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From: Pedro Alves <palves@redhat.com>
To: Jason Merrill <jason@redhat.com>,
	       gcc-patches List <gcc-patches@gcc.gnu.org>
Cc: Ville Voutilainen <ville.voutilainen@gmail.com>
Subject: Re: C++ PATCH for P0135, C++17 guaranteed copy elision
Date: Wed, 05 Oct 2016 23:16:00 -0000	[thread overview]
Message-ID: <68323906-2179-82c7-98f9-0fd2ddb40ab5@redhat.com> (raw)
In-Reply-To: <CADzB+2nUgkOKbdMM_XXL4e53HQ712TLmRszvwEJQmm591UobaQ@mail.gmail.com>

On 10/05/2016 11:57 PM, Jason Merrill wrote:
> --- a/gcc/c-family/c-opts.c
> +++ b/gcc/c-family/c-opts.c
> @@ -1579,6 +1579,7 @@ set_std_cxx1z (int iso)
>    flag_isoc94 = 1;
>    flag_isoc99 = 1;
>    flag_isoc11 = 1;
> +  flag_elide_constructors = 2;
>    cxx_dialect = cxx1z;
>    lang_hooks.name = "GNU C++14"; /* Pretend C++14 till standarization.  */

Does -fno-elide-constructors have any effect in C++17 mode?
Should it perhaps be an error, or ignored?

Thanks,
Pedro Alves

  reply	other threads:[~2016-10-05 23:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-05 22:57 Jason Merrill
2016-10-05 23:16 ` Pedro Alves [this message]
2016-10-05 23:22   ` Jason Merrill
2016-10-06 21:26     ` Jason Merrill
2016-10-08 16:27       ` Jason Merrill

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