[asm] Fix lots of invalid asm.js tests

test/mjsunit/asm/word32and.js

 // Copyright 2014 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.
 
 var stdlib = {};
 var foreign = {};
 var heap = new ArrayBuffer(64 * 1024);
 
 function Word32And(rhs) {
   var name = "and_0x" + Number(rhs).toString(16);
-  var m = eval("function Module(stdlib, foreign, heap) {\n"
-      + " \"use asm\";\n"
-      + " function " + name + "(lhs) {\n"
-      + "  return (lhs | 0) & 0x" + Number(rhs).toString(16) + ";\n"
-      + " }\n"
-      + " return { f: " + name + "}\n"
-      + "}; Module");
+  var m = eval(
+      'function Module(stdlib, foreign, heap) {\n' +
+      ' "use asm";\n' +
+      ' function ' + name + '(lhs) {\n' +
+      '  lhs = lhs | 0;\n' +
+      '  return (lhs & 0x' + Number(rhs).toString(16) + ') | 0;\n' +
+      ' }\n' +
+      ' return { f: ' + name + '}\n' +
+      '}; Module');
   return m(stdlib, foreign, heap).f;
 }
 
 var masks = [0xffffffff, 0xf0f0f0f0, 0x80ffffff, 0x07f77f0f, 0xdeadbeef,
              0x0fffff00, 0x0ff0, 0xff, 0x00];
 for (var i in masks) {
   var rhs = masks[i];
   var and = Word32And(rhs);
   for (var lhs = -2147483648; lhs < 2147483648; lhs += 3999773) {
     assertEquals(lhs & rhs, and(lhs));
   }
 }