tree 512d0378803bc58533ba9836c79dec274751fb25
parent 4939923d3a8487f6644b1feb657693d8f929297b
author Daniel Stone <daniels@collabora.com> 1535125693 +0100
committer Daniel Stone <daniels@collabora.com> 1535533144 +0100

tests: Use volatile pointer for NULL dereference

Clang warns that it can silently discard a non-volatile write to a NULL
pointer (perhaps it constitutes undefined behaviour?), and recommends
changing it to volatile.

This patch slavishly complies with the demand of the unfeeling machine.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>