Le 30/10/2022 à 22:25, Mikael Morin a écrit :
Le 30/10/2022 à 20:23, Mikael Morin a écrit :
Another probable issue is your change to create_function_arglist changes arglist/hidden_arglist without also changing typelist/hidden_typelist accordingly.  I think a change to gfc_get_function_type is also necessary: as the function decl is changed, the decl type need to be changed as well.

I will see whether I can manage to exhibit testcases for these issues.

Here is a test for the type vs decl mismatch.

! { dg-do run }
!
! PR fortran/107441
! Check that procedure types and procedure decls match when the procedure
! has both chaacter-typed and optional value args.

program p
   interface
     subroutine i(c, o)
       character(*) :: c
       integer, optional, value :: o
     end subroutine i
   end interface
   procedure(i), pointer :: pp
A pointer initialization is missing here:
    pp => s
   call pp("abcd")
contains
   subroutine s(c, o)
     character(*) :: c
     integer, optional, value :: o
     if (present(o)) stop 1
     if (len(c) /= 4) stop 2
     if (c /= "abcd") stop 3
   end subroutine s
end program p


With the additional initialization, the test passes, so it's not very useful. The type mismatch is visible in the dump though, so maybe a dump match can be used.

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