From patchwork Mon Mar 20 02:53:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 66625 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 129543858033 for ; Mon, 20 Mar 2023 02:54:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 129543858033 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1679280841; bh=sWLkDCM5fosUPmc8Rk2lBhJ6DLVv5LccqGLyr/3nvTs=; h=Date:Subject:To:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=d+E1S6F5hE5bnW/7rp4tkNBdvKy7yk0LPVyYmFwT+319FfJwXd4wB7qExl1JY8sTt 6U4Vs09PO02Vigw7ga155V5Pcso5E+0hfpkAyWJoyG0wVhKYhBjF0EmQEy26zaxIrt It3HTzhecTLcDnK/OrOu8fOTPTa0cwka+JGkqke4= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-vs1-xe33.google.com (mail-vs1-xe33.google.com [IPv6:2607:f8b0:4864:20::e33]) by sourceware.org (Postfix) with ESMTPS id CD49D3858C53 for ; Mon, 20 Mar 2023 02:53:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org CD49D3858C53 Received: by mail-vs1-xe33.google.com with SMTP id d2so3057106vso.9 for ; Sun, 19 Mar 2023 19:53:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679280810; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=sWLkDCM5fosUPmc8Rk2lBhJ6DLVv5LccqGLyr/3nvTs=; b=R6llUzKS4CuNXUjpmg5uRTpiYRKsrFXzOhP9eN6PFJqr/N4mBd0Y0HS/uxFXEqy4i1 akKcgIXf9aySYax9d7rQyFzumykKnJKP0LCP1PKhsTswyP8Q3ccdtKNrZ4cHSo0piPAT dowsRoehkeFo9dBe4KQY+qqQVN+Twq5osNkdmfnLCpft2C7AOfrq1278ugppJFzHIlts 8uJV4Zfa0336KRLcargcBJeDaFORTnzr2e5SYPDJfpOuZE8EFURw4EYaRdzFTEzx8lXR wOD20wIKfl4V5sLHFLqF7XpdhNJ2iuoDHOBdmQqMbSFWFbFJke7UeVKfH8C4dnzhsWlq KRFQ== X-Gm-Message-State: AO0yUKVYEexSTrwdhu8EHFNmNVxnouz3KRKmVe3HtFcnsjpOkbMdRZ8s Ze7FT4tQ7W7IE3Ep8yxS54Vplj0hhRpKdV7ntOxU/Jk8ayvNq/50DG0= X-Google-Smtp-Source: AK7set/eKG61MyutKPaHSV7aJqZ+NnLIN8FZC2+9tcfg+8bL7jchRTvY5ybHWt/CDP/Ak+aNymnhhI10M+prirHRgtQ= X-Received: by 2002:a67:d289:0:b0:425:e8fe:f59b with SMTP id z9-20020a67d289000000b00425e8fef59bmr3128283vsi.6.1679280809893; Sun, 19 Mar 2023 19:53:29 -0700 (PDT) MIME-Version: 1.0 Date: Sun, 19 Mar 2023 19:53:19 -0700 Message-ID: Subject: [PATCH] libstdc++: use new built-in trait __remove_pointer To: gcc-patches@gcc.gnu.org Cc: Patrick Palka X-Spam-Status: No, score=-10.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham 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: Ken Matsui via Gcc-patches From: Ken Matsui Reply-To: Ken Matsui Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" libstdc++-v3/ChangeLog: * include/std/type_traits (is_reference): Use __remove_pointer built-in trait. diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 2bd607a8b8f..cba98091aad 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -2025,17 +2025,23 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template struct __remove_pointer_helper - { typedef _Tp type; }; + { using type = _Tp; }; template struct __remove_pointer_helper<_Tp, _Up*> - { typedef _Up type; }; + { using type = _Up; }; /// remove_pointer +#if __has_builtin(__remove_pointer) + template + struct remove_pointer + { using type = __remove_pointer(_Tp); }; +#else template struct remove_pointer : public __remove_pointer_helper<_Tp, __remove_cv_t<_Tp>> { }; +#endif template struct __add_pointer_helper