From patchwork Wed Jun 21 16:45:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Polacek X-Patchwork-Id: 111183 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp4501002vqr; Wed, 21 Jun 2023 09:46:34 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ72j+G/QLMANRFirLaKJMjL0VzkRJDmXU+9moJjBF0bsPNO8ETTor/urkKgmODMDZjK/jnF X-Received: by 2002:a17:907:968f:b0:988:b61e:4219 with SMTP id hd15-20020a170907968f00b00988b61e4219mr8312428ejc.29.1687365994619; Wed, 21 Jun 2023 09:46:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1687365994; cv=none; d=google.com; s=arc-20160816; b=sg5BwXts0zAp8HzQpLpM2hmJXxQqnoX38ZFVYGWYxlHrGeLmqnCVRgYuqcOcdL19mQ CXgaPrJDqrIRoQS7WXrCcjZlcdz5f/l9tH2Fkn3SYXq42CzrUA1oSIt9tbp8I3OTduwC RWj6x2WuKCaJdAnSHe4HLhg8d4rVXXnmT7MNKCg4FlA7NeG+LdhE0+DyEnNG7GYlZmd2 vVFpPd9wc32nMfESuRLCLktqo2SV/6DClvjN8kU8+VHcDl4exeyntHNag8a1+9Mb1fh8 Ib0U6b2LIKIgZ9LRhCBUbAIInXgZdV6gQkBuVbyrIE1eHI0/teWqvTbwuh1n1alXMjZZ JPFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:reply-to:from:list-subscribe:list-help:list-post :list-archive:list-unsubscribe:list-id:precedence :content-disposition:user-agent:mime-version:message-id:subject:to :date:dmarc-filter:delivered-to:dkim-signature:dkim-filter; bh=F53cHaR5Y7Mfr5SZ6Rxnaz+CRwDaJyrSoXpeARgHT9s=; b=094k/H6beQY9g6Y4ZT/VlGkd0PWQY0k2RfPRme6/gr/NcW8Li76RRFumCZwqq3OkHK 66erweWUfJ28gMrRzSko0leA/01SN64CuEO4cvbgGPgY1EGNM1J2cnCI4u0VGVdl/E/s Di/+X8VCeEJ8LwTG4BTJEZBdJZ4qL6gVX6N5tlJPhupFZiiqyOROlUox0D3MrJ+27GkQ tWtx/x8XjYuibw06+I55nOJwIkKGuUZ9mA7TcaRpbmT/XDW4/cLX9E7QN21fq6sszKVb Lru4cgVC7Og9RBII8Sknl618O3/VIoWFHExlk0474l5EhMKbd38GUGxuV+Y1JiM+7pcM F+MA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=kk+vXzlL; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from sourceware.org (ip-8-43-85-97.sourceware.org. [8.43.85.97]) by mx.google.com with ESMTPS id n25-20020a1709061d1900b0098759d6f22csi2461605ejh.161.2023.06.21.09.46.34 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jun 2023 09:46:34 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=kk+vXzlL; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 85F3A3858D28 for ; Wed, 21 Jun 2023 16:46:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 85F3A3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1687365993; bh=F53cHaR5Y7Mfr5SZ6Rxnaz+CRwDaJyrSoXpeARgHT9s=; h=Date:To:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=kk+vXzlLlxejT4RjwYQUX/j1fl2r8YDMEiCMeahymTshJdRcubI+uoHpE8NquOmLU 48JjWnE9OV4j6y3Q2VUoWvRFEC70Iyv5ZhZxp1EF4sbTB4dvRsghKtfNZxTNiEqof2 G7rtfdODQchSBFcxWqWvnx94P9JA8mhCugi2DDko= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 77D223858D28 for ; Wed, 21 Jun 2023 16:45:49 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 77D223858D28 Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-625-nLO2p8p2Mri7ejS53MFEpw-1; Wed, 21 Jun 2023 12:45:47 -0400 X-MC-Unique: nLO2p8p2Mri7ejS53MFEpw-1 Received: by mail-qv1-f72.google.com with SMTP id 6a1803df08f44-621257e86daso79513546d6.1 for ; Wed, 21 Jun 2023 09:45:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687365947; x=1689957947; h=user-agent:content-disposition:mime-version:message-id:subject:to :from:date:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=F53cHaR5Y7Mfr5SZ6Rxnaz+CRwDaJyrSoXpeARgHT9s=; b=Itj1Pp9hfyZdB3OFWwqFZQxuKJMNbjfNeZ7JkMcmfnNXUnZAG2fAzDAHL4t3wqnjEH 0imijDlaHdTjfTzwvTpjWmXTQz+jyB6KpHgLECJ4EKBm3EpYdUHPXwI5YP3RAQWrRp8g RpFuk53x6zRmo5ikeGoKEKJpqEsqiU5b9M4Tg2g/ErJwB0KP5pU8AAa1IOFOK0HSJwYO VxuDTqEcFSKEDKFQOUVeBum/RFp9Vvmy9PXXMTkuG4WJgePgICm1MNMtopY0X2vsSEGe oTgkyWUiVnKOO1n+r9hEA8QfWHV8Y6wOAYz2eeBUO+iTNYrD3udE9lI9FK4VdHl4JyCL LwSg== X-Gm-Message-State: AC+VfDw6pup4RBmZUHUVi4yUZ8aJzfVk84863pcygKqUp2Lqpfk9SHjj OGrtkaBJmDjkyUjTZ57I1PQ9LhCJAw0OlSkxA8aZXlHCIzERYLKh5pHN26jdZVT8FvLOmpyV4pS 52VUFbYnEhamqUX+tnsjCu5Ra/kBA0vUxd1kgWqZmeOVzNyF7fYSh2o2zaNh3nu2NJZGSaDlLot Ia X-Received: by 2002:a05:6214:1305:b0:5ef:4254:d6f0 with SMTP id pn5-20020a056214130500b005ef4254d6f0mr24014738qvb.36.1687365946741; Wed, 21 Jun 2023 09:45:46 -0700 (PDT) X-Received: by 2002:a05:6214:1305:b0:5ef:4254:d6f0 with SMTP id pn5-20020a056214130500b005ef4254d6f0mr24014700qvb.36.1687365946140; Wed, 21 Jun 2023 09:45:46 -0700 (PDT) Received: from redhat.com (2603-7000-9500-34a5-0000-0000-0000-1db4.res6.spectrum.com. [2603:7000:9500:34a5::1db4]) by smtp.gmail.com with ESMTPSA id g27-20020a0caadb000000b0063019b482f8sm2685764qvb.85.2023.06.21.09.45.45 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jun 2023 09:45:45 -0700 (PDT) Date: Wed, 21 Jun 2023 12:45:43 -0400 To: GCC Patches Subject: [wwwdocs] cxx-status: Add C++26 papers (Spring 2023, Varna) Message-ID: MIME-Version: 1.0 User-Agent: Mutt/2.2.9 (2022-11-12) X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Marek Polacek via Gcc-patches From: Marek Polacek Reply-To: Marek Polacek Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769331485189093946?= X-GMAIL-MSGID: =?utf-8?q?1769331485189093946?= First C++26 papers started to trickle in. Update our docs accordingly. We don't have -std=c++2c/-std=c++26/-std=gnu++2c/-std=gnu++26 yet, but I should have a patch for it by the end of this week. W3C validated. Pushed. commit 9c66e33761140358d350c5fb2d1638f6afdaead4 Author: Marek Polacek Date: Wed Jun 21 12:41:25 2023 -0400 cxx-status: Add C++26 papers (Spring 2023, Varna) diff --git a/htdocs/projects/cxx-status.html b/htdocs/projects/cxx-status.html index 675fbcd0..99387540 100644 --- a/htdocs/projects/cxx-status.html +++ b/htdocs/projects/cxx-status.html @@ -20,6 +20,7 @@
  • C++17
  • C++20
  • C++23
    • +
  • C++26
  • Technical Specifications
    • @@ -32,6 +33,99 @@ Implementation Status section of the Libstdc++ manual.

    +

    C++26 Support in GCC

    + +

    GCC has experimental support for the next revision of the C++ + standard, which is expected to be published in 2026.

    + + + + +

    C++26 Language Features

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    Language FeatureProposalAvailable in GCC?SD-6 Feature Test
    Remove undefined behavior from lexing P2621R2 (DR) No
    Making non-encodable string literals ill-formed P1854R4 (DR) No
    Unevaluated strings P2361R6 No
    Add @, $, and ` to the basic character set P2558R2 No
    constexpr cast from void* P2738R1 No
    On the ignorability of standard attributes P2552R3 (DR) No
    Static storage for braced initializers P2752R3 (DR) No
    User-generated static_assert messages P2741R3 No
    Placeholder variables with no name P2169R4 No
    +

    C++23 Support in GCC

    GCC has experimental support for the next revision of the C++