https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103946
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed reduced further: struct s1 { s1(); }; class s2 { s1 f1[2]{}; }; s2 a; ---- CUT --- This was most likely caused by one of Jason's recent patches that should have improved this case.