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[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 <ville dot voutilainen at gmail dot com>
To: "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: Sun, 8 May 2016 14:43:41 +0300
Subject: [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

Tested on Linux-PPC64.

2016-05-08  Ville Voutilainen  <ville.voutilainen@gmail.com>

    Avoid endless run-time recursion for copying single-element
    tuples where the element type is by-value constructible
    from any type.
     * include/std/tuple (_TC<>::_NotSameTuple): New.
     * include/std/tuple (tuple(_UElements&&...): Use it.
    * testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc: New.

Attachment: stl-tuple-issue.diff
Description: Text document

Follow-Ups:
- 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: Daniel KrÃgler
- 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

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