Change in libffi behaviour -- large struct args

[dancol@dancol.org]

On May 31, 2022 11:53:56 DJ Delorie via Libffi-discuss 
<libffi-discuss@sourceware.org> wrote:

> While this is technically an ABI change, if the "old" ABI never worked,
> I can't see how this would break anything by changing.
>
> I will add that passing structs is likely more complex than you think ;-)

The problem is that whether the old API was broken or not, changing it can 
break working code. What do the libffi people think about using symbol 
versioning?