Remove regexp caching.

src/runtime.h

 // Copyright 2010 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 144 matching lines @@
   F(Math_sin, 1, 1) \
   F(Math_sqrt, 1, 1) \
   F(Math_tan, 1, 1) \
   \
   /* Regular expressions */ \
   F(RegExpCompile, 3, 1) \
   F(RegExpExec, 4, 1) \
   F(RegExpExecMultiple, 4, 1) \
   F(RegExpInitializeObject, 5, 1) \
   F(RegExpConstructResult, 3, 1) \
-  F(RegExpCloneResult, 1, 1) \
   \
   /* JSON */ \
   F(ParseJson, 1, 1) \
   \
   /* Strings */ \
   F(StringCharCodeAt, 2, 1) \
   F(StringIndexOf, 3, 1) \
   F(StringLastIndexOf, 3, 1) \
   F(StringLocaleCompare, 2, 1) \
   F(SubString, 3, 1) \
@@ skipping 243 matching lines @@
   F(MathCos, 1, 1)                                                           \
   F(MathSqrt, 1, 1)                                                          \
   F(IsRegExpEquivalent, 2, 1)                                                \
   F(HasCachedArrayIndex, 1, 1)                                               \
   F(GetCachedArrayIndex, 1, 1)
 
 
 // ----------------------------------------------------------------------------
 // INLINE_AND_RUNTIME_FUNCTION_LIST defines all inlined functions accessed
 // with a native call of the form %_name from within JS code that also have
-  // a corresponding runtime function, that is called for slow cases.
+// a corresponding runtime function, that is called for slow cases.
 // Entries have the form F(name, number of arguments, number of return values).
 #define INLINE_RUNTIME_FUNCTION_LIST(F) \
   F(IsConstructCall, 0, 1)                                                   \
   F(ClassOf, 1, 1)                                                           \
   F(StringCharCodeAt, 2, 1)                                                  \
   F(Log, 3, 1)                                                               \
   F(StringAdd, 2, 1)                                                         \
   F(SubString, 3, 1)                                                         \
   F(StringCompare, 2, 1)                                                     \
   F(RegExpExec, 4, 1)                                                        \
   F(RegExpConstructResult, 3, 1)                                             \
-  F(RegExpCloneResult, 1, 1)                                                 \
   F(GetFromCache, 2, 1)                                                      \
   F(NumberToString, 1, 1)                                                    \
   F(SwapElements, 3, 1)
 
 
 //---------------------------------------------------------------------------
 // Runtime provides access to all C++ runtime functions.
 
 class Runtime : public AllStatic {
  public:
@@ skipping 85 matching lines @@
                                                 int position);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_