diff options
Diffstat (limited to 'src/widgets/dialogs/qfontdialog.cpp')
| -rw-r--r-- | src/widgets/dialogs/qfontdialog.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/widgets/dialogs/qfontdialog.cpp b/src/widgets/dialogs/qfontdialog.cpp index 6644f26ad0..3ef844346b 100644 --- a/src/widgets/dialogs/qfontdialog.cpp +++ b/src/widgets/dialogs/qfontdialog.cpp @@ -1033,7 +1033,9 @@ void QFontDialog::done(int result) bool QFontDialogPrivate::canBeNativeDialog() const { - Q_Q(const QFontDialog); + // Don't use Q_Q here! This function is called from ~QDialog, + // so Q_Q calling q_func() invokes undefined behavior (invalid cast in q_func()). + const QDialog * const q = static_cast<const QDialog*>(q_ptr); if (nativeDialogInUse) return true; if (q->testAttribute(Qt::WA_DontShowOnScreen)) |