From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTP id 2616F3857401 for ; Tue, 25 May 2021 21:06:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 2616F3857401 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-54-6Sj2NbiXOmeGQw_zmdXLTw-1; Tue, 25 May 2021 17:06:08 -0400 X-MC-Unique: 6Sj2NbiXOmeGQw_zmdXLTw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4DFA91007B02 for ; Tue, 25 May 2021 21:06:07 +0000 (UTC) Received: from localhost (unknown [10.33.37.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0083A61094 for ; Tue, 25 May 2021 21:06:06 +0000 (UTC) Date: Tue, 25 May 2021 22:06:06 +0100 From: Jonathan Wakely To: libstdc++@gcc.gnu.org Subject: Status report for my libstdc++ fork Message-ID: MIME-Version: 1.0 X-Clacks-Overhead: GNU Terry Pratchett X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline X-Spam-Status: No, score=-8.0 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libstdc++@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++ mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 May 2021 21:06:11 -0000 For those interested in the latest and greatest libstdc++, the following changes are present in my gitlab fork of GCC (but not in the FSF tree). The changes include a number of C++23 proposals and a nice performance improvement for std::visit. The fork is at https://gitlab.com/jonathan-wakely/gcc libstdc++: Implement std::clamp with std::min and std::max [PR 96733] libstdc++: Allow visiting inherited variants [PR 90943] libstdc++: Do not allocate a zero-size vector [PR 100153] libstdc++: Use conditional noexcept in std::reverse_iterator [PR 94418] libstdc++: Make std::system_category() recognize Windows error codes libstdc++: Add utility for creating std::error_code from OS errors libstdc++: Add noexcept to common_iterator proxy operators libstdc++: Make move ctor noexcept for fully-dynamic string libstdc++: Optimize std::visit for the common case [PR 78113] libstdc++: Define std::invoke_r from P2136R3 libstdc++: Simplify __normal_iterator converting constructor libstdc++: Add std::__conditional_t alias template libstdc++: Avoid unconditional use of errc::not_supported [PR 99327] libstdc++: Reduce header dependencies for C++20 std::erase [PR92546] libstdc++: Implement LWG 3522 for std::priority_queue libstdc++: Implement LWG 3529 for std::priority_queue libstdc++: Implement LWG 3506 for std::priority_queue libstdc++: Add container adaptor constructors taking iterators [P1425R4] libstdc++: Fix narrowing conversion in std::visit libstdc++: Simplify __throw_out_of_range_fmt for freestanding libstdc++: Implement P1518R2 for container deduction guides libstdc++: Remove useless base classes in pb_db tests libstdc++: Remove unary_function base classes from std::thread tests libstdc++: Make std::jthread support pointers to member functions [PR 100612] libstdc++: Allow stateful allocators in std::list::sort [PR 66742]