Faster string.replace with regexp pattern.

src/runtime.h

 // 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 128 matching lines @@
   F(RegExpCompile, 3) \
   F(RegExpExec, 4) \
   F(RegExpExecGlobal, 3) \
   \
   /* Strings */ \
   F(StringCharCodeAt, 2) \
   F(StringIndexOf, 3) \
   F(StringLastIndexOf, 3) \
   F(StringLocaleCompare, 2) \
   F(StringSlice, 3) \
+  F(StringReplaceRegExpWithString, 4) \
   \
   /* Numbers */ \
   F(NumberToRadixString, 2) \
   F(NumberToFixed, 2) \
   F(NumberToExponential, 2) \
   F(NumberToPrecision, 2) \
   \
   /* Reflection */ \
   F(FunctionSetInstanceClassName, 2) \
   F(FunctionSetLength, 2) \
@@ skipping 207 matching lines @@
   static Object* GetObjectProperty(Handle<Object> object, Handle<Object> key);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_