On Wed, Mar 16, 2016 at 9:13 AM, Tom de Vries <tom_devr...@mentor.com> wrote:
> Hi,
>
> this patch fixes lto PR70187, a 6 regression.
>
> We run into an ICE in in possible_polymorphic_call_targets when accessing
> nodes[0]->decl because nodes == vNULL:
> ...
> if (!outer_type->all_derivations_known)
> {
> if (!speculative && final_warning_records
> && TREE_CODE (TREE_TYPE (nodes[0]->decl)) == METHOD_TYPE)
> {
> if (complete
> && nodes.length () == 1
> && warn_suggest_final_types
> && !outer_type->derived_types.length ())
> {
> ...
>
> The patch fixes this by moving the 'nodes.length () == 1' test to before the
> use of nodes[0].
>
> Bootstrapped and reg-tested on x86_64.
>
> OK for stage4 trunk?
Ok (even obvious I think).
Thanks,
Richard.
> Thanks,
> - Tom
