https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79032
--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > What about the following 2 lines that still use MEM_ALIGN (reg) rather than > MEM_ALIGN (subst)? The mode of SUBST is MODE whereas that of REG is INNERMODE.