Your change to alloc-pool.c

[Jan Hubicka]

> > I am looking into it.  It is latent bug uncovered by my sanity checking.
> 
> Great, thanks.
> 
> It's indeed clearly a latent bug.
> 
> I've opened PR 13888 on this issue, which has been identified as a
> duplicate of PR 13859, which contains a very simple C test case.
> 
> You probably want to use this test case rather than the Ada code.

Yes, it is much better to have C testcase, thanks!
Honza
> 
> Arno