Update handle_allocate_error to include errmsg

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#1,322 opened on Jun 9, 2025 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 75/100

Issue type: Feature
Clarity: Mostly clear
Activity status: Quiet
Tech stack: fortran
Domain: hpc

Research direction

Start in cam_abortutils.F90 and compare the requested handling with the referenced CAM-SIMA implementation in pull request 311. Confirm how handle_allocate_error currently builds its error message, then add optional errmsg support so it appears in the overall message. Done means the optional argument is accepted and included without changing behavior when it is absent.

Written by the indexing model from the issue text.

Description

enhancement

What is the feature/what would you like to discuss?

Since the optional errmsg argument to allocate is "new" as of fortran 2003, it'd be nice to include it as an optional argument to handle_allocate_error (in cam_abortutils.F90) to be added to the overall error message.

We can parallel @jimmielin 's implementation in CAM-SIMA - https://github.com/ESCOMP/CAM-SIMA/pull/311

Is there anyone in particular you want to be part of this conversation?

No response

Will this change (regression test) answers?

Will you be implementing this enhancement yourself?

Any CAM SE can do this

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