| Index: runtime/vm/scopes.h | 
| =================================================================== | 
| --- runtime/vm/scopes.h	(revision 36320) | 
| +++ runtime/vm/scopes.h	(working copy) | 
| @@ -230,6 +230,9 @@ | 
| // scope and to its children at the same loop level. | 
| int num_context_variables() const { return num_context_variables_; } | 
|  | 
| +  // Forget all the variables in the scope. | 
| +  void Clear(); | 
| + | 
| // Add a variable to the scope. Returns false if a variable with the | 
| // same name is already present. | 
| bool AddVariable(LocalVariable* variable); | 
|  |