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

Conflicts:
	config.tests/win/msvc_version.cpp
	configure.pri
	mkspecs/macx-ios-clang/features/default_post.prf
	mkspecs/macx-ios-clang/features/resolve_config.prf
	mkspecs/features/uikit/default_post.prf
	mkspecs/features/uikit/resolve_config.prf
	src/corelib/io/qsettings_mac.cpp
	src/corelib/json/qjsondocument.cpp
	src/plugins/platforms/cocoa/qcocoawindow.h
	src/plugins/platforms/cocoa/qcocoawindow.mm
	src/plugins/platforms/cocoa/qnswindowdelegate.h
	src/plugins/platforms/cocoa/qnswindowdelegate.mm
	src/plugins/platforms/ios/ios.pro
	src/plugins/platforms/ios/kernel.pro
	src/plugins/platforms/ios/qiosintegration.h
	src/plugins/platforms/minimalegl/qminimaleglintegration.cpp
	tests/auto/gui/painting/qpainter/tst_qpainter.cpp
	tools/configure/environment.cpp

Change-Id: I654845e54e40f5951fb78aab349ca667e9f27843

3 files changed, 73 insertions, 0 deletions

diff --git a/tests/auto/widgets/widgets/qmenubar/qmenubar.pro b/tests/auto/widgets/widgets/qmenubar/qmenubar.pro
index 3fb6ae61a8..e680cf4d7d 100644
--- a/tests/auto/widgets/widgets/qmenubar/qmenubar.pro
+++ b/tests/auto/widgets/widgets/qmenubar/qmenubar.pro
@@ -2,3 +2,8 @@ CONFIG += testcase
 TARGET = tst_qmenubar
 QT += widgets testlib
 SOURCES += tst_qmenubar.cpp
+
+macos: {
+    OBJECTIVE_SOURCES += tst_qmenubar_mac.mm
+    LIBS += -framework AppKit
+}
diff --git a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
index 475ce2a317..3a4c4545df 100644
--- a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
+++ b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
@@ -130,6 +130,9 @@ private slots:
     void cornerWidgets_data();
     void cornerWidgets();
     void taskQTBUG53205_crashReparentNested();
+#ifdef Q_OS_MACOS
+    void taskQTBUG56275_reinsertMenuInParentlessQMenuBar();
+#endif
 
     void platformMenu();
 
@@ -1515,7 +1518,28 @@ void tst_QMenuBar::slotForTaskQTBUG53205()
     taskQTBUG53205MenuBar->setParent(parent);
 }
 
+#ifdef Q_OS_MACOS
+extern bool tst_qmenubar_taskQTBUG56275(QMenuBar *);
+
+void tst_QMenuBar::taskQTBUG56275_reinsertMenuInParentlessQMenuBar()
+{
+    QMenuBar menubar;
 
+    QMenu *menu = new QMenu("menu", &menubar);
+    QMenu* submenu = menu->addMenu("submenu");
+    submenu->addAction("action1");
+    submenu->addAction("action2");
+    menu->addAction("action3");
+    menubar.addMenu(menu);
+
+    QTest::qWait(100);
+    menubar.clear();
+    menubar.addMenu(menu);
+    QTest::qWait(100);
+
+    QVERIFY(tst_qmenubar_taskQTBUG56275(&menubar));
+}
+#endif // Q_OS_MACOS
 
 QTEST_MAIN(tst_QMenuBar)
 #include "tst_qmenubar.moc"
diff --git a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar_mac.mm b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar_mac.mm
new file mode 100644
index 0000000000..4645de4d7a
--- /dev/null
+++ b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar_mac.mm
@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+
+#include <QMenuBar>
+#include <QTest>
+
+bool tst_qmenubar_taskQTBUG56275(QMenuBar *menubar)
+{
+    NSMenu *mainMenu = menubar->toNSMenu();
+    return mainMenu.numberOfItems == 2
+        && [[mainMenu itemAtIndex:1].title isEqualToString:@"menu"];
+}