Addressing Mads' comments from http://codereview.chromium.org/3585010/show.

src/execution.cc

 // Copyright 2006-2008 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 455 matching lines @@
 
 Handle<Object> Execution::NewDate(double time, bool* exc) {
   Handle<Object> time_obj = Factory::NewNumber(time);
   RETURN_NATIVE_CALL(create_date, 1, { time_obj.location() }, exc);
 }
 
 
 #undef RETURN_NATIVE_CALL
 
 
+Handle<JSRegExp> Execution::NewJSRegExp(Handle<String> pattern,
+                                        Handle<String> flags,
+                                        bool* exc) {
+  Handle<Object> re_obj = RegExpImpl::CreateRegExpLiteral(
+      Handle<JSFunction>(Top::global_context()->regexp_function()),
+      pattern,
+      flags,
+      exc);
+  if (*exc) return Handle<JSRegExp>();
+  return Handle<JSRegExp>::cast(re_obj);
+}
+
+
 Handle<Object> Execution::CharAt(Handle<String> string, uint32_t index) {
   int int_index = static_cast<int>(index);
   if (int_index < 0 || int_index >= string->length()) {
     return Factory::undefined_value();
   }
 
   Handle<Object> char_at =
       GetProperty(Top::builtins(), Factory::char_at_symbol());
   if (!char_at->IsJSFunction()) {
     return Factory::undefined_value();
@@ skipping 314 matching lines @@
   return Utils::OpenHandle(*args[0].As<v8::String>())->IsAsciiRepresentation() ?
       v8::True() : v8::False();
 }
 
 
 static ExternalizeStringExtension externalize_extension;
 static v8::DeclareExtension externalize_extension_declaration(
     &externalize_extension);
 
 } }  // namespace v8::internal