Fix crash on QGraphicsItem destruction related to focus handling

Do not call clearFocus() for child item in setParentItemHelper() if
called from destructor: At this time, the ~QGraphicsItem destructor
already deleted all its children.

Reviewed-by: Andreas Aardal Hanssen

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index eae3e63..7023e9e 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -934,7 +934,7 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent)
     }
 
     QGraphicsItem *lastSubFocusItem = subFocusItem;
-    if (subFocusItem) {
+    if (subFocusItem && !inDestructor) {
         // Update the child focus chain; when reparenting an item that has a
         // focus child, ensure that that focus child clears its focus child
         // chain from our parents before it's reparented.