Handle breaks on keyed IC loads which can have an inlined version

src/ic.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 236 matching lines @@
   KeyedLoadIC() : IC(NO_EXTRA_FRAME) { ASSERT(target()->is_keyed_load_stub()); }
 
   Object* Load(State state, Handle<Object> object, Handle<Object> key);
 
   // Code generator routines.
   static void GenerateMiss(MacroAssembler* masm);
   static void GenerateInitialize(MacroAssembler* masm);
   static void GeneratePreMonomorphic(MacroAssembler* masm);
   static void GenerateGeneric(MacroAssembler* masm);
 
+  // Check if this IC corresponds to an inlined version.
+  static bool HasInlinedVersion(Address address);
+
+  // Clear the use of the inlined version.
+  static void ClearInlinedVersion(Address address);
+
  private:
   static void Generate(MacroAssembler* masm, const ExternalReference& f);
 
   // Update the inline cache.
   void UpdateCaches(LookupResult* lookup,
                     State state,
                     Handle<Object> object,
                     Handle<String> name);
 
   // Stub accessors.
@@ skipping 95 matching lines @@
   }
 
   static void Clear(Address address, Code* target);
   friend class IC;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_