https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58035
Andreas Krebbel <krebbel at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #1 from Andreas Krebbel <krebbel at gcc dot gnu.org> --- I can't say what change fixed this for us but Ada bootstraps fine with GCC 5 and head.