On Fri, Jan 20, 2017 at 11:12 AM, Nathan Sidwell <nat...@acm.org> wrote: > On 01/20/2017 08:45 AM, Jason Merrill wrote: > >> Hmm, I would guess that if we're going to do this we need to also use >> forward_parm in maybe_thunk_body. > > > Apparently not needed. maybe_thunk_body is called after we've genericized > the parent ctor. That ctor's parms have been bashed to reference and have > DECL_BY_REFERENCE set appropriately. The clone's parms have also been > bashed, but do not have DECL_BY_REFERENCE set. > > For POD struct (which remain as struct T) the backend machinery already > DTRT.
OK, then. Jason
