https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103413
--- Comment #13 from anlauf at gcc dot gnu.org --- (In reply to Steve Kargl from comment #12) > > pr103413-boz.f90:4:6: > > > > 4 | r = z'1234' > > | 1 > > Error: BOZ literal constant at (1) is neither a DATA statement value nor an > > actual argument of INT/REAL/DBLE/CMPLX intrinsic subprogram [see > > '-fno-allow-invalid-boz'] > > This I need to look up in F2023. The statement may be allowed > only in an initialization expression. Given that F2023 is not yet official, I'd say we defer that. Maybe open a new (Meta-)PR that collects or references the new features. Oh boy, there's still a lot of F2018 that needs implementing...