| Index: src/ia32/lithium-ia32.cc | 
| diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc | 
| index 2b1a0259d0e4532ee31a6b727799846022a80e13..6da2d4a3faf32fb76f4dcb4d68115be3e2475db6 100644 | 
| --- a/src/ia32/lithium-ia32.cc | 
| +++ b/src/ia32/lithium-ia32.cc | 
| @@ -2559,7 +2559,7 @@ LInstruction* LChunkBuilder::DoParameter(HParameter* instr) { | 
| CodeStubInterfaceDescriptor* descriptor = | 
| info()->code_stub()->GetInterfaceDescriptor(info()->isolate()); | 
| int index = static_cast<int>(instr->index()); | 
| -    Register reg = DESCRIPTOR_GET_PARAMETER_REGISTER(descriptor, index); | 
| +    Register reg = descriptor->GetParameterRegister(index); | 
| return DefineFixed(result, reg); | 
| } | 
| } | 
|  |