Merge remote-tracking branch 'origin/5.9' into 5.10

 Conflicts:
	.qmake.conf
	src/qml/compiler/qv4codegen.cpp
	src/qml/compiler/qv4compileddata_p.h
	src/qml/debugger/qqmlprofiler_p.h
	src/qml/jsruntime/qv4engine.cpp
	src/qml/memory/qv4mm.cpp
	src/qml/qml/qqmlcomponent.cpp
	src/qml/qml/qqmlobjectcreator.cpp
	src/qml/qml/qqmlobjectcreator_p.h
	src/qml/types/qqmldelegatemodel.cpp
	src/quick/items/qquickitem_p.h
	src/quick/items/qquickwindow.cpp
	tests/auto/quick/touchmouse/BLACKLIST
	tests/benchmarks/qml/holistic/tst_holistic.cpp

Change-Id: I520f349ab4b048dd337d9647113564fc257865c2

1 files changed, 31 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp b/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp
index 388ecc2ab8..e271cc1d7b 100644
--- a/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp
+++ b/tests/auto/quick/qquickgridview/tst_qquickgridview.cpp
@@ -210,6 +210,7 @@ private slots:
     void contentHeightWithDelayRemove();
 
     void QTBUG_45640();
+    void QTBUG_49218();
     void QTBUG_48870_fastModelUpdates();
 
     void keyNavigationEnabled();
@@ -6629,6 +6630,36 @@ void tst_QQuickGridView::QTBUG_45640()
     delete window;
 }
 
+void tst_QQuickGridView::QTBUG_49218()
+{
+    QQuickView *window = createView();
+    window->setSource(testFileUrl("qtbug49218.qml"));
+    window->show();
+    QVERIFY(QTest::qWaitForWindowExposed(window));
+
+    QQuickItem *rootItem = qobject_cast<QQuickItem*>(window->rootObject());
+    QQuickGridView *gridview = qobject_cast<QQuickGridView *>(rootItem->childItems().first());
+    QVERIFY(gridview != 0);
+
+    auto processEventsAndForceLayout = [&gridview] () {
+        for (int pass = 0; pass < 2; ++pass) {
+            QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
+            gridview->forceLayout();
+        }
+    };
+    QMetaObject::invokeMethod(rootItem, "scrollToTop");
+    processEventsAndForceLayout();
+    QMetaObject::invokeMethod(rootItem, "changeModel");
+    processEventsAndForceLayout();
+    QMetaObject::invokeMethod(rootItem, "changeModel");
+    processEventsAndForceLayout();
+    QMetaObject::invokeMethod(rootItem, "scrollToTop");
+    processEventsAndForceLayout();
+
+    QCOMPARE(gridview->indexAt(gridview->cellWidth() - 10, gridview->cellHeight() - 10), 0);
+    delete window;
+}
+
 void tst_QQuickGridView::keyNavigationEnabled()
 {
     QScopedPointer<QQuickView> window(createView());