https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113449
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 57114 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57114&action=edit f95-lang.ii.xz ../prev-gcc/xg++ -B ../prev-gcc/ -O2 -fno-exceptions -fno-rtti -fcompare-debug f95-lang.ii -S xg++: error: f95-lang.ii: ‘-fcompare-debug’ failure Unreduced preprocessed source, let me reduce it.