fix #307900: Crash when switching voices if notes are tied

musescore · Aug 26, 2020 · 05ee013 · 05ee013
1 parent 37fe896
commit 05ee013
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libmscore/undo.cpp b/libmscore/undo.cpp
@@ -2341,7 +2341,7 @@ void ChangeSpannerElements::flip(EditData*)
     Element* oldEndElement     = spanner->endElement();
     if (spanner->anchor() == Spanner::Anchor::NOTE) {
         // be sure new spanner elements are of the right type
-        if (!startElement->isNote() || !endElement->isNote()) {
+        if (!startElement || !startElement->isNote() || !endElement || !endElement->isNote()) {
             return;
         }
         Note* oldStartNote = toNote(oldStartElement);