Fix debug builds broken by r9399.

Review URL: http://codereview.chromium.org/7996002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9400 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/regexp.js

@@ -408,9 +408,9 @@ var lastMatchInfoOverride = null;
 function SetUpRegExp() {
   %CheckIsBootstrapping();
   %FunctionSetInstanceClassName($RegExp, 'RegExp');
-  %FunctionSetPrototype($RegExp, new $RegExp());
   %SetProperty($RegExp.prototype, 'constructor', $RegExp, DONT_ENUM);
   %SetCode($RegExp, RegExpConstructor);
+  %FunctionSetPrototype($RegExp, new $RegExp());
 
   InstallFunctions($RegExp.prototype, DONT_ENUM, $Array(
     "exec", RegExpExec,