[wasm] [asm.js] Don't allow bad return types from a global constant

test/mjsunit/asm/regress-660813.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --min-preparse-length=0
-
-(function () {
+function Module() {
+  "use asm";
+  const i = 0xffffffff;
   function foo() {
-    const arguments = 42;
+    return i;
   }
-})()
+}
+Module();