Andreas Kling 9ff36afeaa GWindow: Fix crash when calling set_rect() repeatedly. ...

We throw away the backing store if the window rect changes size. Since the
resizing happens asynchronously at the mercy of the WindowServer, we might
end up in set_rect() again before gaining a new backing store. So there are
no guarantees that the back/front bitmaps exist here.

2019-04-26 20:08:30 +02:00

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