Bug 505494 - Unwrap invisible wrappers when they're passed to Function.prototype.apply. r=mrbkap

2009-08-06 20:48:57 -07:00
parent 8937fa53ee
commit aadc37b956
2 changed files with 10 additions and 1 deletions
--- a/js/src/jsarray.cpp
+++ b/js/src/jsarray.cpp
@@ -581,7 +581,7 @@ js_IsArrayLike(JSContext *cx, JSObject *obj, JSBool *answerp, jsuint *lengthp)
 {
    JSClass *clasp;

-    clasp = OBJ_GET_CLASS(cx, obj);
+    clasp = OBJ_GET_CLASS(cx, js_GetWrappedObject(cx, obj));
    *answerp = (clasp == &js_ArgumentsClass || clasp == &js_ArrayClass ||
                clasp == &js_SlowArrayClass);
    if (!*answerp) {