[Bug fortran/91556] Severe regression with real types

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91556

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Happens all over SPEC sources as well :/  Tacking more -std=legacy into
FFLAGS...