https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85549
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Martin Jambor from comment #4)
> This is another stupid omission, I forgot that for by-reference aggregate
> values, one has to check the agg_preserved of the jump function.
>
> diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
> index 1b8f335fd32..4f28a55b862 100644
> --- a/gcc/ipa-cp.c
> +++ b/gcc/ipa-cp.c
> @@ -4372,7 +4372,9 @@ find_aggregate_values_for_callers_subset (struct
> cgraph_node *node,
> {
> struct ipa_jump_func *jfunc
> = ipa_get_ith_jump_func (IPA_EDGE_REF (cs), i);
> - if (self_recursive_pass_through_p (cs, jfunc, i))
> + if (self_recursive_pass_through_p (cs, jfunc, i)
> + && (!plats->aggs_by_ref
> + || ipa_get_jf_pass_through_agg_preserved (jfunc)))
> continue;
> inter = intersect_aggregates_with_edge (cs, i, inter);
I can confirm the patch fixes test-suite of the package.
