From 51b1cd97aa1c9204d22535038ad1463d89f93232 Mon Sep 17 00:00:00 2001
From: Yaron Tausky <ytausky@mozilla.com>
Date: Thu, 9 Jan 2020 22:23:13 +0100
Subject: Make copy of list before iterating over it.

---
 dom/cache/StreamControl.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'dom')

diff --git a/dom/cache/StreamControl.cpp b/dom/cache/StreamControl.cpp
index aab176666..69a72d0b6 100644
--- a/dom/cache/StreamControl.cpp
+++ b/dom/cache/StreamControl.cpp
@@ -68,7 +68,8 @@ StreamControl::CloseAllReadStreams()
 {
   AssertOwningThread();
 
-  ReadStreamList::ForwardIterator iter(mReadStreamList);
+  auto readStreamList = mReadStreamList;
+  ReadStreamList::ForwardIterator iter(readStreamList);
   while (iter.HasMore()) {
     iter.GetNext()->CloseStream();
   }
-- 
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