| Index: src/arm64/macro-assembler-arm64.h | 
| diff --git a/src/arm64/macro-assembler-arm64.h b/src/arm64/macro-assembler-arm64.h | 
| index 5b184a2c64fa1175017ec0a29bd895688dc901fd..7b5bb5a80f01b31ddfe72f2325c46918f162ad89 100644 | 
| --- a/src/arm64/macro-assembler-arm64.h | 
| +++ b/src/arm64/macro-assembler-arm64.h | 
| @@ -34,7 +34,6 @@ namespace v8 { | 
| namespace internal { | 
|  | 
| // Give alias names to registers for calling conventions. | 
| -// TODO(titzer): arm64 is a pain for aliasing; get rid of these macros | 
| #define kReturnRegister0 x0 | 
| #define kReturnRegister1 x1 | 
| #define kReturnRegister2 x2 | 
|  |