https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110611
--- Comment #4 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Andreas Schwab from comment #3) > uint64_t is neither Pmode nor word_mode here. POINTERS_EXTEND_UNSIGNED is > only relevant if POINTER_SIZE is narrower than Pmode. So, just pilot-error, then?