[{"id":3684254,"web_url":"http://patchwork.ozlabs.org/comment/3684254/","msgid":"","list_archive_url":null,"date":"2026-04-29T20:45:14","subject":"Re: [PATCH gcc-wwwdocs] gcc-16: document some more libstdc++ changes","submitter":{"id":4329,"url":"http://patchwork.ozlabs.org/api/people/4329/","name":"Jonathan Wakely","email":"jwakely.gcc@gmail.com"},"content":"On Wed, 29 Apr 2026, 20:03 Patrick Palka, wrote:\n\n> OK to push?\n>\n\nOK\n\n\n---\n> htdocs/gcc-16/changes.html | 9 +++++++++\n> 1 file changed, 9 insertions(+)\n>\n> diff --git a/htdocs/gcc-16/changes.html b/htdocs/gcc-16/changes.html\n> index fc100056..269bcc29 100644\n> --- a/htdocs/gcc-16/changes.html\n> +++ b/htdocs/gcc-16/changes.html\n> @@ -354,6 +354,12 @@ struct Affected : E\n> C++17 mode.\n> \n>\n> +
  • \n> + std::regex execution has been rewritten to use a\n> heap-based\n> + stack instead of the system stack, avoiding stack overflows when\n> matching\n> + larger strings.\n> +
    • \n> +\n>
  • Improved support for C++20, including:\n>
      \n>
    • \n> @@ -403,6 +409,9 @@ struct Affected : E\n>
    • \n> ranges::starts_with and ranges::ends_with.\n>
      • \n> +
    • \n> + ranges::shift_left and\n> ranges::shift_right.\n> +
      • \n>
    • std::allocator_traits::allocate_at_least.
      • \n>
    \n>
    • \n> --\n> 2.54.0.rc1.54.g60f07c4f5c\n>\n>","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=qIs7CG/F;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)","sourceware.org;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=qIs7CG/F","sourceware.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","sourceware.org; spf=pass smtp.mailfrom=gmail.com","server2.sourceware.org;\n arc=pass smtp.remote-ip=209.85.167.43"],"Received":["from vm01.sourceware.org (vm01.sourceware.org\n [IPv6:2620:52:6:3111::32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g5TqW1Wtgz1yHX\n\tfor ; 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Wed, 29 Apr 2026\n 13:45:25 -0700 (PDT)","MIME-Version":"1.0","References":"<20260429190307.815668-1-ppalka@redhat.com>","In-Reply-To":"<20260429190307.815668-1-ppalka@redhat.com>","From":"Jonathan Wakely ","Date":"Wed, 29 Apr 2026 21:45:14 +0100","X-Gm-Features":"AVHnY4Jyi0yD322QZSm077AeXFf9FBuu5yNWD8PYYP_ZzXLEqFWo130NuBcjFS0","Message-ID":"\n ","Subject":"Re: [PATCH gcc-wwwdocs] gcc-16: document some more libstdc++ changes","To":"Patrick Palka ","Cc":"gcc-patches , \"libstdc++\" ","Content-Type":"multipart/alternative; boundary=\"000000000000683f8e06509f6dd8\"","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"}}]