https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65672
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note I see Martin has argued both ways :). Anyways I the issue is in reconstruct_complex_type (either cp_reconstruct_complex_type in gcc/cp/decl2.cc or reconstruct_complex_type in gcc/tree.cc).
