wasm2js: start to optionally optimize the JS (#2046)

Removes redundant | 0s and similar things. (Apparently closure compiler doesn't do that, so makes sense to do here.)

1 files changed, 8 insertions, 8 deletions

diff --git a/test/wasm2js/labels.2asm.js b/test/wasm2js/labels.2asm.js
index 3c9618588..1e384a69d 100644
--- a/test/wasm2js/labels.2asm.js
+++ b/test/wasm2js/labels.2asm.js
@@ -111,7 +111,7 @@ function asmFunc(global, env, buffer) {
  function $5() {
   var $0_1 = 0;
   $0_1 = 1;
-  return $0_1 + 1 | 0 | 0;
+  return $0_1 + 1 | 0;
  }
  
  function $6() {
@@ -228,24 +228,24 @@ function asmFunc(global, env, buffer) {
     if (0) {
      break inner
     }
-    i = i | 1 | 0;
+    i = i | 1;
     if (1) {
      break inner
     }
-    i = i | 2 | 0;
+    i = i | 2;
    }
-   i = i | 4 | 0;
+   i = i | 4;
    $10_1 = i;
    if (0) {
     break outer
    }
-   i = i | 8 | 0;
-   i = i | 16 | 0;
+   i = i | 8;
+   i = i | 16;
    $10_1 = i;
    if (1) {
     break outer
    }
-   i = i | 32 | 0;
+   i = i | 32;
    $10_1 = i;
   }
   return $10_1 | 0;
@@ -324,7 +324,7 @@ function asmFunc(global, env, buffer) {
    $2_2 = 3;
    break l113;
   }
-  return $1_2 + $2_2 | 0 | 0;
+  return $1_2 + $2_2 | 0;
  }
  
  var FUNCTION_TABLE = [];