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

src/debug.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 114 matching lines @@
   int break_point_;
   int position_;
   int statement_position_;
   Handle<DebugInfo> debug_info_;
   RelocIterator* reloc_iterator_;
   RelocIterator* reloc_iterator_original_;
 
  private:
   void SetDebugBreak();
   void ClearDebugBreak();
+
+  void SetDebugBreakAtIC();
+  void ClearDebugBreakAtIC();
+
   bool IsDebugBreakAtReturn();
   void SetDebugBreakAtReturn();
   void ClearDebugBreakAtReturn();
 
   DISALLOW_COPY_AND_ASSIGN(BreakLocationIterator);
 };
 
 
 // Linked list holding debug info objects. The debug info objects are kept as
 // weak handles to avoid a debug info object to keep a function alive.
@@ skipping 53 matching lines @@
 
   static bool IsDebugBreak(Address addr);
   static bool IsDebugBreakAtReturn(RelocInfo* rinfo);
 
   // Check whether a code stub with the specified major key is a possible break
   // point location.
   static bool IsSourceBreakStub(Code* code);
   static bool IsBreakStub(Code* code);
 
   // Find the builtin to use for invoking the debug break
-  static Handle<Code> FindDebugBreak(RelocInfo* rinfo);
+  static Handle<Code> FindDebugBreak(Handle<Code> code, RelocInfo::Mode mode);
 
   static Handle<Object> GetSourceBreakLocations(
       Handle<SharedFunctionInfo> shared);
 
   // Getter for the debug_context.
   inline static Handle<Context> debug_context() { return debug_context_; }
 
   // Check whether a global object is the debug global object.
   static bool IsDebugGlobal(GlobalObject* global);
 
@@ skipping 525 matching lines @@
   Debug::AddressId id_;
   int reg_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 #endif  // V8_V8_DEBUG_H_