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

test/mjsunit/asm/regress-660813.js

Index: test/mjsunit/asm/regress-660813.js
diff --git a/test/mjsunit/regress/regress-crbug-648740.js b/test/mjsunit/asm/regress-660813.js
similarity index 69%
copy from test/mjsunit/regress/regress-crbug-648740.js
copy to test/mjsunit/asm/regress-660813.js
index e52d899852433bbe95bcc3c1de54a56b5c738d7f..e9bf5797c7f434201cf67f4862f692ca3e7a0d9b 100644
--- a/test/mjsunit/regress/regress-crbug-648740.js
+++ b/test/mjsunit/asm/regress-660813.js
@@ -2,10 +2,11 @@
 // 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();