https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99355
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Version|unknown |10.2.0 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- So you say -freal-8-real-16 -freal-4-real-8 promotes real(4) to real(16). Which indeed sounds less than useful but could be a valid reading of the intended semantics.