From c8ee8265da3149181a714df316f094d760bfbe7e Mon Sep 17 00:00:00 2001
From: Peter Van der Beken <peterv@propagandism.org>
Date: Sun, 10 Oct 2010 15:46:42 -0700
Subject: [PATCH] bug 580128 - Fix js_PrintObjectSlotName. r=mrbkap

---
 js/src/jsobj.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/js/src/jsobj.cpp b/js/src/jsobj.cpp
index 7e740bad384..2cfd02b6c6f 100644
--- a/js/src/jsobj.cpp
+++ b/js/src/jsobj.cpp
@@ -6139,6 +6139,8 @@ js_PrintObjectSlotName(JSTracer *trc, char *buf, size_t bufsize)
         shape = obj->lastProperty();
         while (shape->previous() && shape->slot != slot)
             shape = shape->previous();
+        if (shape->slot != slot)
+            shape = NULL;
     } else {
         shape = NULL;
     }