https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109212
--- Comment #1 from Marc Poulhiès <dkm at gcc dot gnu.org> --- Yes, but this has been fixed in later 11.x and above versions of the compiler, see for example: https://ada.godbolt.org/z/6KraGY965 I don't think we'll try to backport the Ada 202x features/bugfixes in old compilers.