Message ID | 20230321223957.7176-2-kmatsui@cs.washington.edu |
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State | Accepted |
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Tue, 21 Mar 2023 22:40:48 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.132]) by mxout21.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 32LMekke027434 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Mar 2023 15:40:46 -0700 X-Auth-Received: from localhost.localdomain ([10.154.74.245]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 32LMeA6f010010 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 21 Mar 2023 15:40:46 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, ppalka@redhat.com, Ken Matsui <kmatsui@cs.washington.edu> Subject: [PATCH 2/2] libstdc++: use new built-in trait __is_array Date: Tue, 21 Mar 2023 15:39:57 -0700 Message-Id: <20230321223957.7176-2-kmatsui@cs.washington.edu> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230321223957.7176-1-kmatsui@cs.washington.edu> References: <20230321223957.7176-1-kmatsui@cs.washington.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: coojo0-DY1yLM7wOy_ebh7-L_cecKgcE X-Proofpoint-GUID: coojo0-DY1yLM7wOy_ebh7-L_cecKgcE X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-21_11,2023-03-21_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 mlxscore=0 phishscore=0 mlxlogscore=779 clxscore=1015 priorityscore=1501 spamscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303150002 definitions=main-2303210180 X-Spam-Status: No, score=-14.6 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, 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 <gcc-patches.gcc.gnu.org> List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-patches>, <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe> List-Archive: <https://gcc.gnu.org/pipermail/gcc-patches/> List-Post: <mailto:gcc-patches@gcc.gnu.org> List-Help: <mailto:gcc-patches-request@gcc.gnu.org?subject=help> List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-patches>, <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe> From: Ken Matsui via Gcc-patches <gcc-patches@gcc.gnu.org> Reply-To: Ken Matsui <kmatsui@cs.washington.edu> Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" <gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org> X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1761019005850603344?= X-GMAIL-MSGID: =?utf-8?q?1761019005850603344?= |
Series |
[1/2] c++: implement __is_array built-in trait
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Checks
Context | Check | Description |
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snail/gcc-patch-check | success | Github commit url |
Commit Message
Ken Matsui
March 21, 2023, 10:39 p.m. UTC
This patch lets libstdc++ use new built-in trait __is_array. libstdc++-v3/ChangeLog: * include/std/type_traits (is_array): Use __is_array built-in trait. --- libstdc++-v3/include/std/type_traits | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 2bd607a8b8f..a9b1a6eb62a 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -503,6 +503,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// is_array +#if __has_builtin(__is_array) + template<typename _Tp> + struct is_array + : public __bool_constant<__is_array(_Tp)> + { }; +#else template<typename> struct is_array : public false_type { }; @@ -514,6 +520,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _Tp> struct is_array<_Tp[]> : public true_type { }; +#endif template<typename> struct __is_pointer_helper