/usr/lib/ats2-postiats-0.2.6/ccomp/ is in ats2-lang 0.2.6-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ats2-postiats-0.2.6/ccomp/atslib/
/usr/lib/ats2-postiats-0.2.6/ccomp/atslib/lib/
/usr/lib/ats2-postiats-0.2.6/ccomp/atslib/lib/libatslib.a
/usr/lib/ats2-postiats-0.2.6/ccomp/atslib/lib32/
/usr/lib/ats2-postiats-0.2.6/ccomp/atslib/lib64/
/usr/lib/ats2-postiats-0.2.6/ccomp/atslib/output/
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_basics.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_config.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_exception.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_instrset.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_memalloc.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_memalloc_gcbdw.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_memalloc_libc.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_memalloc_user.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_memalloc_user2.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_memalloca.h
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_runtime.c
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_runtime2_dats.c
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_runtime_memalloc.c
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_runtime_trywith.c
/usr/lib/ats2-postiats-0.2.6/ccomp/runtime/pats_ccomp_typedefs.h