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-rw-r--r--src/quick/items/qquickitem.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/quick/items/qquickitem.cpp b/src/quick/items/qquickitem.cpp
index 9e86247162..1e60ef8c02 100644
--- a/src/quick/items/qquickitem.cpp
+++ b/src/quick/items/qquickitem.cpp
@@ -2603,7 +2603,7 @@ void QQuickItem::setParentItem(QQuickItem *parentItem)
if (parentItem) {
QQuickItem *itemAncestor = parentItem;
while (itemAncestor != 0) {
- if (itemAncestor == this) {
+ if (Q_UNLIKELY(itemAncestor == this)) {
qWarning() << "QQuickItem::setParentItem: Parent" << parentItem << "is already part of the subtree of" << this;
return;
}