https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80590
--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Backtrace looks similar to PR 80556 comment 3. Problem in that PR also is > with g-exptty.adb. If it is a duplicate of pr80556, it should start at r247301.
