| Index: src/compiler/x64/code-generator-x64.cc | 
| diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc | 
| index 2c8783322ef2dbc7e2f60d7d576db378cb8c09b2..37aca107a2320a224fb3c0f55f7fd78e35858080 100644 | 
| --- a/src/compiler/x64/code-generator-x64.cc | 
| +++ b/src/compiler/x64/code-generator-x64.cc | 
| @@ -233,6 +233,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) { | 
| case kArchRet: | 
| AssembleReturn(); | 
| break; | 
| +    case kArchStackPointer: | 
| +      __ movq(i.OutputRegister(), rsp); | 
| +      break; | 
| case kArchTruncateDoubleToI: | 
| __ TruncateDoubleToI(i.OutputRegister(), i.InputDoubleRegister(0)); | 
| break; | 
|  |