| Index: src/x64/codegen-x64.h | 
| diff --git a/src/x64/codegen-x64.h b/src/x64/codegen-x64.h | 
| index 9b8454a3535ac77a681439e8c2a8b986cb61d8d2..93d9aac536e5cb36254a177860fd3dac4f3703f5 100644 | 
| --- a/src/x64/codegen-x64.h | 
| +++ b/src/x64/codegen-x64.h | 
| @@ -44,8 +44,8 @@ enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF }; | 
|  | 
| class CodeGenerator: public AstVisitor { | 
| public: | 
| -  CodeGenerator() { | 
| -    InitializeAstVisitor(); | 
| +  explicit CodeGenerator(Isolate* isolate) { | 
| +    InitializeAstVisitor(isolate); | 
| } | 
|  | 
| static bool MakeCode(CompilationInfo* info); | 
|  |