| Index: src/x64/lithium-x64.cc | 
| diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc | 
| index b1bc5479bd889adad729cfb1d50e59004b87ad23..82a889a14daa50441d5a4d41dd4070d14186bd2f 100644 | 
| --- a/src/x64/lithium-x64.cc | 
| +++ b/src/x64/lithium-x64.cc | 
| @@ -1456,7 +1456,7 @@ LInstruction* LChunkBuilder::DoMod(HMod* instr) { | 
| instr->CheckFlag(HValue::kBailoutOnMinusZero)) | 
| ? AssignEnvironment(result) | 
| : result; | 
| -    } else if (instr->has_fixed_right_arg()) { | 
| +    } else if (instr->fixed_right_arg().has_value) { | 
| LModI* mod = new(zone()) LModI(UseRegister(left), | 
| UseRegisterAtStart(right), | 
| NULL); | 
|  |