From: verwaest@chromium.org <verwaest@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Wed, 23 Jan 2013 17:27:25 +0000 (+0000)
Subject: Ensure a type-error is thrown when trying to assign to a readonly property on the... 
X-Git-Tag: upstream/4.7.83~15219
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=56adca9cc937c961ebf868245b6848ad101058ad;p=platform%2Fupstream%2Fv8.git

Ensure a type-error is thrown when trying to assign to a readonly property on the global scope.

Review URL: https://chromiumcodereview.appspot.com/11953056

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/ic.cc b/src/ic.cc
index 5e8e0e0..49b3377 100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -1463,7 +1463,9 @@ MaybeObject* StoreIC::Store(State state,
     if (FLAG_use_ic) {
       UpdateStoreCaches(&lookup, state, strict_mode, receiver, name, value);
     }
-  } else if (strict_mode == kStrictMode && IsUndeclaredGlobal(object)) {
+  } else if (strict_mode == kStrictMode &&
+             !(lookup.IsProperty() && lookup.IsReadOnly()) &&
+             IsUndeclaredGlobal(object)) {
     // Strict mode doesn't allow setting non-existent global property.
     return ReferenceError("not_defined", name);
   }