[Bug fortran/100651] [11/12/13/14 Regression] Bad handling of optional, allocatable character argument

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100651

--- Comment #14 from anlauf at gcc dot gnu.org ---
(In reply to anlauf from comment #12)
> Created attachment 56690 [details]
> Draft patch

Regtests cleanly btw.