| Index: src/x64/macro-assembler-x64.h | 
| diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h | 
| index 22f1aac3d831b4570c38d39046dfcff5685f7324..30825811abdced2fb4957f62ffdeb7907dcebeee 100644 | 
| --- a/src/x64/macro-assembler-x64.h | 
| +++ b/src/x64/macro-assembler-x64.h | 
| @@ -1202,6 +1202,10 @@ class MacroAssembler: public Assembler { | 
| // Abort execution if argument is not a JSFunction, enabled via --debug-code. | 
| void AssertFunction(Register object); | 
|  | 
| +  // Abort execution if argument is not a JSBoundFunction, | 
| +  // enabled via --debug-code. | 
| +  void AssertBoundFunction(Register object); | 
| + | 
| // Abort execution if argument is not undefined or an AllocationSite, enabled | 
| // via --debug-code. | 
| void AssertUndefinedOrAllocationSite(Register object); | 
|  |