Hi Paul,

interesting issue, because the caf-libraries have a list of coarrays allocated
for each team and free them, when the team is left.

- Andre

On Fri, 24 Jul 2026 16:18:57 +0100
Paul Richard Thomas <[email protected]> wrote:

> Hello All,
> From John Reid's "Summary_of_Fortran_2018":
> 
> 3.5 Coarrays allocated in teams
> 
> ....snip....
> 
> In Fortran 2018, synchronization is now across the team, of course.
> Symmetric memory is maintained within teams by requiring that
> 
> 1. any allocatable coarray that is allocated before entry to a change team
> construct remains allocated during the execution of the construct and
> 2. any allocatable coarray that becomes allocated within a change team
> construct and is still allocated when the construct is left is
> automatically deallocated, even if it has the save attribute.
> 
> ....more snips....
> 
> Requirement 2 is not yet implemented in gfortran. The attachment does the
> job.
> 
> Regression tested on FC44/x86_64 - OK for mainline and eventual backporting
> to 16-branch?
> 
> Paul


-- 
Andre Vehreschild * Email: vehre ad gmx dot de 

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