Make more JS files beter match the coding standard.

test/mjsunit/regexp.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 302 matching lines @@
 assertFalse(/x(...)\1/i.test("xaaaaa"), "backref-ASCII-short");
 assertTrue(/x((?:))\1\1x/i.test("xx"), "backref-ASCII-empty");
 assertTrue(/x(?:...|(...))\1x/i.test("xabcx"), "backref-ASCII-uncaptured");
 assertTrue(/x(?:...|(...))\1x/i.test("xabcABCx"), "backref-ASCII-backtrack");
 assertEquals("xaBcAbCABCx,aBc",
              String(/x(...)\1\1x/i.exec("xaBcAbCABCx")),
              "backref-ASCII-twice");
 
 for (var i = 0; i < 128; i++) {
   var testName = "backref-ASCII-char-" + i + "," + (i^0x20);
-  var test = /^(.)\1$/i.test(String.fromCharCode(i, i ^ 0x20))
+  var test = /^(.)\1$/i.test(String.fromCharCode(i, i ^ 0x20));
   var c = String.fromCharCode(i);
   if (('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z')) {
     assertTrue(test, testName);
   } else {
     assertFalse(test, testName);
   }
 }
 
 assertFalse(/f(o)$\1/.test('foo'), "backref detects at_end");
 
@@ skipping 349 matching lines @@
 // Syntax extension relative to ES5, for matching JSC (and ES3).
 // Shouldn't throw.
 re = RegExp("(?=x)*");
 re = RegExp("(?!x)*");
 
 // Should throw. Shouldn't hit asserts in debug mode.
 assertThrows("RegExp('(*)')");
 assertThrows("RegExp('(?:*)')");
 assertThrows("RegExp('(?=*)')");
 assertThrows("RegExp('(?!*)')");