https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80953
--- Comment #22 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > I think it is important to find out why there are those differences in line > numbers. Is libbacktrace broken on Solaris, or not used at all, something > different? AFAICS they only occur with optimization enabled.