Allow bitwise operators to convert from intish to int in heap ops.

test/mjsunit/wasm/asm-wasm.js

Index: test/mjsunit/wasm/asm-wasm.js
diff --git a/test/mjsunit/wasm/asm-wasm.js b/test/mjsunit/wasm/asm-wasm.js
index 419fdf8a7658262fff89c211dab528107b77aba9..b3cb25054b7e856f29cf9613f8f7489c0ab46f44 100644
--- a/test/mjsunit/wasm/asm-wasm.js
+++ b/test/mjsunit/wasm/asm-wasm.js
@@ -1523,3 +1523,20 @@ TestForeignVariables();
     _WASMEXP_.instantiateModuleFromAsm(Module.toString());
   });
 })();
+
+
+(function TestAndIntishAndFromHeap() {

[aseemgarg, 2016/02/24 02:16:21]

Better name? TestAndIntAndHeapValue?

[bradn, 2016/02/24 07:15:20]

Done.

+  function Module(stdlib, foreign, buffer) {
+    "use asm";
+    var HEAP32 = new stdlib.Int32Array(buffer);
+    function func() {
+      var x = 0;
+      x = HEAP32[0] & -1;
+      return x | 0;
+    }
+    return {func: func};
+  }
+
+  var m = _WASMEXP_.instantiateModuleFromAsm(Module.toString());
+  assertEquals(0, m.func());
+})();