fix #273633: crash when drag&drop notes from drum palette

manually merge from 2.3. see 6c0bd3a
musescore · Jun 25, 2018 · e65d9ce · e65d9ce
1 parent 189b24a
commit e65d9ce
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/libmscore/chord.cpp b/libmscore/chord.cpp
@@ -1784,8 +1784,10 @@ void Chord::layoutPitched()
                   }
             computeUp();
             layoutStem1();
-            qreal stemWidth5 = _stem->lineWidth() * .5;
-            _stem->rxpos()   = up() ? (upNote()->headBodyWidth() - stemWidth5) : stemWidth5;
+            if (_stem) { //false when dragging notes from drum palette
+                  qreal stemWidth5 = _stem->lineWidth() * .5;
+                  _stem->rxpos()   = up() ? (upNote()->headBodyWidth() - stemWidth5) : stemWidth5;
+                  }
             addLedgerLines();
             return;
             }