From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1888) id CFE453858D3C; Tue, 12 Oct 2021 18:08:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CFE453858D3C MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Patrick Palka To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r11-9123] libstdc++: Implement LWG 3490 change to drop_while_view::begin() X-Act-Checkin: gcc X-Git-Author: Patrick Palka X-Git-Refname: refs/heads/releases/gcc-11 X-Git-Oldrev: 8104d4fff6202dabcb2eef7406f64d26f97f341d X-Git-Newrev: 0dd0905e2f59c1e8fc1597355f47afb53630cfc9 Message-Id: <20211012180845.CFE453858D3C@sourceware.org> Date: Tue, 12 Oct 2021 18:08:45 +0000 (GMT) X-BeenThere: libstdc++-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Oct 2021 18:08:45 -0000 https://gcc.gnu.org/g:0dd0905e2f59c1e8fc1597355f47afb53630cfc9 commit r11-9123-g0dd0905e2f59c1e8fc1597355f47afb53630cfc9 Author: Patrick Palka Date: Fri May 21 00:05:18 2021 -0400 libstdc++: Implement LWG 3490 change to drop_while_view::begin() libstdc++-v3/ChangeLog: PR libstdc++/100606 * include/std/ranges (drop_while_view::begin): Assert the precondition added by LWG 3490. (cherry picked from commit 11784fe27d879a10dc8a79212c37f50d4f7146f3) Diff: --- 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 3ef352949df..4e01ef57401 100644 --- a/libstdc++-v3/include/std/ranges +++ b/libstdc++-v3/include/std/ranges @@ -2389,6 +2389,7 @@ 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));