Change StoreIC interface on x64 to pass receiver in rdx, not on stack.

src/x64/debug-x64.cc

-// Copyright 2009 the V8 project authors. All rights reserved.
+// 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
 //       with the distribution.
@@ skipping 139 matching lines @@
 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
   // Register state just before return from JS function (from codegen-x64.cc).
   // ----------- S t a t e -------------
   //  -- rax: return value
   // -----------------------------------
   Generate_DebugBreakCallHelper(masm, rax.bit(), true);
 }
 
 
 void Debug::GenerateStoreICDebugBreak(MacroAssembler* masm) {
-  // REgister state for IC store call (from ic-x64.cc).
+  // Register state for IC store call (from ic-x64.cc).
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : name
+  //  -- rdx    : receiver
   // -----------------------------------
-  Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit(), false);
+  Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit() | rdx.bit(), false);
 }
 
 
 void Debug::GenerateStubNoRegistersDebugBreak(MacroAssembler* masm) {
   // Register state for stub CallFunction (from CallFunctionStub in ic-x64.cc).
   // ----------- S t a t e -------------
   //  No registers used on entry.
   // -----------------------------------
   Generate_DebugBreakCallHelper(masm, 0, false);
 }
@@ skipping 16 matching lines @@
 void BreakLocationIterator::SetDebugBreakAtReturn()  {
   ASSERT(Assembler::kJSReturnSequenceLength >=
          Assembler::kCallInstructionLength);
   rinfo()->PatchCodeWithCall(Debug::debug_break_return()->entry(),
       Assembler::kJSReturnSequenceLength - Assembler::kCallInstructionLength);
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal