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Re: [v3 PATCH] Avoid endless run-time recursion for copying single-element tuples where the element type is by-value constructible from any type

From: Jonathan Wakely <jwakely at redhat dot com>
To: Ville Voutilainen <ville dot voutilainen at gmail dot com>
Cc: libstdc++ <libstdc++ at gcc dot gnu dot org>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Mon, 9 May 2016 11:59:53 +0100
Subject: Re: [v3 PATCH] Avoid endless run-time recursion for copying single-element tuples where the element type is by-value constructible from any type
Authentication-results: sourceware.org; auth=none
References: <CAFk2RUbNSFqrX5kuEK-yd14verEu=ttGiq-Njm5=UhyMchvJVg at mail dot gmail dot com> <20160509093115 dot GF27545 at redhat dot com> <CAFk2RUYHNNPBvCLdJuu8JOHL4WKJ7S6Fche++bWVgxkfnYvXxA at mail dot gmail dot com>

On 09/05/16 13:41 +0300, Ville Voutilainen wrote:

On 9 May 2016 at 12:31, Jonathan Wakely <jwakely@redhat.com> wrote:

On 08/05/16 14:43 +0300, Ville Voutilainen wrote:


Tested on Linux-PPC64.



OK for trunk, and we should backport to gcc-6-branch (and
gcc-5-branch?) soon.



gcc-5-branch doesn't have the "Improving pair and tuple"
implementation at all yet, afaik.


OK, I couldn't remember when those changes happened.

I'm somewhat hesitant to backport all that.


Yes, let's not do that. So this fix is only needed for gcc-6.

References:
- [v3 PATCH] Avoid endless run-time recursion for copying single-element tuples where the element type is by-value constructible from any type
  - From: Ville Voutilainen
- Re: [v3 PATCH] Avoid endless run-time recursion for copying single-element tuples where the element type is by-value constructible from any type
  - From: Jonathan Wakely
- Re: [v3 PATCH] Avoid endless run-time recursion for copying single-element tuples where the element type is by-value constructible from any type
  - From: Ville Voutilainen

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