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GET /api/1.1/patches/2230247/?format=api
{ "id": 2230247, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230247/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260429141307.1875250-1-jwakely@redhat.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<20260429141307.1875250-1-jwakely@redhat.com>", "date": "2026-04-29T14:11:59", "name": "[committed,gcc-16] libstdc++: Update leap seconds expiry to 2026a value", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "310d47d579ae4abe5a63ae6271deadd7de54e3c2", "submitter": { "id": 48004, "url": "http://patchwork.ozlabs.org/api/1.1/people/48004/?format=api", "name": "Jonathan Wakely", "email": "jwakely@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260429141307.1875250-1-jwakely@redhat.com/mbox/", "series": [ { "id": 502074, "url": "http://patchwork.ozlabs.org/api/1.1/series/502074/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=502074", "date": "2026-04-29T14:11:59", "name": "[committed,gcc-16] libstdc++: Update leap seconds expiry to 2026a value", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502074/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230247/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230247/checks/", "tags": {}, "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\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=eWElZmeZ;\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; 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Wed, 29 Apr 2026 14:13:08 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 340E94BB58C2", "OpenDKIM Filter v2.11.0 sourceware.org A122B4BA798F" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org A122B4BA798F", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org A122B4BA798F", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1777471995; cv=none;\n b=uXjeiWSlBTrC5KXz5p6JrNagpjVhTZxjxLDBTO+xoXYwWM+0QveF2mIj3wws5V2gSOfY/GjICEj3U1MF1QU7fu49MSuA2ISL4i0I1XzFURxlKW5hjTm4oaitWfdUTovdmCUauu4EeGE1gcxwB/0UuWG/Z0FNx4yqNovioDNqbos=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1777471995; c=relaxed/simple;\n bh=uqUL//sNYbRPI/EBziz8H1xoO2Ioe/Xs4u2kFzBzMiE=;\n h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version;\n b=k+k5YaRoDLFXbJH/SckBxtu/ehli1FYEPBLaeoGjKvxS5CrUR/t507Wr/RZ5YDmYK85bafwMvWgyqhpCI2rZuan6eoZaDDBcbtbaETNj5RC1bst5Gv8l9loXbcQ9e6Y/KMCYXPsxzThKn/VwMQ6ts3EI1WQENs4HsSzV6XQIPd4=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1777471995;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding;\n bh=SIPZB/sbuovlThjcd4ntXsa+PBBwwgdauAoht5omwYE=;\n b=eWElZmeZV8ZJsb7ABYJ9CXCFo4MxGEO6G8v5g5hXnjQP1RZWv+tOtuJV19HUnXJobVYj1m\n 1T5vvYH/BZylqjEGNJz6T+yaNmLRn3yZ5vWWSm6LQWUxnlBKIBQq/BKG8a6mLfFPqEq0BD\n YW+VKzkHPiMvJdp4G5ikUPqHhjDaFx8=", "X-MC-Unique": "98WNLKYEO-aOpn5pkHjHzQ-1", "X-Mimecast-MFC-AGG-ID": "98WNLKYEO-aOpn5pkHjHzQ_1777471990", "From": "Jonathan Wakely <jwakely@redhat.com>", "To": "gcc-patches@gcc.gnu.org,\n\tlibstdc++@gcc.gnu.org", "Subject": "[committed,\n gcc-16] libstdc++: Update leap seconds expiry to 2026a value", "Date": "Wed, 29 Apr 2026 15:11:59 +0100", "Message-ID": "<20260429141307.1875250-1-jwakely@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "9PSD8UPqEOxuLNILm-pbJU5Cy2IKWKKH782OqVGFX7c_1777471990", "X-Mimecast-Originator": "redhat.com", "Content-Type": "text/plain", "Content-Transfer-Encoding": "8bit", "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>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "Set the new leap seconds expiry date from the 2026a tzdata release.\n\nThis is a partial backport of r17-57-gb8fd759dc61c0a taking only the\nupdated leapseconds expiry date, not the tzdata.zi changes. Most users\nget tzdata.zi from /usr/share/zoneinfo/tzdata.zi supplied by the OS, so\nthe embedded copy isn't needed. The leap second expiry is hardcoded\nthough so updating the value avoids calling into the shared library for\ndates after 2026-06-28 (and before the new expiry, 2026-12-28).\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/std/chrono (chrono::__detail::__get_leap_second_info):\n\tUpdate expiry date for leap seconds list.\n\t* src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds):\n\tLikewise.\n---\n\nTested x86_64-linux and pushed to the gcc-16 branch (approved by Jakub).\n\n libstdc++-v3/include/std/chrono | 2 +-\n libstdc++-v3/src/c++20/tzdb.cc | 4 ++--\n 2 files changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono\nindex 7c887f56cc23..674f867dcdc7 100644\n--- a/libstdc++-v3/include/std/chrono\n+++ b/libstdc++-v3/include/std/chrono\n@@ -3254,7 +3254,7 @@ namespace __detail\n };\n // The list above is known to be valid until (at least) this date\n // and only contains positive leap seconds.\n- constexpr sys_seconds __expires(1782604800s); // 2026-06-28 00:00:00 UTC\n+ constexpr sys_seconds __expires(1798416000s); // 2026-12-28 00:00:00 UTC\n \n #if _GLIBCXX_USE_CXX11_ABI || ! _GLIBCXX_USE_DUAL_ABI\n if (__ss > __expires)\ndiff --git a/libstdc++-v3/src/c++20/tzdb.cc b/libstdc++-v3/src/c++20/tzdb.cc\nindex eb6ac7d07c72..b0fbfc46a6d3 100644\n--- a/libstdc++-v3/src/c++20/tzdb.cc\n+++ b/libstdc++-v3/src/c++20/tzdb.cc\n@@ -1256,8 +1256,8 @@ namespace std::chrono\n pair<vector<leap_second>, bool>\n tzdb_list::_Node::_S_read_leap_seconds()\n {\n- // This list is valid until at least 2026-06-28 00:00:00 UTC.\n- constexpr auto expires = sys_days{2026y/06/28};\n+ // This list is valid until at least 2026-12-28 00:00:00 UTC.\n+ constexpr auto expires = sys_days{2026y/12/28};\n vector<leap_second> leaps\n {\n (leap_second) 78796800, // 1 Jul 1972\n", "prefixes": [ "committed", "gcc-16" ] }