Bug 469237: Assert that we never add properties to lexical blocks. r=igor

2009-04-09 13:07:27 -07:00
parent 78869d1924
commit 439253ae44
1 changed files with 3 additions and 0 deletions
--- a/js/src/jsobj.cpp
+++ b/js/src/jsobj.cpp
@@ -4487,6 +4487,9 @@ js_SetPropertyHelper(JSContext *cx, JSObject *obj, jsid id, jsval *vp,
    }

    if (!sprop) {
+        /* We should never add properties to lexical blocks.  */
+        JS_ASSERT(OBJ_GET_CLASS(cx, obj) != &js_BlockClass);
+
        /*
         * Purge the property cache of now-shadowed id in obj's scope chain.
         * Do this early, before locking obj to avoid nesting locks.