https://bugs.freedesktop.org/show_bug.cgi?id=93352
--- Comment #3 from Ilia Mirkin imirkin@alum.mit.edu --- The first issue is somewhere with glsl ir -> tgsi translation of a tessellation evaluation program. The second issue is that the generated TGSI is somehow problematic (or radeonsi has issues processing it).
It might be helpful to run the program with
MESA_GLSL=dump ST_DEBUG=tgsi
in the environment, and provide the resulting log file. I expect it'll be quite large.