wasm2js: Support for exported memory (#3323)

The asmFunc now sets the outer scope's `bufferView` variable
as well as its own internal views.

1 files changed, 4 insertions, 3 deletions

diff --git a/test/wasm2js/minified-memory.2asm.js b/test/wasm2js/minified-memory.2asm.js
index 6c153b656..bfb5fb75c 100644
--- a/test/wasm2js/minified-memory.2asm.js
+++ b/test/wasm2js/minified-memory.2asm.js
@@ -11,6 +11,7 @@ function asmFunc(env) {
  var HEAPU32 = new Uint32Array(buffer);
  var HEAPF32 = new Float32Array(buffer);
  var HEAPF64 = new Float64Array(buffer);
+ bufferView = HEAPU8;
  var Math_imul = Math.imul;
  var Math_fround = Math.fround;
  var Math_abs = Math.abs;
@@ -40,7 +41,6 @@ function asmFunc(env) {
    var newBuffer = new ArrayBuffer(Math_imul(newPages, 65536));
    var newHEAP8 = new Int8Array(newBuffer);
    newHEAP8.set(HEAP8);
-   HEAP8 = newHEAP8;
    HEAP8 = new Int8Array(newBuffer);
    HEAP16 = new Int16Array(newBuffer);
    HEAP32 = new Int32Array(newBuffer);
@@ -50,7 +50,8 @@ function asmFunc(env) {
    HEAPF32 = new Float32Array(newBuffer);
    HEAPF64 = new Float64Array(newBuffer);
    buffer = newBuffer;
-   memory.buffer = newBuffer;
+   memory.buffer = buffer;
+   bufferView = HEAPU8;
   }
   return oldPages;
  }
@@ -60,8 +61,8 @@ function asmFunc(env) {
  };
 }
 
+var bufferView;
 var memasmFunc = new ArrayBuffer(65536);
-var bufferView = new Uint8Array(memasmFunc);
 var retasmFunc = asmFunc(  { abort: function() { throw new Error('abort'); },
     a: { buffer : memasmFunc }
   });