https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91606
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Note, both D.10649.f1 and *_31 types are the pointer-to-member structs created by C++ FE, while they aren't the same type, get_alias_set returns 0 for both of them, both have a pointer __pfn field followed by ssize __delta field.
