| Index: src/flag-definitions.h
 | 
| diff --git a/src/flag-definitions.h b/src/flag-definitions.h
 | 
| index 49dac4a6db04eb8a8d3d9cbdb55699015fa247a0..a7c9390bd608c7f5a140d9862a9dc1dba440e355 100644
 | 
| --- a/src/flag-definitions.h
 | 
| +++ b/src/flag-definitions.h
 | 
| @@ -471,7 +471,7 @@ DEFINE_bool(trace_external_memory, false,
 | 
|              "it is adjusted.")
 | 
|  DEFINE_bool(collect_maps, true,
 | 
|              "garbage collect maps from which no objects can be reached")
 | 
| -DEFINE_bool(weak_embedded_maps_in_optimized_code, false,
 | 
| +DEFINE_bool(weak_embedded_maps_in_optimized_code, true,
 | 
|              "make maps embedded in optimized code weak")
 | 
|  DEFINE_bool(flush_code, true,
 | 
|              "flush code that we expect not to use again (during full gc)")
 | 
| 
 |