Comment # 1 on bug 1044649 from Richard Biener

Quoting:

[    0s] Using BUILD_ROOT=/var/cache/obs/worker/root_6/.mount
[    0s] Using BUILD_ARCH=aarch64:aarch64_ilp32:armv8l
[    0s] Doing kvm build in /var/cache/obs/worker/root_6/root
[    0s] 
[    1s] 
[    1s] armbuild03 started "build texlive.spec" at Thu Jun 15 22:42:51 UTC
2017.
[    1s] 
[    1s] Building texlive for project 'Publishing:TeXLive' repository
'openSUSE_Factory' arch 'aarch64' srcmd5 '9ce1cd98fd467f942c311a755a758156'

ARM people need to sort out what armbuild03 is and why/if this builds for
aarch64_ilp32(!?).

Without the ability to reproduce this locally (to look at the actual
instruction being illegal) there's nothing to do from the Toolchain team side.