Hi Harald,

This looks good to me. OK for mainline.

Thanks for the patch.

Paul


On Wed, 1 Nov 2023 at 22:10, Harald Anlauf <anlauf@gmx.de> wrote:

> Dear all,
>
> I've dusted off and cleaned up a previous attempt to fix the handling
> of allocatable or pointer actual arguments to OPTIONAL+VALUE dummies.
> The standard says that a non-allocated / non-associated actual argument
> in that case shall be treated as non-present.
>
> However, gfortran's calling conventions demand that the presence status
> for OPTIONAL+VALUE is passed as a hidden argument, while we need to
> pass something on the stack which has the right type.  The solution
> is to conditionally create a temporary when needed.
>
> Testcase checked with NAG.
>
> Regtested on x86_64-pc-linux-gnu.  OK for mainline?
>
> Thanks,
> Harald
>
>