Index: src/flag-definitions.h |
diff --git a/src/flag-definitions.h b/src/flag-definitions.h |
index 6300fa1f393aac7a3ecc60f3f1f76f8d8d5b7535..1b29ca96fffc2cb196bb2befadbba58323119cef 100644 |
--- a/src/flag-definitions.h |
+++ b/src/flag-definitions.h |
@@ -132,7 +132,7 @@ public: |
// Flags for language modes and experimental language features. |
DEFINE_bool(use_strict, false, "enforce strict mode") |
-DEFINE_bool(es5_readonly, false, |
+DEFINE_bool(es5_readonly, true, |
"activate correct semantics for inheriting readonliness") |
DEFINE_bool(es52_globals, true, |
"activate new semantics for global var declarations") |