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{ "id": 2226652, "url": "http://patchwork.ozlabs.org/api/covers/2226652/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/cover/bmm.hhuns4iz5m.gcc.gcc-TEST.redi.38.1.0@forge-stage.sourceware.org/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<bmm.hhuns4iz5m.gcc.gcc-TEST.redi.38.1.0@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T18:00:20", "name": "[v1,0/1] libstdc++: Simplify __memcpyable_iterators concept", "submitter": { "id": 93210, "url": "http://patchwork.ozlabs.org/api/people/93210/?format=api", "name": "Jonathan Wakely via Sourceware Forge", "email": "forge-bot+redi@forge-stage.sourceware.org" }, "mbox": "http://patchwork.ozlabs.org/project/gcc/cover/bmm.hhuns4iz5m.gcc.gcc-TEST.redi.38.1.0@forge-stage.sourceware.org/mbox/", "series": [ { "id": 501059, "url": "http://patchwork.ozlabs.org/api/series/501059/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=501059", "date": "2026-04-22T18:00:20", "name": "libstdc++: Simplify __memcpyable_iterators concept", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501059/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2226652/comments/", "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "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 spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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Wed, 22 Apr 2026 18:01:40 +0000 (GMT)", "from forge-stage.sourceware.org (localhost [IPv6:::1])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256)\n (No client certificate requested)\n by forge-stage.sourceware.org (Postfix) with ESMTPS id E924342C12\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 18:01:39 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org B05DA4BBC0B4", "OpenDKIM Filter v2.11.0 sourceware.org 205C14B92092" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 205C14B92092", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 205C14B92092", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776880900; cv=none;\n b=MXjQvoXk3L8NGAGQdHDehiH6fC7w/xqnEVjVAYzIiAAlc7y8KPn3H80wQYkdRwQ2htORuDSRrwucgNRPoy3EJpuXgVnP6UFbTxgkw3//fcXHbIpSLvYGg5Vu7lt3iklmoB+KZawnceIjMzaX7anPwPHS11BHfOmqMIhu8TamodY=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776880900; c=relaxed/simple;\n bh=EmviE2Yq04ocp43VW1WT1ZE6NqlXI9vulond/cyj+iY=;\n h=From:Date:Subject:To:Message-ID;\n b=ohRH+2ascfcDdXU3vQe6E4cbsmsrIAl/AugDv57S4devv/f51Xz/NL9ki49rf1KflY7Pb80GMdNzApY46wnYHehwoLLdrP+hvSmwiAOpzQzBRBMhTyM0cyARkHvAN2n8t6bKaphp+iqLpLDJ2QA8OOqXHYnOrt4+DD9FmSTsniA=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "From": "Jonathan Wakely via Sourceware Forge\n <forge-bot+redi@forge-stage.sourceware.org>", "Date": "Wed, 22 Apr 2026 18:00:20 +0000", "Subject": "[PATCH v1 0/1] libstdc++: Simplify __memcpyable_iterators concept", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhuns4iz5m.gcc.gcc-TEST.redi.38.1.0@forge-stage.sourceware.org>", "X-Mailer": "batrachomyomachia", "X-Pull-Request-Organization": "gcc", "X-Pull-Request-Repository": "gcc-TEST", "X-Pull-Request": "https://forge.sourceware.org/gcc/gcc-TEST/pulls/38", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Reply-To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>, redi@gcc.gnu.org", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "Hi gcc-patches mailing list,\nJonathan Wakely via Sourceware Forge <forge-bot+redi@forge-stage.sourceware.org> has requested that the following forgejo pull request\nbe published on the mailing list.\n\nCreated on: 2025-03-06 20:18:08+00:00\nLatest update: 2025-08-13 03:38:33+00:00\nChanges: 4 changed files, 276 additions, 25 deletions\nHead revision: redi/gcc ref lower-contiguous-iterators commit d8b1644caadc53641de5c970761be157c8a9ab8f\nBase revision: gcc/gcc-TEST ref trunk commit 9f40ec15a30a248d72c496614d7bcbaa9be8ca49 r15-7885-g9f40ec15a30a24\nMerge base: 9f40ec15a30a248d72c496614d7bcbaa9be8ca49\nFull diff url: https://forge.sourceware.org/gcc/gcc-TEST/pulls/38.diff\nDiscussion: https://forge.sourceware.org/gcc/gcc-TEST/pulls/38\nRequested Reviewers:\n\nMy [P3349R1](https://wg21.link/P3349R1) paper clarifies that we should be able to lower contiguous\niterators to pointers, without worrying about side effects of individual\nincrement or dereference operations.\n\n```\nlibstdc++-v3/ChangeLog:\n\n\t* include/bits/stl_algobase.h (__nothrow_contiguous_iterator):\n\tRemove.\n\t(__memcpyable_iterators): Simplify.\n```\n\n\nChanged files:\n- A: libstdc++-v3/testsuite/25_algorithms/copy/contiguous.cc\n- A: libstdc++-v3/testsuite/25_algorithms/copy_backward/contiguous.cc\n- A: libstdc++-v3/testsuite/25_algorithms/copy_n/contiguous.cc\n- M: libstdc++-v3/include/bits/stl_algobase.h\n\n\nJonathan Wakely (1):\n libstdc++: Simplify __memcpyable_iterators concept\n\n libstdc++-v3/include/bits/stl_algobase.h | 39 +++-----\n .../25_algorithms/copy/contiguous.cc | 87 ++++++++++++++++++\n .../25_algorithms/copy_backward/contiguous.cc | 88 +++++++++++++++++++\n .../25_algorithms/copy_n/contiguous.cc | 87 ++++++++++++++++++\n 4 files changed, 276 insertions(+), 25 deletions(-)\n create mode 100644 libstdc++-v3/testsuite/25_algorithms/copy/contiguous.cc\n create mode 100644 libstdc++-v3/testsuite/25_algorithms/copy_backward/contiguous.cc\n create mode 100644 libstdc++-v3/testsuite/25_algorithms/copy_n/contiguous.cc" }