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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108384

--- Comment #4 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to David Binderman from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > The code is undefined ...
> >=20
> >   func_23(l_26[1]);
> >=20
> > func_23(struct S0 p_24, struct S0 p_25)
>=20
> Interesting. It looks like the reduction has not preserved the two
> parameters required of func_23.

I suspect a grep pattern could help guide the reduction.
I tried a few patterns, but didn't make any real progress.

Meanwhile, I try a bisection. Trying git hash g:0333892db367b2b9=