wasm2js: avoid some slow operations when not optimizing (#2082)

Without this PR, wasm2js0.test_printf in emscripten took an extremely long time to compile.

1 files changed, 26 insertions, 14 deletions

diff --git a/test/wasm2js/unreachable.2asm.js b/test/wasm2js/unreachable.2asm.js
index bc067e9ce..47a5ff4da 100644
--- a/test/wasm2js/unreachable.2asm.js
+++ b/test/wasm2js/unreachable.2asm.js
@@ -78,18 +78,24 @@ function asmFunc(global, env, buffer) {
  
  function $11() {
   var $0 = 0;
-  dummy();
-  abort();
+  block : {
+   dummy();
+   abort();
+  }
  }
  
  function $12() {
-  dummy();
-  abort();
+  block : {
+   dummy();
+   abort();
+  }
  }
  
  function $13() {
-  dummy();
-  abort();
+  block : {
+   dummy();
+   abort();
+  }
  }
  
  function $14() {
@@ -104,26 +110,32 @@ function asmFunc(global, env, buffer) {
  
  function $15() {
   var $0 = 0, $2_1 = 0;
-  abort();
+  loop_in : while (1) abort();
  }
  
  function $16() {
   var $0 = 0, $2_1 = 0;
-  dummy();
-  abort();
+  loop_in : while (1) {
+   dummy();
+   abort();
+  };
  }
  
  function $17() {
-  dummy();
-  abort();
+  loop_in : while (1) {
+   dummy();
+   abort();
+  };
  }
  
  function $18() {
   var $0 = 0;
   block : {
-   dummy();
-   $0 = 1;
-   break block;
+   loop_in : while (1) {
+    dummy();
+    $0 = 1;
+    break block;
+   };
   }
   return $0 | 0;
  }