Merge remote-tracking branch 'origin/5.7' into 5.8

Conflicts:
	mkspecs/features/uikit/xcodebuild.mk
	tests/auto/other/lancelot/tst_lancelot.cpp
	tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
	tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp

Change-Id: Ia0ae2de86094120281abd445138877c2cc3e882c

1 files changed, 3 insertions, 4 deletions

diff --git a/src/widgets/kernel/qlayout.cpp b/src/widgets/kernel/qlayout.cpp
index 0a21ece1dd..1a341d155b 100644
--- a/src/widgets/kernel/qlayout.cpp
+++ b/src/widgets/kernel/qlayout.cpp
@@ -546,7 +546,7 @@ void QLayout::invalidate()
     update();
 }
 
-static bool removeWidgetRecursively(QLayoutItem *li, QWidget *w)
+static bool removeWidgetRecursively(QLayoutItem *li, QObject *w)
 {
     QLayout *lay = li->layout();
     if (!lay)
@@ -609,12 +609,11 @@ void QLayout::widgetEvent(QEvent *e)
         {
             QChildEvent *c = (QChildEvent *)e;
             if (c->child()->isWidgetType()) {
-                QWidget *w = (QWidget *)c->child();
 #ifndef QT_NO_MENUBAR
-                if (w == d->menubar)
+                if (c->child() == d->menubar)
                     d->menubar = 0;
 #endif
-                removeWidgetRecursively(this, w);
+                removeWidgetRecursively(this, c->child());
             }
         }
         break;