| Index: src/globals.h | 
| diff --git a/src/globals.h b/src/globals.h | 
| index cd13e21334494e633f9007b7dc66aab931093284..6b0946670522e38d4dad564400f972f473452306 100644 | 
| --- a/src/globals.h | 
| +++ b/src/globals.h | 
| @@ -300,6 +300,7 @@ const intptr_t kPointerAlignmentMask = kPointerAlignment - 1; | 
| // Desired alignment for double values. | 
| const intptr_t kDoubleAlignment = 8; | 
| const intptr_t kDoubleAlignmentMask = kDoubleAlignment - 1; | 
| +const intptr_t kDoubleAlignmentMaskTagged = kDoubleAlignmentMask - 1; | 
|  | 
| // Desired alignment for 128 bit SIMD values. | 
| const intptr_t kSimd128Alignment = 16; | 
|  |