https://bugs.freedesktop.org/show_bug.cgi?id=91993
--- Comment #5 from smoki smoki00790@gmail.com ---
Can't reproduce this with Debian version of astromenance neither with radeonsi or swrast - works fine here with that llvm+mesa version.
Likely game bug or it need some patches on Arch, look at a Debian changelog there are some patching involved:
http://metadata.ftp-master.debian.org/changelogs//contrib/a/astromenace/astr...