Commit a46e7f87 authored by Eitan Isaacson's avatar Eitan Isaacson
Browse files

Bug 1677934 - Check for null when getting leaf for text marker. r=morgan, a=jcristau

This doesn't happen often. I can't find a reproducable case to test with. This happens with rapidly mutating content and is the result of some kind of race.

Differential Revision:
parent 082c6aa0
......@@ -291,7 +291,12 @@ static nsDataHashtable<nsUint64HashKey, MOXTextMarkerDelegate*> sDelegates;
return nil;
return GetNativeFromGeckoAccessible(geckoTextMarker.Leaf());
AccessibleOrProxy leaf = geckoTextMarker.Leaf();
if (leaf.IsNull()) {
return nil;
return GetNativeFromGeckoAccessible(leaf);
- (id)moxTextMarkerRangeForUIElement:(id)element {
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