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[2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id g22-20020aa7d1d6000000b004bf976a1b56si3549972edp.627.2023.03.17.13.37.08 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Mar 2023 13:37:08 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=JoJ8kVs1; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 8B383385087E for ; Fri, 17 Mar 2023 20:36:49 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8B383385087E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1679085409; bh=Nl6hZFwJsayJutTA5abDLe8p3jJ5G4IFDrnoMQlG0Ks=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=JoJ8kVs1LHK3w4u72iouFd6LK+ms0U9H4eot2aO+amwip9ga1LnFnBbZZfPQqC88m QdudaVrJu7ilt9yLlDqOZVtXLT0OR7dET08yAR7f9d0cZ3qFVmOOOt9sf4g3rblrAV 3n0pmUb0FNkTS0e5rruQyK7+vK3RCmZY7JcAPXe4= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id B8ACB385085C for ; Fri, 17 Mar 2023 20:36:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B8ACB385085C Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-595-wi6GyIB1OtaM8R96tseH-w-1; Fri, 17 Mar 2023 16:36:02 -0400 X-MC-Unique: wi6GyIB1OtaM8R96tseH-w-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8A0151C05134; Fri, 17 Mar 2023 20:36:02 +0000 (UTC) Received: from localhost (unknown [10.33.36.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 52AD2140E991; Fri, 17 Mar 2023 20:36:02 +0000 (UTC) To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org Subject: [committed] libstdc++: Add const to hash>::operator() [PR109165] Date: Fri, 17 Mar 2023 20:36:01 +0000 Message-Id: <20230317203601.55027-1-jwakely@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-12.1 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_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jonathan Wakely via Gcc-patches From: Jonathan Wakely Reply-To: Jonathan Wakely Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760648682020830717?= X-GMAIL-MSGID: =?utf-8?q?1760648682020830717?= Tested x86_64-linux. Pushed to trunk. gcc-12 backport needed too. -- >8 -- libstdc++-v3/ChangeLog: PR libstdc++/109165 * include/std/coroutine (hash<>::operator()): Add const. * testsuite/18_support/coroutines/hash.cc: New test. --- libstdc++-v3/include/std/coroutine | 2 +- .../testsuite/18_support/coroutines/hash.cc | 22 +++++++++++++++++++ 2 files changed, 23 insertions(+), 1 deletion(-) create mode 100644 libstdc++-v3/testsuite/18_support/coroutines/hash.cc diff --git a/libstdc++-v3/include/std/coroutine b/libstdc++-v3/include/std/coroutine index f6e65566f10..b0ca18949db 100644 --- a/libstdc++-v3/include/std/coroutine +++ b/libstdc++-v3/include/std/coroutine @@ -345,7 +345,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct hash> { size_t - operator()(const coroutine_handle<_Promise>& __h) noexcept + operator()(const coroutine_handle<_Promise>& __h) const noexcept { return reinterpret_cast(__h.address()); } diff --git a/libstdc++-v3/testsuite/18_support/coroutines/hash.cc b/libstdc++-v3/testsuite/18_support/coroutines/hash.cc new file mode 100644 index 00000000000..68e5e640477 --- /dev/null +++ b/libstdc++-v3/testsuite/18_support/coroutines/hash.cc @@ -0,0 +1,22 @@ +// { dg-options "-std=gnu++2a" } +// { dg-do run { target c++2a } } + +#include +#include + +void +test01() +{ + std::hash h; + std::size_t v = h(std::noop_coroutine()); + + const auto& ch = h; + std::size_t v2 = h(std::noop_coroutine()); // PR libstdc++/109165 + + VERIFY( v2 == v ); +} + +int main() +{ + test01(); +}