https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84286
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Marek Polacek from comment #6) > We'll need to bisect on the .o level. I see no -Wabi=11 warnings though. It's here to be seen: https://pastebin.com/bZFRJycS As mentioned visible only with -O0.