| Index: src/ia32/macro-assembler-ia32.cc | 
| diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc | 
| index 1a9d70dda5d171537ad23a34166b95c8276f348d..83c7ce891758b9ca68091d18dad3dd3404dc70da 100644 | 
| --- a/src/ia32/macro-assembler-ia32.cc | 
| +++ b/src/ia32/macro-assembler-ia32.cc | 
| @@ -2952,15 +2952,19 @@ void MacroAssembler::Abort(BailoutReason reason) { | 
| } | 
| #endif | 
|  | 
| -  push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(reason)))); | 
| +  // Check if Abort() has already been initialized. | 
| +  DCHECK(isolate()->builtins()->Abort()->IsHeapObject()); | 
| + | 
| +  Move(edx, Smi::FromInt(static_cast<int>(reason))); | 
| + | 
| // Disable stub call restrictions to always allow calls to abort. | 
| if (!has_frame_) { | 
| // We don't actually want to generate a pile of code for this, so just | 
| // claim there is a stack frame, without generating one. | 
| FrameScope scope(this, StackFrame::NONE); | 
| -    CallRuntime(Runtime::kAbort); | 
| +    Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); | 
| } else { | 
| -    CallRuntime(Runtime::kAbort); | 
| +    Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); | 
| } | 
| // will not return here | 
| int3(); | 
|  |