KeyedLoadIC should have same register spec as LoadIC.

src/arm/debug-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/codegen.h"
 #include "src/debug.h"
@@ skipping 180 matching lines @@
   //  -- lr    : return address
   // -----------------------------------
   // Registers r0, r1, and r2 contain objects that need to be pushed on the
   // expression stack of the fake JS frame.
   Generate_DebugBreakCallHelper(masm, r0.bit() | r1.bit() | r2.bit(), 0);
 }
 
 
 void DebugCodegen::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
   // Calling convention for keyed IC load (from ic-arm.cc).
-  Register receiver = KeyedLoadIC::ReceiverRegister();
-  Register name = KeyedLoadIC::NameRegister();
-  Generate_DebugBreakCallHelper(masm, receiver.bit() | name.bit(), 0);
+  GenerateLoadICDebugBreak(masm);
 }
 
 
 void DebugCodegen::GenerateKeyedStoreICDebugBreak(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- r0     : value
   //  -- r1     : key
   //  -- r2     : receiver
   //  -- lr     : return address
   Generate_DebugBreakCallHelper(masm, r0.bit() | r1.bit() | r2.bit(), 0);
@@ skipping 102 matching lines @@
 }
 
 
 const bool LiveEdit::kFrameDropperSupported = true;
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM