https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80556
--- Comment #8 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > It looks like gnat1 was compiled with libgcc, which is not able to > handle unwinding on Darwin. > I suppose it must be linked without -static-libgcc This was handled properly on darwin up to r247298. The changes in r247301 should be updated to work properly on darwin.
