[PATCH] Fortran: implement constraint F2018:C1585 on pure function results [PR78640]

[Steve Kargl]

On Fri, Oct 31, 2025 at 09:22:43PM +0100, Harald Anlauf wrote:
> Dear All,
> 
> here's a straightforward implementation of the checks for constraint
> F2018:C1585 on pure function results.
> 
> Regtested on x86_64-pc-linux-gnu.  OK for mainline?
> 

Yes.  Thanks for the patch.

-- 
Steve