Comment # 19 on bug 91342 from Daniel Scharrer

Dmytro Zverev, you are talking about a completely different bug in a different
game.

This has indeed regressed as the fix was effectively removed in commit
fe2d2c7ad8793fbcc4761cf5b51270c296eb811c
Author: Matt Turner <mattst88@gmail.com>
Date:   Sat Feb 27 14:04:30 2016 -0800

    program: Remove NV_fragment_program Abs support.

    Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
    Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
    Acked-by: Brian Paul <brianp@vmware.com>

I'll send a patch soon.