diff options
Diffstat (limited to 'dom/base/CustomElementRegistry.cpp')
| -rw-r--r-- | dom/base/CustomElementRegistry.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/dom/base/CustomElementRegistry.cpp b/dom/base/CustomElementRegistry.cpp index fc6ac2877..200668f9e 100644 --- a/dom/base/CustomElementRegistry.cpp +++ b/dom/base/CustomElementRegistry.cpp @@ -1045,6 +1045,8 @@ CustomElementReactionsStack::Enqueue(Element* aElement, // If the custom element reactions stack is empty, then: // Add element to the backup element queue. + MOZ_ASSERT(!aReaction->IsUpgradeReaction(), + "Upgrade reaction should not be scheduled to backup queue"); mBackupQueue.AppendElement(aElement); elementData->mReactionQueue.AppendElement(aReaction); |