Comment # 4 on bug 108507 from Vladimir Usikov

git bisect says this:

d87913e72a0dfbd44aea7b767f49aa1175d52e0b is the first bad commit
commit d87913e72a0dfbd44aea7b767f49aa1175d52e0b
Author: Timothy Arceri <tarceri@itsqueeze.com>
Date:   Wed Jun 20 13:03:40 2018 +1000

    mesa: enable ARB_viewport_array in compat profile

    Reviewed-by: Marek Olšák <marek.olsak@amd.com>

:040000 040000 03364e7e53ed1d82394584145ee3ac82b5bfeb4d
72d6c667b4827f53a3f523ca42d57ac2cde79e73 M      src