Index: src/flag-definitions.h |
diff --git a/src/flag-definitions.h b/src/flag-definitions.h |
index b8fbc414f308b08a254657332498c245c6e385e7..db8dcf4cddc3d17c5245a11c9b738ccf76d4c946 100644 |
--- a/src/flag-definitions.h |
+++ b/src/flag-definitions.h |
@@ -274,7 +274,7 @@ DEFINE_BOOL(track_fields, true, "track fields with only smi values") |
DEFINE_BOOL(track_double_fields, true, "track fields with double values") |
DEFINE_BOOL(track_heap_object_fields, true, "track fields with heap values") |
DEFINE_BOOL(track_computed_fields, true, "track computed boilerplate fields") |
-DEFINE_BOOL(harmony_instanceof_opt, false, "optimize ES6 instanceof support") |
+DEFINE_BOOL(harmony_instanceof_opt, true, "optimize ES6 instanceof support") |
DEFINE_IMPLICATION(track_double_fields, track_fields) |
DEFINE_IMPLICATION(track_heap_object_fields, track_fields) |
DEFINE_IMPLICATION(track_computed_fields, track_fields) |