From 963a76c6fc44a590d6daed8af8b058dfd4eb57be Mon Sep 17 00:00:00 2001
From: Simon Giesecke <sgiesecke@mozilla.com>
Date: Wed, 4 Mar 2020 13:10:54 +0000
Subject: [PATCH] Bug 1619307 - Fixed assertion in IDBTransaction::Run.
 r=dom-workers-and-storage-reviewers,janv

Differential Revision: https://phabricator.services.mozilla.com/D64984

--HG--
extra : moz-landing-system : lando
---
 dom/indexedDB/IDBTransaction.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dom/indexedDB/IDBTransaction.cpp b/dom/indexedDB/IDBTransaction.cpp
index b74942992252..4437ae7f84d1 100644
--- a/dom/indexedDB/IDBTransaction.cpp
+++ b/dom/indexedDB/IDBTransaction.cpp
@@ -988,7 +988,10 @@ IDBTransaction::Run() {
   // abort/commit.
 
   if (ReadyState::Finished == mReadyState) {
-    MOZ_ASSERT(IsAborted());
+    // There are three cases where mReadyState is set to Finished: In
+    // FileCompleteOrAbortEvents, AbortInternal and in CommitIfNotStarted. We
+    // shouldn't get here after CommitIfNotStarted again.
+    MOZ_ASSERT(mFiredCompleteOrAbort || IsAborted());
     return NS_OK;
   }