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[69.118.112.187]) by smtp.gmail.com with ESMTPSA id a15-20020a0cb34f000000b005ef6ba1f4afsm3408178qvf.134.2023.04.24.09.27.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Apr 2023 09:27:30 -0700 (PDT) From: Patrick Palka X-Google-Original-From: Patrick Palka Date: Mon, 24 Apr 2023 12:27:30 -0400 (EDT) To: Jonathan Wakely cc: Jakub Jelinek , "haochen.jiang" , Patrick Palka , "jason@redhat.com" , "gcc-regression@gcc.gnu.org" , "gcc-patches@gcc.gnu.org" , "haochen.jiang@intel.com" Subject: Re: [r14-159 Regression] FAIL: std/ranges/iota/max_size_type.cc execution test on Linux/x86_64 In-Reply-To: Message-ID: <0afbbbd8-3f8a-dc82-832c-8dd315dc6916@idea> References: <202304220330.33M3UOTu3169661@shliclel4214.sh.intel.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/mixed; boundary="8323329-1770608536-1682353650=:620781" X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_NUMSUBJECT,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323329-1770608536-1682353650=:620781 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT On Sun, 23 Apr 2023, Jonathan Wakely wrote: > > > On Saturday, April 22, 2023, Jakub Jelinek wrote: > > On Sat, Apr 22, 2023 at 11:30:24AM +0800, haochen.jiang via Gcc-patches wrote: > >> On Linux/x86_64, > >> > >> 03cebd304955a6b9c5607e09312d77f1307cc98e is the first bad commit > >> commit 03cebd304955a6b9c5607e09312d77f1307cc98e > >> Author: Jason Merrill > >> Date:   Tue Apr 18 21:32:07 2023 -0400 > >> > >>     c++: fix 'unsigned typedef-name' extension [PR108099] > >> > >> caused > >> > >> FAIL: std/ranges/iota/max_size_type.cc execution test > > > > That is mentioned in > > https://gcc.gnu.org/pipermail/gcc-patches/2023-April/616439.html > > as known problem.  I think the test should use std::make_signed > > instead of signed rep_t IIUC we can't portably use make_signed here since __int128 is considered an integral type only in GNU mode and not in strict mode. > > It's already testing non-public implementation details, it could just use #if and use signed __int128 or signed long long as appropriate. Sounds good, patch posted at https://gcc.gnu.org/pipermail/gcc-patches/2023-April/616598.html --8323329-1770608536-1682353650=:620781--