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 542643857C67 for ; Fri, 21 May 2021 04:08:05 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 542643857C67 Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-452-cKxHUgnZOFO5Phz3PCGBEw-1; Fri, 21 May 2021 00:08:03 -0400 X-MC-Unique: cKxHUgnZOFO5Phz3PCGBEw-1 Received: by mail-qk1-f197.google.com with SMTP id g184-20020a3784c10000b02902e385de9adaso14875006qkd.3 for ; Thu, 20 May 2021 21:08:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0CFQy4GyH5V+Kv3k6b7EpXhAg1mmiGu2Rre1oX7u8+Q=; b=RXzge2W7eYkELqSMA9EebC31JL+m37Dj+nHGg2xViMhDsQYSRE6YgpHv84P2ZktT22 uO6FffHfO2njGemxO3x16h2I/2gJ+wcw/vARqFDHoq1IV4QpqH3pXBOt4DeaNNPVFJON coCbTKLAOhabryIsn2TiCKihjrBf97A0BT09vLihgiyCqi2i+d+z4pCZdTEyfqrbQEx2 KxpJ3rvzVo2PQxz/sJneyB5hz/KvdywzVFGu+FI2oPReqb8hYshYR9WDywy9sMNYIKtP KpsP9mcaNkBtHa4PCstAaIkrHdoA3X0jpA9A2Z0qfr5aMgc0sDbWZ4MHQXh66rd37o/R K+zw== X-Gm-Message-State: AOAM531pDS6D5XTNG/Wh+Nzx1yUCFo8cnOc3lSky72BoDo/VvE+aLZXP Jj74XSZcVSONyezif0XObtCtQYmPNBVZcezXfYaDImLobMiXP2F6xVDsBg1sFVTI4zj7+1TkujW EljYjKmkcBazj1Lw= X-Received: by 2002:ac8:5751:: with SMTP id 17mr9350927qtx.389.1621570082956; Thu, 20 May 2021 21:08:02 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwy5kKy6IeWzCS8kO11WdpSbXk6dfvSbDeYT2lBT/R7FgQDixxsnZig+ibmR8ozA+LVhADRIg== X-Received: by 2002:ac8:5751:: with SMTP id 17mr9350915qtx.389.1621570082754; Thu, 20 May 2021 21:08:02 -0700 (PDT) Received: from localhost.localdomain (ool-457d493a.dyn.optonline.net. [69.125.73.58]) by smtp.gmail.com with ESMTPSA id s11sm2698619qtn.77.2021.05.20.21.08.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 May 2021 21:08:02 -0700 (PDT) From: Patrick Palka To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Patrick Palka Subject: [committed] libstdc++: Implement LWG 3490 change to drop_while_view::begin() Date: Fri, 21 May 2021 00:07:58 -0400 Message-Id: <20210521040758.3026986-1-ppalka@redhat.com> X-Mailer: git-send-email 2.32.0.rc0 MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" X-Spam-Status: No, score=-16.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, 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: Fri, 21 May 2021 04:08:07 -0000 Tested on x86_64-pc-linux-gnu, committed to trunk as obvious. libstdc++-v3/ChangeLog: PR libstdc++/100606 * include/std/ranges (drop_while_view::begin): Assert the precondition added by LWG 3490. --- libstdc++-v3/include/std/ranges | 1 + 1 file changed, 1 insertion(+) diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges index 767a65c5822..76add252ca6 100644 --- a/libstdc++-v3/include/std/ranges +++ b/libstdc++-v3/include/std/ranges @@ -2190,6 +2190,7 @@ namespace views::__adaptor if (_M_cached_begin._M_has_value()) return _M_cached_begin._M_get(_M_base); + __glibcxx_assert(_M_pred.has_value()); auto __it = __detail::find_if_not(ranges::begin(_M_base), ranges::end(_M_base), std::cref(*_M_pred)); -- 2.32.0.rc0