https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89294
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2019-02-12 Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> --- This is due to r268774 introducing the assumption that the valid_constant_size_p() argument is a constant expression. I got a new machine recently and apparently didn't install Gnat properly, so wasn't building it despite configuring with --enable-languages=all. I think the Fedora instructions for Ada are wrong: https://fedoraproject.org/wiki/Features/Ada_developer_tools.