https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112822
--- Comment #7 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Martin Jambor from comment #5)
> diff --git a/gcc/tree-sra.cc b/gcc/tree-sra.cc
> index 3bd0c7a9af0..99a1b0a6d17 100644
> --- a/gcc/tree-sra.cc
> +++ b/gcc/tree-sra.cc
> @@ -4219,11 +4219,15 @@ load_assign_lhs_subreplacements (struct access *lacc,
> if (racc && racc->grp_to_be_replaced)
> {
> rhs = get_access_replacement (racc);
> + bool vce = false;
> if (!useless_type_conversion_p (lacc->type, racc->type))
> - rhs = fold_build1_loc (sad->loc, VIEW_CONVERT_EXPR,
> - lacc->type, rhs);
> + {
> + rhs = fold_build1_loc (sad->loc, VIEW_CONVERT_EXPR,
> + lacc->type, rhs);
> + vce = true;
> + }
>
> - if (racc->grp_partial_lhs && lacc->grp_partial_lhs)
> + if (lacc->grp_partial_lhs && (vce || racc->grp_partial_lhs))
> rhs = force_gimple_operand_gsi (&sad->old_gsi, rhs, true,
> NULL_TREE, true,
> GSI_SAME_STMT);
> }
This fixes the ICE on the large original test case and the smaller test cases.
I'll bootstrap and regtest it and report back on the results.
