Fix a bug in the handling of debug break in CallIC...

src/arm/debug-arm.cc

 // 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 207 matching lines @@
   //  -- r1     : key
   //  -- r2     : receiver
   //  -- lr     : return address
   Generate_DebugBreakCallHelper(masm, r0.bit() | r1.bit() | r2.bit());
 }
 
 
 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) {
   // Calling convention for IC call (from ic-arm.cc)
   // ----------- S t a t e -------------
-  //  -- r0: number of arguments
-  //  -- r1: receiver
-  //  -- lr: return address
+  //  -- r2: name
   // -----------------------------------
-  // Register r1 contains an object that needs to be pushed on the expression
-  // stack of the fake JS frame. r0 is the actual number of arguments not
-  // encoded as a smi, therefore it cannot be on the expression stack of the
-  // fake JS frame as it can easily be an invalid pointer (e.g. 1). r0 will be
-  // pushed on the stack of the C frame and restored from there.
-  Generate_DebugBreakCallHelper(masm, r1.bit());
+  Generate_DebugBreakCallHelper(masm, r2.bit());
 }
 
 
 void Debug::GenerateConstructCallDebugBreak(MacroAssembler* masm) {
   // In places other than IC call sites it is expected that r0 is TOS which
   // is an object - this is not generally the case so this should be used with
   // care.
   Generate_DebugBreakCallHelper(masm, r0.bit());
 }
 
@@ skipping 49 matching lines @@
 
 #undef __
 
 
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM