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 [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 2A1983987813 for ; Thu, 29 Oct 2020 22:52:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 2A1983987813 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-459-3Aghr8oIMvalCVvF9Ags6A-1; Thu, 29 Oct 2020 18:52:14 -0400 X-MC-Unique: 3Aghr8oIMvalCVvF9Ags6A-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 96F33184217A; Thu, 29 Oct 2020 22:52:13 +0000 (UTC) Received: from localhost (unknown [10.33.36.7]) by smtp.corp.redhat.com (Postfix) with ESMTP id 33EAD6EF68; Thu, 29 Oct 2020 22:52:13 +0000 (UTC) Date: Thu, 29 Oct 2020 22:52:12 +0000 From: Jonathan Wakely To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org Subject: [committed] libstdc++: Avoid narrowing conversion in subrange constructor Message-ID: <20201029225212.GA2466134@redhat.com> MIME-Version: 1.0 X-Clacks-Overhead: GNU Terry Pratchett X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/mixed; boundary="KsGdsel6WgEHnImy" Content-Disposition: inline X-Spam-Status: No, score=-14.2 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_NONE, 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: Thu, 29 Oct 2020 22:52:18 -0000 --KsGdsel6WgEHnImy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline libstdc++-v3/ChangeLog: * include/bits/ranges_util.h (subrange::subrange(R&&)): Use direct-initialization instead of list-initialization, so a potential narrowing conversion from ranges::size(r) to the stored size isn't ill-formed. Tested powerpc64le-linux. Committed to trunk. --KsGdsel6WgEHnImy Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="patch.txt" commit a55cda891d69b5a238d2e237903829995ca7249c Author: Jonathan Wakely Date: Thu Oct 29 22:47:22 2020 libstdc++: Avoid narrowing conversion in subrange constructor libstdc++-v3/ChangeLog: * include/bits/ranges_util.h (subrange::subrange(R&&)): Use direct-initialization instead of list-initialization, so a potential narrowing conversion from ranges::size(r) to the stored size isn't ill-formed. diff --git a/libstdc++-v3/include/bits/ranges_util.h b/libstdc++-v3/include/bits/ranges_util.h index cc50e2ad4e4..416c3346254 100644 --- a/libstdc++-v3/include/bits/ranges_util.h +++ b/libstdc++-v3/include/bits/ranges_util.h @@ -247,7 +247,7 @@ namespace ranges && convertible_to, _Sent> constexpr subrange(_Rng&& __r) requires _S_store_size && sized_range<_Rng> - : subrange{__r, ranges::size(__r)} + : subrange(__r, ranges::size(__r)) { } template<__detail::__not_same_as _Rng> --KsGdsel6WgEHnImy--