[PATCH xserver] composite: Propagate damagedDescendants when reparented

[Adam Jackson]

On Thu, 2017-12-14 at 12:21 -0500, Peter Harris wrote:
> If a window that is fully covered by an automatic-redirected descendant
> (even implicitly, eg. via BackingStores) is reparented, the automatic
> updates could be broken if the new parent is not marked as having
> damaged descendants.
> 
> Fix this issue by propagating the damagedDescendants flag whenever a
> window is reparented.

Nice catch. Merged, thanks:

remote: I: patch #193395 updated using rev d5c23b29487d5ff440abf5ed0beb22c00f21e387.
remote: I: 1 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   ac138f9b31..d5c23b2948  master -> master

- ajax