[wasm] Properly plumb the origin of the WASM module from asm.js translation.

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 8e46691e35a1f52fcb38214666731ec8fd33e729..ee4e59a52e1ef8ae661fbb62e99d1afa2a9ee983 100644
--- a/test/mjsunit/wasm/asm-wasm.js
+++ b/test/mjsunit/wasm/asm-wasm.js
@@ -1540,3 +1540,18 @@ TestForeignVariables();
   var m = _WASMEXP_.instantiateModuleFromAsm(Module.toString());
   assertEquals(0, m.func());
 })();
+
+(function TestOutOfBoundsConversion() {
+  function asmModule($a,$b,$c){'use asm';
+    function aaa() {
+      var f = 0.0;
+      var a = 0;
+      f = 5616315000.000001;
+      a = ~~f >>>0;
+      return a | 0;
+    }
+    return { main : aaa };
+  }
+  var wasm = _WASMEXP_.instantiateModuleFromAsm(asmModule.toString());
+  assertEquals(1321347704, wasm.main());
+})();