[Bug 38832] New: Painting artifacts when moving a window that clips its children

https://bugs.winehq.org/show_bug.cgi?id=38832

Bug ID: 38832
           Summary: Painting artifacts when moving a window that clips its
                    children
           Product: Wine
           Version: 1.7.46
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 51769
  --> https://bugs.winehq.org/attachment.cgi?id=51769
test application

Attached simple test application demonstrates painting bugs when a window
that clips its children is being moved. In order to force the bug a being
moved window should have update region that covers its children, and child
windows should not have an update region.