[Bug fortran/92887] [F2008] Passing nullified/disassociated pointer or unalloc allocatable to OPTIONAL + VALUE dummy fails

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92887

--- Comment #3 from anlauf at gcc dot gnu.org ---
When using the tentative patch

https://gcc.gnu.org/bugzilla/attachment.cgi?id=55333

and adding a hackish

      else if (e && fsym && fsym->attr.value && e->expr_type == EXPR_VARIABLE)
        {
          parmse.expr = gfc_evaluate_now (parmse.expr, &parmse.pre);
        }

I see a temporary generated for the integer arguments, but not for the
character variable.

The above hackish addition is even not yet correct: we must not dereference
a disassociated pointer when copying to the temporary ...