https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77788
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I believe you usually need to use --disable-werror for non-standard bootstraps like with FDO or LTO.