| Index: src/ia32/code-stubs-ia32.cc
 | 
| ===================================================================
 | 
| --- src/ia32/code-stubs-ia32.cc	(revision 6216)
 | 
| +++ src/ia32/code-stubs-ia32.cc	(working copy)
 | 
| @@ -5176,9 +5176,11 @@
 | 
|      __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
 | 
|    } else {
 | 
|      // Call the builtin and convert 0/1 to true/false.
 | 
| +    __ EnterInternalFrame();
 | 
|      __ push(object);
 | 
|      __ push(function);
 | 
|      __ InvokeBuiltin(Builtins::INSTANCE_OF, CALL_FUNCTION);
 | 
| +    __ LeaveInternalFrame();
 | 
|      NearLabel true_value, done;
 | 
|      __ test(eax, Operand(eax));
 | 
|      __ j(zero, &true_value);
 | 
| 
 |