Lock the prototype of internal classes.

src/runtime.h

 // Copyright 2011 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 60 matching lines @@
   F(IsInPrototypeChain, 2, 1) \
   F(SetHiddenPrototype, 2, 1) \
   \
   F(IsConstructCall, 0, 1) \
   \
   F(GetOwnProperty, 2, 1) \
   \
   F(IsExtensible, 1, 1) \
   F(PreventExtensions, 1, 1)\
   \
   /* Utilities */ \

[Erik Corry, 2011/08/31 05:46:04]

We try to use 'assert' for things that only work in debug mode and 'check' for
things that work always.

[Lasse Reichstein, 2011/09/01 13:30:42]

Changed to Check.

+  F(AssertIsBootstrapping, 0, 1) \
   F(GetFunctionDelegate, 1, 1) \
   F(GetConstructorDelegate, 1, 1) \
   F(NewArgumentsFast, 3, 1) \
   F(NewStrictArgumentsFast, 3, 1) \
   F(LazyCompile, 1, 1) \
   F(LazyRecompile, 1, 1) \
   F(NotifyDeoptimized, 1, 1) \
   F(NotifyOSR, 0, 1) \
   F(DeoptimizeFunction, 1, 1) \
   F(RunningInSimulator, 0, 1) \
@@ skipping 567 matching lines @@
                                                 Handle<Script> script,
                                                 int position);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_