[Bug sanitizer/100987] New: make distclean error "hwasan: No such file or directory"

[antony at cosmologist dot info]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100987

            Bug ID: 100987
           Summary: make distclean error "hwasan: No such file or
                    directory"
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: antony at cosmologist dot info
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at gcc dot gnu.org
  Target Milestone: ---

Last known working trunk build was 22 Nov 2020. Since then a "make distclean"
fails with this error after building C,C++, fortran (failed from weekly
auto-build after that).

See full dockerfile to reproduce at

https://github.com/cmbant/docker-gcc-build/blob/d5eefe8bdbe0b683a7bd4ca09caf4c9bba8fc429/Dockerfile