| Index: src/utils.h | 
| diff --git a/src/utils.h b/src/utils.h | 
| index ab25771be3d26db8be918028508836dc5d27b724..222c792b50af180406e460ef0b44c7585bdaa4de 100644 | 
| --- a/src/utils.h | 
| +++ b/src/utils.h | 
| @@ -941,6 +941,8 @@ class BailoutId { | 
| V8_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream&, BailoutId); | 
|  | 
| private: | 
| +  friend class Builtins; | 
| + | 
| static const int kNoneId = -1; | 
|  | 
| // Using 0 could disguise errors. | 
| @@ -959,6 +961,11 @@ class BailoutId { | 
| // Every compiled stub starts with this id. | 
| static const int kStubEntryId = 6; | 
|  | 
| +  // Builtin continuations bailout ids start here. If you need to add a | 
| +  // non-builtin BailoutId, add it before this id so that this Id has the | 
| +  // highest number. | 
| +  static const int kFirstBuiltinContinuationId = 7; | 
| + | 
| int id_; | 
| }; | 
|  | 
|  |