Use result of SetOwnPropertyIgnoreAttributes in accessors

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/415133003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22607 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/accessors.cc

@@ -149,7 +149,7 @@ bool SetPropertyOnInstanceIfInherited(
     // properties.
     if (!object->map()->is_extensible()) return true;
     JSObject::SetOwnPropertyIgnoreAttributes(object, Utils::OpenHandle(*name),
-                                             value, NONE);
+                                             value, NONE).Check();
   }
   return true;
 }