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Re: [C++ PATCH] PR c++/87051

On Thu, Sep 13, 2018 at 08:58:34PM +0300, Ville Voutilainen wrote:
> On 13 September 2018 at 20:41, Jason Merrill <> wrote:
> >> Okay. Do you think we should have an sfk_kind for non-canonical
> >> copy/move operations? That would presumably make it a tad more straightforward to go from
> >> fndecl to whatever class bits, instead of what's currently there, where we say "yeah I had a fndecl,
> >> now I turned it into an sfk_kind that says it's a copy constructor, but guess which one when you're
> >> deeming its triviality". ;)
> >
> > I suppose it would be possible to have a more detailed sfk_kind for
> > distinguishing between different signatures, but I'm inclined instead
> > to stop using sfk_kind in trivial_fn_p.  Even if having an enumeration
> > is convenient for dispatch (or bitmapping), it doesn't need to be the
> > same enum.
> Yeah, the idea of using a different enum dawned on me straight after
> sending that email. ;)
> I'll give this approach a spin, more bits into the lang_type and a
> different mapping, that way we should indeed
> get correct answers for all cases.

Hi Ville, any updates?


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