wasm2js: unreachability fixes (#2037)

Also test in pass-debug mode, for better coverage.

18 files changed, 2488 insertions, 1898 deletions

diff --git a/check.py b/check.py
index 37840fac0..6896d4d40 100755
--- a/check.py
+++ b/check.py
@@ -27,7 +27,7 @@ from scripts.test.shared import (
     binary_format_check, delete_from_orbit, fail, fail_with_error,
     fail_if_not_identical, fail_if_not_contained, has_vanilla_emcc,
     has_vanilla_llvm, minify_check, options, tests, requested, warnings,
-    has_shell_timeout, fail_if_not_identical_to_file
+    has_shell_timeout, fail_if_not_identical_to_file, with_pass_debug
 )
 
 # For shared.num_failures. Cannot import directly because modifications made in
@@ -42,20 +42,6 @@ if options.interpreter:
   assert os.path.exists(options.interpreter), 'interpreter not found'
 
 
-# run a check with BINARYEN_PASS_DEBUG set, to do full validation
-def with_pass_debug(check):
-  old_pass_debug = os.environ.get('BINARYEN_PASS_DEBUG')
-  try:
-    os.environ['BINARYEN_PASS_DEBUG'] = '1'
-    check()
-  finally:
-    if old_pass_debug is not None:
-      os.environ['BINARYEN_PASS_DEBUG'] = old_pass_debug
-    else:
-      if 'BINARYEN_PASS_DEBUG' in os.environ:
-        del os.environ['BINARYEN_PASS_DEBUG']
-
-
 def run_help_tests():
   print '[ checking --help is useful... ]\n'
 
diff --git a/scripts/test/shared.py b/scripts/test/shared.py
index 14860a74c..8624448d9 100644
--- a/scripts/test/shared.py
+++ b/scripts/test/shared.py
@@ -435,3 +435,17 @@ def minify_check(wast, verify_final_result=True):
 
 def files_with_pattern(*path_pattern):
   return sorted(glob.glob(os.path.join(*path_pattern)))
+
+
+# run a check with BINARYEN_PASS_DEBUG set, to do full validation
+def with_pass_debug(check):
+  old_pass_debug = os.environ.get('BINARYEN_PASS_DEBUG')
+  try:
+    os.environ['BINARYEN_PASS_DEBUG'] = '1'
+    check()
+  finally:
+    if old_pass_debug is not None:
+      os.environ['BINARYEN_PASS_DEBUG'] = old_pass_debug
+    else:
+      if 'BINARYEN_PASS_DEBUG' in os.environ:
+        del os.environ['BINARYEN_PASS_DEBUG']
diff --git a/scripts/test/wasm2js.py b/scripts/test/wasm2js.py
index 1cad83a1b..5b83e1b21 100755
--- a/scripts/test/wasm2js.py
+++ b/scripts/test/wasm2js.py
@@ -19,7 +19,7 @@ import os
 from support import run_command, split_wast
 from shared import (
     WASM2JS, MOZJS, NODEJS, fail_if_not_identical, options, tests,
-    fail_if_not_identical_to_file
+    fail_if_not_identical_to_file, with_pass_debug
 )
 
 # tests with i64s, invokes, etc.
@@ -73,6 +73,8 @@ def test_wasm2js_output():
 
       cmd += ['--allow-asserts']
       out = run_command(cmd)
+      # also verify it passes pass-debug verifications
+      with_pass_debug(lambda: run_command(cmd))
 
       open('a.2asm.asserts.mjs', 'w').write(out)
 
diff --git a/src/passes/I64ToI32Lowering.cpp b/src/passes/I64ToI32Lowering.cpp
index e6dc90607..f16003745 100644
--- a/src/passes/I64ToI32Lowering.cpp
+++ b/src/passes/I64ToI32Lowering.cpp
@@ -223,6 +223,7 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
 
   void visitBlock(Block* curr) {
     if (curr->list.size() == 0) return;
+    if (handleUnreachable(curr)) return;
     if (curr->type == i64) curr->type = i32;
     auto highBitsIt = labelHighBitVars.find(curr->name);
     if (!hasOutParam(curr->list.back())) {
@@ -272,6 +273,7 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
   }
 
   void visitLoop(Loop* curr) {
+    // TODO: in flat IR, no chance for an out param
     assert(labelHighBitVars.find(curr->name) == labelHighBitVars.end());
     if (curr->type != i64) return;
     curr->type = i32;
@@ -279,6 +281,7 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
   }
 
   void visitBreak(Break* curr) {
+    // TODO: in flat IR, no chance for an out param
     if (!hasOutParam(curr->value)) return;
     assert(curr->value != nullptr);
     TempVar valHighBits = fetchOutParam(curr->value);
@@ -301,6 +304,7 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
   }
 
   void visitSwitch(Switch* curr) {
+    // TODO: in flat IR, no chance for an out param
     if (!hasOutParam(curr->value)) return;
     TempVar outParam = fetchOutParam(curr->value);
     TempVar tmp = getTemp();
@@ -478,8 +482,8 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
   }
 
   void visitSetGlobal(SetGlobal* curr) {
-    if (handleUnreachable(curr)) return;
     if (!originallyI64Globals.count(curr->name)) return;
+    if (handleUnreachable(curr)) return;
     TempVar highBits = fetchOutParam(curr->value);
     auto* setHigh = builder->makeSetGlobal(
       makeHighName(curr->name),
@@ -550,6 +554,7 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
       TempVar ptrTemp = getTemp();
       SetLocal* setPtr = builder->makeSetLocal(ptrTemp, curr->ptr);
       curr->ptr = builder->makeGetLocal(ptrTemp, i32);
+      curr->finalize();
       Store* storeHigh = builder->makeStore(
         4,
         curr->offset + 4,
@@ -941,11 +946,7 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
 
   void visitUnary(Unary* curr) {
     if (!unaryNeedsLowering(curr->op)) return;
-    if (curr->type == unreachable || curr->value->type == unreachable) {
-      assert(!hasOutParam(curr->value));
-      replaceCurrent(curr->value);
-      return;
-    }
+    if (handleUnreachable(curr)) return;
     assert(hasOutParam(curr->value) || curr->type == i64 || curr->type == f64);
     switch (curr->op) {
       case ClzInt64:
@@ -1463,25 +1464,8 @@ struct I64ToI32Lowering : public WalkerPass<PostWalker<I64ToI32Lowering>> {
   }
 
   void visitBinary(Binary* curr) {
+    if (handleUnreachable(curr)) return;
     if (!binaryNeedsLowering(curr->op)) return;
-    if (!hasOutParam(curr->left)) {
-      // left unreachable, replace self with left
-      replaceCurrent(curr->left);
-      if (hasOutParam(curr->right)) {
-        // free temp var
-        fetchOutParam(curr->right);
-      }
-      return;
-    }
-    if (!hasOutParam(curr->right)) {
-      // right unreachable, replace self with left then right
-      replaceCurrent(
-        builder->blockify(builder->makeDrop(curr->left), curr->right)
-      );
-      // free temp var
-      fetchOutParam(curr->left);
-      return;
-    }
     // left and right reachable, lower normally
     TempVar leftLow = getTemp();
     TempVar leftHigh = fetchOutParam(curr->left);
@@ -1668,16 +1652,26 @@ private:
 
   // If e.g. a select is unreachable, then one arm may have an out param
   // but not the other. In this case dce should really have been run
-  // before; handle it in a simple way here.
+  // before; handle it in a simple way here by replacing the node with
+  // a block of its children.
+  // This is valid only for nodes that execute their children
+  // unconditionally before themselves, so it is not valid for an if,
+  // in particular.
   bool handleUnreachable(Expression* curr) {
     if (curr->type != unreachable) return false;
     std::vector<Expression*> children;
+    bool hasUnreachable = false;
     for (auto* child : ChildIterator(curr)) {
       if (isConcreteType(child->type)) {
         child = builder->makeDrop(child);
+      } else if (child->type == unreachable) {
+        hasUnreachable = true;
       }
       children.push_back(child);
     }
+    if (!hasUnreachable) return false;
+    // This has an unreachable child, so we can replace it with
+    // the children.
     auto* block = builder->makeBlock(children);
     assert(block->type == unreachable);
     replaceCurrent(block);
diff --git a/test/passes/flatten_i64-to-i32-lowering.txt b/test/passes/flatten_i64-to-i32-lowering.txt
index 7d9ff6835..1db2481c8 100644
--- a/test/passes/flatten_i64-to-i32-lowering.txt
+++ b/test/passes/flatten_i64-to-i32-lowering.txt
@@ -206,7 +206,7 @@
   (local $1 i32)
   (local $1$hi i32)
   (local $i64toi32_i32$0 i32)
-  (block $label$1
+  (block
    (unreachable)
    (unreachable)
   )
@@ -239,3 +239,61 @@
   (nop)
  )
 )
+(module
+ (type $0 (func (param i32 i32)))
+ (type $1 (func))
+ (global $f (mut i32) (i32.const -1412567121))
+ (global $g (mut i32) (global.get $f))
+ (global $f$hi (mut i32) (i32.const 305419896))
+ (global $g$hi (mut i32) (global.get $f$hi))
+ (global $i64toi32_i32$HIGH_BITS (mut i32) (i32.const 0))
+ (export "exp" (func $1))
+ (func $call (; 0 ;) (type $0) (param $0 i32) (param $0$hi i32)
+  (nop)
+ )
+ (func $1 (; 1 ;) (type $1)
+  (local $0 i32)
+  (local $0$hi i32)
+  (local $i64toi32_i32$0 i32)
+  (block
+   (block
+    (local.set $0
+     (block (result i32)
+      (local.set $i64toi32_i32$0
+       (global.get $f$hi)
+      )
+      (global.get $f)
+     )
+    )
+    (local.set $0$hi
+     (local.get $i64toi32_i32$0)
+    )
+   )
+   (call $call
+    (block (result i32)
+     (local.set $i64toi32_i32$0
+      (local.get $0$hi)
+     )
+     (local.get $0)
+    )
+    (local.get $i64toi32_i32$0)
+   )
+   (nop)
+   (block
+    (global.set $f
+     (block (result i32)
+      (local.set $i64toi32_i32$0
+       (i32.const 287454020)
+      )
+      (i32.const 1432778632)
+     )
+    )
+    (global.set $f$hi
+     (local.get $i64toi32_i32$0)
+    )
+   )
+   (nop)
+  )
+  (nop)
+ )
+)
diff --git a/test/passes/flatten_i64-to-i32-lowering.wast b/test/passes/flatten_i64-to-i32-lowering.wast
index 29323d376..2f3bb37ca 100644
--- a/test/passes/flatten_i64-to-i32-lowering.wast
+++ b/test/passes/flatten_i64-to-i32-lowering.wast
@@ -41,3 +41,13 @@
   )
  )
 )
+(module
+ (global $f (mut i64) (i64.const 0x12345678ABCDEFAF))
+ (global $g (mut i64) (global.get $f))
+ (func $call (param i64))
+ (func "exp"
+  (call $call (global.get $f))
+  (global.set $f (i64.const 0x1122334455667788))
+ )
+)
+
diff --git a/test/wasm2js/block.2asm.js b/test/wasm2js/block.2asm.js
index cff354c48..3bb752e61 100644
--- a/test/wasm2js/block.2asm.js
+++ b/test/wasm2js/block.2asm.js
@@ -135,10 +135,8 @@ function asmFunc(global, env, buffer) {
   $0 = 0;
   $1_1 = $0;
   block : {
-   block47 : {
-    $2_1 = 1;
-    break block;
-   }
+   $2_1 = 1;
+   break block;
   }
   $0 = $1_1 + $2_1 | 0;
   $5_1 = $0;
@@ -151,10 +149,8 @@ function asmFunc(global, env, buffer) {
   $0 = $9_1 + $10_1 | 0;
   $13_1 = $0;
   block51 : {
-   block52 : {
-    $14_1 = 8;
-    break block51;
-   }
+   $14_1 = 8;
+   break block51;
   }
   $0 = $13_1 + $14_1 | 0;
   return $0 | 0;
diff --git a/test/wasm2js/br.2asm.js b/test/wasm2js/br.2asm.js
index 1aa2f3edc..83401094a 100644
--- a/test/wasm2js/br.2asm.js
+++ b/test/wasm2js/br.2asm.js
@@ -449,15 +449,14 @@ function asmFunc(global, env, buffer) {
  }
  
  function $47() {
-  var i64toi32_i32$0 = 0, $0 = 0, $0$hi = 0;
+  var $0 = 0, $0$hi = 0, i64toi32_i32$1 = 0;
   block : {
-   i64toi32_i32$0 = 0;
    $0 = 45;
-   $0$hi = i64toi32_i32$0;
+   $0$hi = 0;
    break block;
   }
-  i64toi32_i32$0 = $0$hi;
-  i64toi32_i32$HIGH_BITS = i64toi32_i32$0;
+  i64toi32_i32$1 = $0$hi;
+  i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
   return $0 | 0;
  }
  
@@ -519,10 +518,8 @@ function asmFunc(global, env, buffer) {
  function $54() {
   var $0 = 0;
   block : {
-   block0 : {
-    $0 = 8;
-    break block;
-   }
+   $0 = 8;
+   break block;
   }
   return 1 + $0 | 0 | 0;
  }
diff --git a/test/wasm2js/br_table.2asm.js b/test/wasm2js/br_table.2asm.js
index bd66eb523..849d11945 100644
--- a/test/wasm2js/br_table.2asm.js
+++ b/test/wasm2js/br_table.2asm.js
@@ -49973,7 +49973,7 @@ function asmFunc(global, env, buffer) {
  }
  
  function $54() {
-  var i64toi32_i32$0 = 0, $1_1 = 0, $1$hi = 0;
+  var i64toi32_i32$0 = 0, $1_1 = 0, $1$hi = 0, i64toi32_i32$1 = 0;
   block : {
    i64toi32_i32$0 = 0;
    $1_1 = 45;
@@ -49983,8 +49983,8 @@ function asmFunc(global, env, buffer) {
     break block;
    };
   }
-  i64toi32_i32$0 = $1$hi;
-  i64toi32_i32$HIGH_BITS = i64toi32_i32$0;
+  i64toi32_i32$1 = $1$hi;
+  i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
   return $1_1 | 0;
  }
  
diff --git a/test/wasm2js/br_table_temp.2asm.js b/test/wasm2js/br_table_temp.2asm.js
index e6e397f01..a5f423d22 100644
--- a/test/wasm2js/br_table_temp.2asm.js
+++ b/test/wasm2js/br_table_temp.2asm.js
@@ -49977,7 +49977,6 @@ function asmFunc(global, env, buffer) {
     break block;
    };
   }
-  i64toi32_i32$0 = $1$hi;
   return $1_1 | 0;
  }
  
diff --git a/test/wasm2js/i64.2asm.js b/test/wasm2js/i64.2asm.js
index 73a67a79a..a92057d30 100644
--- a/test/wasm2js/i64.2asm.js
+++ b/test/wasm2js/i64.2asm.js
@@ -3094,141 +3094,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -3347,7 +3345,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
diff --git a/test/wasm2js/int_exprs.2asm.js b/test/wasm2js/int_exprs.2asm.js
index ee8b7da4d..09dd71093 100644
--- a/test/wasm2js/int_exprs.2asm.js
+++ b/test/wasm2js/int_exprs.2asm.js
@@ -1368,141 +1368,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
-             {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
+            i64toi32_i32$1 = 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
            }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -1621,7 +1619,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -2311,141 +2309,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
+            i64toi32_i32$1 = 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
            }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -2564,7 +2560,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -3110,141 +3106,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
-             {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
            }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -3363,7 +3357,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -3888,141 +3882,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
-             {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
            }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -4141,7 +4133,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -4707,141 +4699,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -4960,7 +4950,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -5544,141 +5534,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
+            i64toi32_i32$1 = 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
            }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -5797,7 +5785,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -6381,141 +6369,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
+            i64toi32_i32$1 = 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
            }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -6634,7 +6620,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -7218,141 +7204,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
            }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
+           }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -7471,7 +7455,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -8070,141 +8054,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
-             {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -8323,7 +8305,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -8924,141 +8906,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
+            i64toi32_i32$1 = 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -9177,7 +9157,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -9778,141 +9758,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -10031,7 +10009,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
diff --git a/test/wasm2js/left-to-right.2asm.js b/test/wasm2js/left-to-right.2asm.js
index 490293751..2b669abf7 100644
--- a/test/wasm2js/left-to-right.2asm.js
+++ b/test/wasm2js/left-to-right.2asm.js
@@ -1772,141 +1772,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37_1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37_1;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38_1;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39_1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37_1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39_1;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37_1;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40_1 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40_1 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38_1;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65_1 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40_1;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65_1;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39_1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39_1;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40_1 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40_1 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65_1 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40_1;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65_1;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -2025,7 +2023,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
diff --git a/test/wasm2js/loop.2asm.js b/test/wasm2js/loop.2asm.js
index 84646905b..eb891c8b4 100644
--- a/test/wasm2js/loop.2asm.js
+++ b/test/wasm2js/loop.2asm.js
@@ -293,10 +293,8 @@ function asmFunc(global, env, buffer) {
   $1_1 = $0;
   block : {
    loop_in : do {
-    block54 : {
-     $2_1 = 1;
-     break block;
-    }
+    $2_1 = 1;
+    break block;
     break loop_in;
    } while (1);
   }
@@ -351,7 +349,7 @@ function asmFunc(global, env, buffer) {
  }
  
  function $14() {
-  var $0 = 0, $1_1 = 0, $6_1 = 0, $2_1 = 0, $7_1 = 0, $3_1 = 0, $8_1 = 0, $5_1 = 0, wasm2js_i32$0 = 0;
+  var $0 = 0, $1_1 = 0, $2_1 = 0, $3_1 = 0, $5_1 = 0, wasm2js_i32$0 = 0;
   $0 = 0;
   $1_1 = $0;
   loop_in : do {
diff --git a/test/wasm2js/traps.2asm.js b/test/wasm2js/traps.2asm.js
index 85b1c6a3f..4dd6c2536 100644
--- a/test/wasm2js/traps.2asm.js
+++ b/test/wasm2js/traps.2asm.js
@@ -416,141 +416,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -669,7 +667,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
@@ -1344,141 +1342,139 @@ function asmFunc(global, env, buffer) {
         label$7 : {
          label$8 : {
           label$9 : {
-           label$10 : {
-            label$11 : {
-             i64toi32_i32$0 = var$0$hi;
-             i64toi32_i32$2 = var$0;
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$3 = 32;
-             i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-             if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-              {
-               i64toi32_i32$1 = 0;
-               $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-              }
-             } else {
-              {
-               i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
-               $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
-              }
-             }
-             var$2 = $37;
-             if (var$2) {
-              block : {
-               i64toi32_i32$1 = var$1$hi;
-               var$3 = var$1;
-               if ((var$3 | 0) == (0 | 0)) {
-                break label$11
-               }
-               i64toi32_i32$1 = var$1$hi;
-               i64toi32_i32$0 = var$1;
-               i64toi32_i32$2 = 0;
-               i64toi32_i32$3 = 32;
-               i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
-               if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
-                {
-                 i64toi32_i32$2 = 0;
-                 $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                }
-               } else {
-                {
-                 i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
-                 $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
-                }
-               }
-               var$4 = $38;
-               if ((var$4 | 0) == (0 | 0)) {
-                break label$9
-               }
-               var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
-               if (var$2 >>> 0 <= 31 >>> 0) {
-                break label$8
-               }
-               break label$2;
-              }
-             }
-             i64toi32_i32$2 = var$1$hi;
-             i64toi32_i32$1 = var$1;
-             i64toi32_i32$0 = 1;
-             i64toi32_i32$3 = 0;
-             if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
-              break label$2
-             }
-             i64toi32_i32$1 = var$0$hi;
-             var$2 = var$0;
-             i64toi32_i32$1 = var$1$hi;
-             var$3 = var$1;
-             var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
-             i64toi32_i32$1 = 0;
-             legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
-             i64toi32_i32$1 = 0;
-             i64toi32_i32$2 = var$2;
-             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-             return i64toi32_i32$2 | 0;
-            }
-            i64toi32_i32$2 = var$1$hi;
-            i64toi32_i32$3 = var$1;
+           label$11 : {
+            i64toi32_i32$0 = var$0$hi;
+            i64toi32_i32$2 = var$0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            i64toi32_i32$3 = 32;
+            i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+            if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
              {
               i64toi32_i32$1 = 0;
-              $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+              $37 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
              }
             } else {
              {
-              i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
-              $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+              i64toi32_i32$1 = i64toi32_i32$0 >>> i64toi32_i32$4 | 0;
+              $37 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$0 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
              }
             }
-            var$3 = $39;
-            i64toi32_i32$1 = var$0$hi;
-            if ((var$0 | 0) == (0 | 0)) {
-             break label$7
-            }
-            if ((var$3 | 0) == (0 | 0)) {
-             break label$6
-            }
-            var$4 = var$3 + 4294967295 | 0;
-            if (var$4 & var$3 | 0) {
-             break label$6
-            }
-            i64toi32_i32$1 = 0;
-            i64toi32_i32$2 = var$4 & var$2 | 0;
-            i64toi32_i32$3 = 0;
-            i64toi32_i32$0 = 32;
-            i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
-            if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            var$2 = $37;
+            if (var$2) {
              {
-              i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
-              $40 = 0;
-             }
-            } else {
-             {
-              i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
-              $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+              i64toi32_i32$1 = var$1$hi;
+              var$3 = var$1;
+              if ((var$3 | 0) == (0 | 0)) {
+               break label$11
+              }
+              i64toi32_i32$1 = var$1$hi;
+              i64toi32_i32$0 = var$1;
+              i64toi32_i32$2 = 0;
+              i64toi32_i32$3 = 32;
+              i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+              if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+               {
+                i64toi32_i32$2 = 0;
+                $38 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+               }
+              } else {
+               {
+                i64toi32_i32$2 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+                $38 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$0 >>> i64toi32_i32$4 | 0) | 0;
+               }
+              }
+              var$4 = $38;
+              if ((var$4 | 0) == (0 | 0)) {
+               break label$9
+              }
+              var$2 = Math_clz32(var$4) - Math_clz32(var$2) | 0;
+              if (var$2 >>> 0 <= 31 >>> 0) {
+               break label$8
+              }
+              break label$2;
              }
             }
-            $63$hi = i64toi32_i32$3;
-            i64toi32_i32$3 = var$0$hi;
-            i64toi32_i32$1 = var$0;
-            i64toi32_i32$2 = 0;
-            i64toi32_i32$0 = 4294967295;
-            i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
-            $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
-            $65$hi = i64toi32_i32$2;
-            i64toi32_i32$2 = $63$hi;
-            i64toi32_i32$3 = $40;
-            i64toi32_i32$1 = $65$hi;
-            i64toi32_i32$0 = $65;
-            i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
-            legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$2 = var$1$hi;
+            i64toi32_i32$1 = var$1;
+            i64toi32_i32$0 = 1;
+            i64toi32_i32$3 = 0;
+            if (i64toi32_i32$2 >>> 0 > i64toi32_i32$0 >>> 0 | ((i64toi32_i32$2 | 0) == (i64toi32_i32$0 | 0) & i64toi32_i32$1 >>> 0 >= i64toi32_i32$3 >>> 0 | 0) | 0) {
+             break label$2
+            }
+            i64toi32_i32$1 = var$0$hi;
+            var$2 = var$0;
+            i64toi32_i32$1 = var$1$hi;
+            var$3 = var$1;
+            var$2 = (var$2 >>> 0) / (var$3 >>> 0) | 0;
             i64toi32_i32$1 = 0;
-            i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+            legalfunc$wasm2js_scratch_store_i64(var$0 - Math_imul(var$2, var$3) | 0 | 0, i64toi32_i32$1 | 0);
+            i64toi32_i32$1 = 0;
+            i64toi32_i32$2 = var$2;
             i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
-            return i64toi32_i32$3 | 0;
+            return i64toi32_i32$2 | 0;
+           }
+           i64toi32_i32$2 = var$1$hi;
+           i64toi32_i32$3 = var$1;
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$1 = 0;
+             $39 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+            }
+           } else {
+            {
+             i64toi32_i32$1 = i64toi32_i32$2 >>> i64toi32_i32$4 | 0;
+             $39 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$2 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$3 >>> i64toi32_i32$4 | 0) | 0;
+            }
+           }
+           var$3 = $39;
+           i64toi32_i32$1 = var$0$hi;
+           if ((var$0 | 0) == (0 | 0)) {
+            break label$7
+           }
+           if ((var$3 | 0) == (0 | 0)) {
+            break label$6
+           }
+           var$4 = var$3 + 4294967295 | 0;
+           if (var$4 & var$3 | 0) {
+            break label$6
+           }
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$2 = var$4 & var$2 | 0;
+           i64toi32_i32$3 = 0;
+           i64toi32_i32$0 = 32;
+           i64toi32_i32$4 = i64toi32_i32$0 & 31 | 0;
+           if (32 >>> 0 <= (i64toi32_i32$0 & 63 | 0) >>> 0) {
+            {
+             i64toi32_i32$3 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+             $40 = 0;
+            }
+           } else {
+            {
+             i64toi32_i32$3 = ((1 << i64toi32_i32$4 | 0) - 1 | 0) & (i64toi32_i32$2 >>> (32 - i64toi32_i32$4 | 0) | 0) | 0 | (i64toi32_i32$1 << i64toi32_i32$4 | 0) | 0;
+             $40 = i64toi32_i32$2 << i64toi32_i32$4 | 0;
+            }
            }
+           $63$hi = i64toi32_i32$3;
+           i64toi32_i32$3 = var$0$hi;
+           i64toi32_i32$1 = var$0;
+           i64toi32_i32$2 = 0;
+           i64toi32_i32$0 = 4294967295;
+           i64toi32_i32$2 = i64toi32_i32$3 & i64toi32_i32$2 | 0;
+           $65 = i64toi32_i32$1 & i64toi32_i32$0 | 0;
+           $65$hi = i64toi32_i32$2;
+           i64toi32_i32$2 = $63$hi;
+           i64toi32_i32$3 = $40;
+           i64toi32_i32$1 = $65$hi;
+           i64toi32_i32$0 = $65;
+           i64toi32_i32$1 = i64toi32_i32$2 | i64toi32_i32$1 | 0;
+           legalfunc$wasm2js_scratch_store_i64(i64toi32_i32$3 | i64toi32_i32$0 | 0 | 0, i64toi32_i32$1 | 0);
+           i64toi32_i32$1 = 0;
+           i64toi32_i32$3 = var$2 >>> ((__wasm_ctz_i32(var$3 | 0) | 0) & 31 | 0) | 0;
+           i64toi32_i32$HIGH_BITS = i64toi32_i32$1;
+           return i64toi32_i32$3 | 0;
           }
           var$4 = var$3 + 4294967295 | 0;
           if ((var$4 & var$3 | 0 | 0) == (0 | 0)) {
@@ -1597,7 +1593,7 @@ function asmFunc(global, env, buffer) {
     var$0$hi = i64toi32_i32$2;
     label$13 : {
      if (var$2) {
-      block3 : {
+      {
        i64toi32_i32$2 = var$1$hi;
        i64toi32_i32$1 = var$1;
        i64toi32_i32$3 = 4294967295;
diff --git a/test/wasm2js/unreachable-insts.2asm.js b/test/wasm2js/unreachable-insts.2asm.js
new file mode 100644
index 000000000..a88a82e9e
--- /dev/null
+++ b/test/wasm2js/unreachable-insts.2asm.js
@@ -0,0 +1,31 @@
+
+function asmFunc(global, env, buffer) {
+ "almost asm";
+ var HEAP8 = new global.Int8Array(buffer);
+ var HEAP16 = new global.Int16Array(buffer);
+ var HEAP32 = new global.Int32Array(buffer);
+ var HEAPU8 = new global.Uint8Array(buffer);
+ var HEAPU16 = new global.Uint16Array(buffer);
+ var HEAPU32 = new global.Uint32Array(buffer);
+ var HEAPF32 = new global.Float32Array(buffer);
+ var HEAPF64 = new global.Float64Array(buffer);
+ var Math_imul = global.Math.imul;
+ var Math_fround = global.Math.fround;
+ var Math_abs = global.Math.abs;
+ var Math_clz32 = global.Math.clz32;
+ var Math_min = global.Math.min;
+ var Math_max = global.Math.max;
+ var Math_floor = global.Math.floor;
+ var Math_ceil = global.Math.ceil;
+ var Math_sqrt = global.Math.sqrt;
+ var abort = env.abort;
+ var nan = global.NaN;
+ var infinity = global.Infinity;
+ var FUNCTION_TABLE = [];
+ return {
+  
+ };
+}
+
+const memasmFunc = new ArrayBuffer(65536);
+const retasmFunc = asmFunc({Math,Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array,NaN,Infinity}, {abort:function() { throw new Error('abort'); }},memasmFunc);
diff --git a/test/wasm2js/unreachable-insts.wast b/test/wasm2js/unreachable-insts.wast
new file mode 100644
index 000000000..1e3d31439
--- /dev/null
+++ b/test/wasm2js/unreachable-insts.wast
@@ -0,0 +1,13 @@
+(module
+ (type $0 (func (param f64 f64 f32)))
+ (memory $0 1 1)
+ (func $0 (; 0 ;) (type $0) (param $0 f64) (param $1 f64) (param $2 f32)
+  (f64.store offset=22 align=1
+   (block $label$1 (result i32)
+    (unreachable)
+   )
+   (f64.const 1)
+  )
+ )
+)
+
diff --git a/test/wasm2js/unreachable.2asm.js b/test/wasm2js/unreachable.2asm.js
new file mode 100644
index 000000000..0f4aef7a6
--- /dev/null
+++ b/test/wasm2js/unreachable.2asm.js
@@ -0,0 +1,522 @@
+import { setTempRet0 } from 'env';
+
+function asmFunc(global, env, buffer) {
+ "almost asm";
+ var HEAP8 = new global.Int8Array(buffer);
+ var HEAP16 = new global.Int16Array(buffer);
+ var HEAP32 = new global.Int32Array(buffer);
+ var HEAPU8 = new global.Uint8Array(buffer);
+ var HEAPU16 = new global.Uint16Array(buffer);
+ var HEAPU32 = new global.Uint32Array(buffer);
+ var HEAPF32 = new global.Float32Array(buffer);
+ var HEAPF64 = new global.Float64Array(buffer);
+ var Math_imul = global.Math.imul;
+ var Math_fround = global.Math.fround;
+ var Math_abs = global.Math.abs;
+ var Math_clz32 = global.Math.clz32;
+ var Math_min = global.Math.min;
+ var Math_max = global.Math.max;
+ var Math_floor = global.Math.floor;
+ var Math_ceil = global.Math.ceil;
+ var Math_sqrt = global.Math.sqrt;
+ var abort = env.abort;
+ var nan = global.NaN;
+ var infinity = global.Infinity;
+ var setTempRet0 = env.setTempRet0;
+ var i64toi32_i32$HIGH_BITS = 0;
+ function dummy() {
+  
+ }
+ 
+ function dummy3($0, $1, $2_1) {
+  $0 = $0 | 0;
+  $1 = $1 | 0;
+  $2_1 = $2_1 | 0;
+ }
+ 
+ function $2() {
+  return abort() | 0;
+ }
+ 
+ function $3() {
+  return abort() | 0;
+ }
+ 
+ function $4() {
+  return +abort();
+ }
+ 
+ function $5() {
+  return +abort();
+ }
+ 
+ function $6() {
+  var $0 = 0;
+  return abort() | 0;
+ }
+ 
+ function $7() {
+  var $0 = 0, wasm2js_i32$0 = 0;
+  dummy();
+  wasm2js_i32$0 = abort();
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $8() {
+  dummy();
+  abort();
+ }
+ 
+ function $9() {
+  var wasm2js_i32$0 = 0;
+  dummy();
+  wasm2js_i32$0 = abort();
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $10() {
+  var $0 = 0;
+  return abort() | 0;
+ }
+ 
+ function $11() {
+  var $0 = 0, wasm2js_i32$0 = 0;
+  dummy();
+  wasm2js_i32$0 = abort();
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $12() {
+  dummy();
+  abort();
+ }
+ 
+ function $13() {
+  var wasm2js_i32$0 = 0;
+  dummy();
+  wasm2js_i32$0 = abort();
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $14() {
+  var $0 = 0;
+  block : {
+   dummy();
+   $0 = 1;
+   break block;
+  }
+  return $0 | 0;
+ }
+ 
+ function $15() {
+  var $0 = 0, $2_1 = 0, wasm2js_i32$0 = 0;
+  loop_in : do {
+   abort();
+   break loop_in;
+  } while (1);
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $16() {
+  var $0 = 0, $2_1 = 0, wasm2js_i32$0 = 0;
+  loop_in : do {
+   dummy();
+   wasm2js_i32$0 = abort();
+   break loop_in;
+  } while (1);
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $17() {
+  loop_in : do {
+   dummy();
+   abort();
+   break loop_in;
+  } while (1);
+ }
+ 
+ function $18() {
+  var $0 = 0;
+  block : {
+   loop_in : do {
+    dummy();
+    $0 = 1;
+    break block;
+    break loop_in;
+   } while (1);
+  }
+  return $0 | 0;
+ }
+ 
+ function $19() {
+  return abort() | 0;
+ }
+ 
+ function $20() {
+  abort();
+ }
+ 
+ function $21() {
+  var $0 = 0;
+  return abort() | 0;
+ }
+ 
+ function $22() {
+  var $0 = 0;
+  return abort() | 0;
+ }
+ 
+ function $23() {
+  abort();
+ }
+ 
+ function $24() {
+  var $0 = 0;
+  return abort() | 0;
+ }
+ 
+ function $25() {
+  var $1 = 0;
+  return abort() | 0;
+ }
+ 
+ function $26() {
+  return abort() | 0;
+ }
+ 
+ function $27() {
+  var $0 = 0;
+  return abort() | 0;
+ }
+ 
+ function $28($0, $1) {
+  $0 = $0 | 0;
+  $1 = $1 | 0;
+  var $4_1 = 0;
+  if ($0) {
+   abort()
+  } else {
+   $4_1 = $1
+  }
+  return $4_1 | 0;
+ }
+ 
+ function $29($0, $1) {
+  $0 = $0 | 0;
+  $1 = $1 | 0;
+  var $4_1 = 0;
+  if ($0) {
+   $4_1 = $1
+  } else {
+   abort()
+  }
+  return $4_1 | 0;
+ }
+ 
+ function $30($0, $1) {
+  $0 = $0 | 0;
+  $1 = $1 | 0;
+  var $2_1 = 0, $3_1 = 0;
+  return abort() | 0;
+ }
+ 
+ function $31($0, $1) {
+  $0 = $0 | 0;
+  $1 = $1 | 0;
+  var $2_1 = 0, $3_1 = 0, wasm2js_i32$0 = 0;
+  $2_1 = $0;
+  wasm2js_i32$0 = abort();
+  return wasm2js_i32$0 | 0;
+ }
+ 
+ function $32() {
+  return abort() | 0;
+ }
+ 
+ function $33() {
+  abort();
+ }
+ 
+ function $34() {
+  abort();
+ }
+ 
+ function $35() {
+  abort();
+ }
+ 
+ function $36() {
+  abort();
+ }
+ 
+ function $37() {
+  abort();
+ }
+ 
+ function $38() {
+  abort();
+ }
+ 
+ function $39() {
+  abort();
+ }
+ 
+ function $40() {
+  abort();
+ }
+ 
+ function $41() {
+  return Math_fround(abort());
+ }
+ 
+ function $42() {
+  return abort() | 0;
+ }
+ 
+ function $43() {
+  abort();
+ }
+ 
+ function $44() {
+  abort();
+ }
+ 
+ function $45() {
+  abort();
+ }
+ 
+ function $46() {
+  abort();
+ }
+ 
+ function $47() {
+  return Math_fround(abort());
+ }
+ 
+ function $48() {
+  return abort() | 0;
+ }
+ 
+ function $49() {
+  return abort() | 0;
+ }
+ 
+ function $50() {
+  return abort() | 0;
+ }
+ 
+ function $51() {
+  return abort() | 0;
+ }
+ 
+ function $52() {
+  return abort() | 0;
+ }
+ 
+ function $53() {
+  return abort() | 0;
+ }
+ 
+ function $54() {
+  return abort() | 0;
+ }
+ 
+ function legalstub$26() {
+  var i64toi32_i32$0 = 0, i64toi32_i32$4 = 0, i64toi32_i32$1 = 0, i64toi32_i32$3 = 0, $7_1 = 0, $0 = 0, $0$hi = 0, i64toi32_i32$2 = 0;
+  i64toi32_i32$0 = $26() | 0;
+  i64toi32_i32$1 = i64toi32_i32$HIGH_BITS;
+  $0 = i64toi32_i32$0;
+  $0$hi = i64toi32_i32$1;
+  i64toi32_i32$2 = i64toi32_i32$0;
+  i64toi32_i32$0 = 0;
+  i64toi32_i32$3 = 32;
+  i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+  if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+   {
+    i64toi32_i32$0 = 0;
+    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   }
+  } else {
+   {
+    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
+   }
+  }
+  setTempRet0($7_1 | 0);
+  i64toi32_i32$0 = $0$hi;
+  return $0 | 0;
+ }
+ 
+ function legalstub$41() {
+  return +(+Math_fround($41()));
+ }
+ 
+ function legalstub$42() {
+  var i64toi32_i32$0 = 0, i64toi32_i32$4 = 0, i64toi32_i32$1 = 0, i64toi32_i32$3 = 0, $7_1 = 0, $0 = 0, $0$hi = 0, i64toi32_i32$2 = 0;
+  i64toi32_i32$0 = $42() | 0;
+  i64toi32_i32$1 = i64toi32_i32$HIGH_BITS;
+  $0 = i64toi32_i32$0;
+  $0$hi = i64toi32_i32$1;
+  i64toi32_i32$2 = i64toi32_i32$0;
+  i64toi32_i32$0 = 0;
+  i64toi32_i32$3 = 32;
+  i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+  if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+   {
+    i64toi32_i32$0 = 0;
+    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   }
+  } else {
+   {
+    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
+   }
+  }
+  setTempRet0($7_1 | 0);
+  i64toi32_i32$0 = $0$hi;
+  return $0 | 0;
+ }
+ 
+ function legalstub$47() {
+  return +(+Math_fround($47()));
+ }
+ 
+ function legalstub$49() {
+  var i64toi32_i32$0 = 0, i64toi32_i32$4 = 0, i64toi32_i32$1 = 0, i64toi32_i32$3 = 0, $7_1 = 0, $0 = 0, $0$hi = 0, i64toi32_i32$2 = 0;
+  i64toi32_i32$0 = $49() | 0;
+  i64toi32_i32$1 = i64toi32_i32$HIGH_BITS;
+  $0 = i64toi32_i32$0;
+  $0$hi = i64toi32_i32$1;
+  i64toi32_i32$2 = i64toi32_i32$0;
+  i64toi32_i32$0 = 0;
+  i64toi32_i32$3 = 32;
+  i64toi32_i32$4 = i64toi32_i32$3 & 31 | 0;
+  if (32 >>> 0 <= (i64toi32_i32$3 & 63 | 0) >>> 0) {
+   {
+    i64toi32_i32$0 = 0;
+    $7_1 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+   }
+  } else {
+   {
+    i64toi32_i32$0 = i64toi32_i32$1 >>> i64toi32_i32$4 | 0;
+    $7_1 = (((1 << i64toi32_i32$4 | 0) - 1 | 0) & i64toi32_i32$1 | 0) << (32 - i64toi32_i32$4 | 0) | 0 | (i64toi32_i32$2 >>> i64toi32_i32$4 | 0) | 0;
+   }
+  }
+  setTempRet0($7_1 | 0);
+  i64toi32_i32$0 = $0$hi;
+  return $0 | 0;
+ }
+ 
+ var FUNCTION_TABLE = [];
+ return {
+  type_i32: $2, 
+  type_i64: $3, 
+  type_f32: $4, 
+  type_f64: $5, 
+  as_func_first: $6, 
+  as_func_mid: $7, 
+  as_func_last: $8, 
+  as_func_value: $9, 
+  as_block_first: $10, 
+  as_block_mid: $11, 
+  as_block_last: $12, 
+  as_block_value: $13, 
+  as_block_broke: $14, 
+  as_loop_first: $15, 
+  as_loop_mid: $16, 
+  as_loop_last: $17, 
+  as_loop_broke: $18, 
+  as_br_value: $19, 
+  as_br_if_cond: $20, 
+  as_br_if_value: $21, 
+  as_br_if_value_cond: $22, 
+  as_br_table_index: $23, 
+  as_br_table_value: $24, 
+  as_br_table_value_index: $25, 
+  as_return_value: legalstub$26, 
+  as_if_cond: $27, 
+  as_if_then: $28, 
+  as_if_else: $29, 
+  as_select_first: $30, 
+  as_select_second: $31, 
+  as_select_cond: $32, 
+  as_call_first: $33, 
+  as_call_mid: $34, 
+  as_call_last: $35, 
+  as_call_indirect_func: $36, 
+  as_call_indirect_first: $37, 
+  as_call_indirect_mid: $38, 
+  as_call_indirect_last: $39, 
+  as_local_set_value: $40, 
+  as_load_address: legalstub$41, 
+  as_loadN_address: legalstub$42, 
+  as_store_address: $43, 
+  as_store_value: $44, 
+  as_storeN_address: $45, 
+  as_storeN_value: $46, 
+  as_unary_operand: legalstub$47, 
+  as_binary_left: $48, 
+  as_binary_right: legalstub$49, 
+  as_test_operand: $50, 
+  as_compare_left: $51, 
+  as_compare_right: $52, 
+  as_convert_operand: $53, 
+  as_grow_memory_size: $54
+ };
+}
+
+const memasmFunc = new ArrayBuffer(65536);
+const retasmFunc = asmFunc({Math,Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array,NaN,Infinity}, {abort:function() { throw new Error('abort'); },setTempRet0},memasmFunc);
+export const type_i32 = retasmFunc.type_i32;
+export const type_i64 = retasmFunc.type_i64;
+export const type_f32 = retasmFunc.type_f32;
+export const type_f64 = retasmFunc.type_f64;
+export const as_func_first = retasmFunc.as_func_first;
+export const as_func_mid = retasmFunc.as_func_mid;
+export const as_func_last = retasmFunc.as_func_last;
+export const as_func_value = retasmFunc.as_func_value;
+export const as_block_first = retasmFunc.as_block_first;
+export const as_block_mid = retasmFunc.as_block_mid;
+export const as_block_last = retasmFunc.as_block_last;
+export const as_block_value = retasmFunc.as_block_value;
+export const as_block_broke = retasmFunc.as_block_broke;
+export const as_loop_first = retasmFunc.as_loop_first;
+export const as_loop_mid = retasmFunc.as_loop_mid;
+export const as_loop_last = retasmFunc.as_loop_last;
+export const as_loop_broke = retasmFunc.as_loop_broke;
+export const as_br_value = retasmFunc.as_br_value;
+export const as_br_if_cond = retasmFunc.as_br_if_cond;
+export const as_br_if_value = retasmFunc.as_br_if_value;
+export const as_br_if_value_cond = retasmFunc.as_br_if_value_cond;
+export const as_br_table_index = retasmFunc.as_br_table_index;
+export const as_br_table_value = retasmFunc.as_br_table_value;
+export const as_br_table_value_index = retasmFunc.as_br_table_value_index;
+export const as_return_value = retasmFunc.as_return_value;
+export const as_if_cond = retasmFunc.as_if_cond;
+export const as_if_then = retasmFunc.as_if_then;
+export const as_if_else = retasmFunc.as_if_else;
+export const as_select_first = retasmFunc.as_select_first;
+export const as_select_second = retasmFunc.as_select_second;
+export const as_select_cond = retasmFunc.as_select_cond;
+export const as_call_first = retasmFunc.as_call_first;
+export const as_call_mid = retasmFunc.as_call_mid;
+export const as_call_last = retasmFunc.as_call_last;
+export const as_call_indirect_func = retasmFunc.as_call_indirect_func;
+export const as_call_indirect_first = retasmFunc.as_call_indirect_first;
+export const as_call_indirect_mid = retasmFunc.as_call_indirect_mid;
+export const as_call_indirect_last = retasmFunc.as_call_indirect_last;
+export const as_local_set_value = retasmFunc.as_local_set_value;
+export const as_load_address = retasmFunc.as_load_address;
+export const as_loadN_address = retasmFunc.as_loadN_address;
+export const as_store_address = retasmFunc.as_store_address;
+export const as_store_value = retasmFunc.as_store_value;
+export const as_storeN_address = retasmFunc.as_storeN_address;
+export const as_storeN_value = retasmFunc.as_storeN_value;
+export const as_unary_operand = retasmFunc.as_unary_operand;
+export const as_binary_left = retasmFunc.as_binary_left;
+export const as_binary_right = retasmFunc.as_binary_right;
+export const as_test_operand = retasmFunc.as_test_operand;
+export const as_compare_left = retasmFunc.as_compare_left;
+export const as_compare_right = retasmFunc.as_compare_right;
+export const as_convert_operand = retasmFunc.as_convert_operand;
+export const as_grow_memory_size = retasmFunc.as_grow_memory_size;