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| H A D | qxl.c | df45892c1290c6c853010b83e5afebe8740cb9fa Wed Jan 25 21:48:51 UTC 2017 Michael S. Tsirkin <mst@redhat.com> qxl: switch to constants within BUILD_BUG_ON
We are switching BUILD_BUG_ON to verify that it's parameter is a
compile-time constant, and it turns out that some gcc versions
(specifically gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609) are
not smart enough to figure it out for expressions involving local
variables. This is harmless but means that the check is ineffective for
these platforms. To fix, replace variables with macros.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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