Index: src/flag-definitions.h |
diff --git a/src/flag-definitions.h b/src/flag-definitions.h |
index 125d151e0e4a6d55f7707e7106cceaf1915fa542..98a4fce98ca6b1920503b4dfef5bde980dee4d4a 100644 |
--- a/src/flag-definitions.h |
+++ b/src/flag-definitions.h |
@@ -152,7 +152,7 @@ DEFINE_implication(harmony, harmony_collections) |
DEFINE_implication(harmony_modules, harmony_scoping) |
// Flags for experimental implementation features. |
-DEFINE_bool(packed_arrays, false, "optimizes arrays that have no holes") |
+DEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes") |
DEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values") |
DEFINE_bool(clever_optimizations, |
true, |