[Bug fortran/107441] optional arguments are identified as "present" when missing

[anlauf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107441

--- Comment #7 from anlauf at gcc dot gnu.org ---
(In reply to anlauf from comment #6)
> Created attachment 53782 [details]
> Patch
> 
> Regtesting the attached patch.

Looks good for the reported issue.

However, while working on variations of the testcase, I hit an ICE for:

subroutine test3 (w)
  character, intent(in), value, optional :: w
  print*, 'present(w) is ', present(w)
end subroutine test3

It is not new, though.