Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lyKia-0006Wk-M8 for pgsql-hackers@arkaria.postgresql.org; Tue, 29 Jun 2021 20:52:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1lyKiZ-0003hx-De for pgsql-hackers@arkaria.postgresql.org; Tue, 29 Jun 2021 20:52:27 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lyKiZ-0003ho-5x for pgsql-hackers@lists.postgresql.org; Tue, 29 Jun 2021 20:52:27 +0000 Received: from sfr-1.cri.mines-paristech.fr ([77.158.180.225] helo=smtp.cri.ensmp.fr) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lyKiT-0003TT-Sh for pgsql-hackers@lists.postgresql.org; Tue, 29 Jun 2021 20:52:26 +0000 Received: from pseudo (unknown [37.166.150.242]) by smtp.cri.ensmp.fr (Postfix) with ESMTPSA id 1147AC0374; Tue, 29 Jun 2021 22:54:17 +0200 (CEST) Date: Tue, 29 Jun 2021 22:52:16 +0200 (CEST) From: Fabien COELHO X-X-Sender: fabien@pseudo Reply-To: Fabien COELHO To: Tom Lane cc: PostgreSQL Developers Subject: Re: Overflow hazard in pgbench In-Reply-To: Message-ID: References: <73927.1624815543@sss.pgh.pa.us> User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="2056645051-285456686-1624999939=:1771484" List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --2056645051-285456686-1624999939=:1771484 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8BIT Hello Tom, >>> The failure still represents a gcc bug, because we're using -fwrapv which >>> should disable that assumption. >> >> Ok, I'll report it. > > Done at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101254 Fixed at r12-1916-ga96d8d67d0073a7031c0712bc3fb7759417b2125 https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=a96d8d67d0073a7031c0712bc3fb7759417b2125 Just under 10 hours from the bug report… -- Fabien. --2056645051-285456686-1624999939=:1771484--