| Index: src/debug/x64/debug-x64.cc | 
| diff --git a/src/debug/x64/debug-x64.cc b/src/debug/x64/debug-x64.cc | 
| index 2f017c8022b98cdb016355f1e0405222e0243a72..7935b1d9abd633121d8040f050dcecf7156b0e65 100644 | 
| --- a/src/debug/x64/debug-x64.cc | 
| +++ b/src/debug/x64/debug-x64.cc | 
| @@ -24,10 +24,9 @@ void EmitDebugBreakSlot(MacroAssembler* masm) { | 
| } | 
|  | 
|  | 
| -void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode, | 
| -                                int call_argc) { | 
| +void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode) { | 
| // Generate enough nop's to make space for a call instruction. | 
| -  masm->RecordDebugBreakSlot(mode, call_argc); | 
| +  masm->RecordDebugBreakSlot(mode); | 
| EmitDebugBreakSlot(masm); | 
| } | 
|  | 
|  |