From deba73b3bc9168838034c2b5bab4b7d2945bfaaf Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Fri, 2 Nov 2018 10:32:53 +0100
Subject: Fix a longstanding IndexedDB correctness issue.

Standards Compliance fix, port of Bug 1492737
---
 dom/xbl/nsXBLBinding.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'dom/xbl/nsXBLBinding.cpp')

diff --git a/dom/xbl/nsXBLBinding.cpp b/dom/xbl/nsXBLBinding.cpp
index d9a2aacc5..b8174f6c2 100644
--- a/dom/xbl/nsXBLBinding.cpp
+++ b/dom/xbl/nsXBLBinding.cpp
@@ -1049,7 +1049,8 @@ nsXBLBinding::DoInitJSClass(JSContext *cx,
   // to create and define it.
   JS::Rooted<JSObject*> proto(cx);
   JS::Rooted<JS::PropertyDescriptor> desc(cx);
-  if (!JS_GetOwnUCPropertyDescriptor(cx, holder, aClassName.get(), &desc)) {
+  if (!JS_GetOwnUCPropertyDescriptor(cx, holder, aClassName.get(),
+                                     aClassName.Length(), &desc)) {
     return NS_ERROR_OUT_OF_MEMORY;
   }
   *aNew = !desc.object();
-- 
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