Hi Stefano,

On 2022-11-17 3:37 p.m., Stefano Rivera wrote:
Hi John (2022.11.16_21:17:59_+0000)

Generally speaking python-cffi test failures point to libffi bugs. So,
I'd start by trying to verify the behaviour of the underlying behaviour
in libffi, from C.
If the python-cffi test checks the passing of structs larger than 8 bytes, then 
maybe there is a problem:
https://github.com/libffi/libffi/issues/749

The hppa libffi code passes these by value.

This seems to have changed in this commit:
commit e4c5d46b0abaa8a12e97f0e0673e3efdda59fab8
Author: Anthony Green <gr...@moxielogic.com>
Date:   Mon Sep 5 12:19:57 2022 -0400

    Pass large structs by value

Dave

--
John David Anglin  dave.ang...@bell.net

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