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Bug 1538991: Verify parent exists before calling ReorderEventTarget r=eeejay

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Differential Revision: https://phabricator.services.mozilla.com/D112205
This commit is contained in:
Morgan Reschenberg 2021-04-15 17:30:43 +00:00
parent f2483b1e23
commit f2a97e6e11
1 changed files with 1 additions and 1 deletions
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accessible/base/NotificationController.cpp
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@ -331,7 +331,7 @@ void NotificationController::CoalesceMutationEvents() {
} }
LocalAccessible* parent = acc->LocalParent(); LocalAccessible* parent = acc->LocalParent();
if (parent->ReorderEventTarget()) { if (parent && parent->ReorderEventTarget()) {
AccReorderEvent* reorder = downcast_accEvent( AccReorderEvent* reorder = downcast_accEvent(
mMutationMap.GetEvent(parent, EventMap::ReorderEvent)); mMutationMap.GetEvent(parent, EventMap::ReorderEvent));