From 9d043da8c4078b0ee49edd0b09127c8cc3e580e2 Mon Sep 17 00:00:00 2001
From: Terrence Cole <terrence@mozilla.com>
Date: Mon, 28 Oct 2013 09:37:58 -0700
Subject: [PATCH] Bug 926779 - Do not try to mark null TypedArrays; r=efaust

---
 dom/bindings/TypedArray.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dom/bindings/TypedArray.h b/dom/bindings/TypedArray.h
index cdc9d683d97..1db626ac8d0 100644
--- a/dom/bindings/TypedArray.h
+++ b/dom/bindings/TypedArray.h
@@ -33,7 +33,9 @@ protected:
 public:
   inline void TraceSelf(JSTracer* trc)
   {
-    JS_CallObjectTracer(trc, &mObj, "TypedArray.mObj");
+    if (mObj) {
+      JS_CallObjectTracer(trc, &mObj, "TypedArray.mObj");
+    }
   }
 
 private: