| Index: test/mjsunit/concurrent-initial-prototype-change.js | 
| diff --git a/test/mjsunit/concurrent-initial-prototype-change.js b/test/mjsunit/concurrent-initial-prototype-change.js | 
| index d5b1b9949173ec9916f3c2b63fa607ec3a6778e2..1b6f97b4332bbddc101d1f662ed5d6b5a3e900bf 100644 | 
| --- a/test/mjsunit/concurrent-initial-prototype-change.js | 
| +++ b/test/mjsunit/concurrent-initial-prototype-change.js | 
| @@ -55,3 +55,5 @@ assertUnoptimized(f1, "no sync"); | 
| // Sync with background thread to conclude optimization, which bails out | 
| // due to map dependency. | 
| assertUnoptimized(f1, "sync"); | 
| +//Clear type info for stress runs. | 
| +%ClearFunctionTypeFeedback(f1); | 
|  |