https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49278
kargl at gcc dot gnu.org changed:
What |Removed |Added
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CC| |kargl at gcc dot gnu.org
--- Comment #23 from kargl at gcc dot gnu.org ---
(In reply to anlauf from comment #21)
> There's also valid code that ICEs, and invalid code that is silently
> accepted.
>
> Invalid code:
>
> program p
> implicit none
> integer, parameter :: b = 1
> data b / 2 /
> print *, b
> end
>
> Instead of being rejected, this prints:
> 1
You need know about gfortran's extensions.
% gfcx -Wall -o z -std=f95 a.f90
a.f90:4:12:
4 | data b / 2 /
| 1
Error: GNU Extension: re-initialization of 'b' at (1)
