| Index: src/flag-definitions.h | 
| diff --git a/src/flag-definitions.h b/src/flag-definitions.h | 
| index 5c7c6460074c424cb0f62716eb3009abd93b8ec9..58f29b4d9c295dc4f0a2a058797497d96a7d008d 100644 | 
| --- a/src/flag-definitions.h | 
| +++ b/src/flag-definitions.h | 
| @@ -258,7 +258,7 @@ DEFINE_bool(unreachable_code_elimination, false, | 
| "eliminate unreachable code (hidden behind soft deopts)") | 
| DEFINE_bool(track_allocation_sites, true, | 
| "Use allocation site info to reduce transitions") | 
| -DEFINE_bool(optimize_constructed_arrays, true, | 
| +DEFINE_bool(optimize_constructed_arrays, false, | 
| "Use allocation site info on constructed arrays") | 
| DEFINE_bool(trace_osr, false, "trace on-stack replacement") | 
| DEFINE_int(stress_runs, 0, "number of stress runs") | 
|  |