Property 'raised' does not exist on Item warning on displaying menu in Qt 5.6

I use compiled Qt from git and when I do any action, that displays menu, I see the following warning:

file:///mnt/store/Development/qt5.6_git/qml/QtQuick/Controls/Private/ScrollViewHelper.qml:192:9: QML Binding: Property 'raised' does not exist on Item.

To reproduce, create template QtQuick.Controls project and click on menu bar.

In Qt 5.5 I see no this warning.