From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS22989 209.51.188.0/24 X-Spam-Status: No, score=-3.7 required=3.0 tests=AWL,BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 673731F8C7 for ; Tue, 22 Jun 2021 15:36:19 +0000 (UTC) Received: from localhost ([::1]:58340 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lviRm-0005L6-1M for normalperson@yhbt.net; Tue, 22 Jun 2021 11:36:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54794) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lviRi-0005KL-DA for bug-gnulib@gnu.org; Tue, 22 Jun 2021 11:36:14 -0400 Received: from air.basealt.ru ([194.107.17.39]:54294) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lviRg-0005gV-FY for bug-gnulib@gnu.org; Tue, 22 Jun 2021 11:36:14 -0400 Received: by air.basealt.ru (Postfix, from userid 490) id B260C58988F; Tue, 22 Jun 2021 15:36:08 +0000 (UTC) Received: from EGORI-MACHINE.malta.altlinux.ru (obninsk.basealt.ru [217.15.195.17]) by air.basealt.ru (Postfix) with ESMTPSA id 3758758988B; Tue, 22 Jun 2021 15:36:07 +0000 (UTC) From: Egor Ignatov To: eggert@cs.ucla.edu Subject: Re: [PATCH] regex: fix match with possessive quantifier Date: Tue, 22 Jun 2021 18:35:58 +0300 Message-Id: <20210622153559.1087338-1-egori@altlinux.org> X-Mailer: git-send-email 2.29.3 In-Reply-To: <32c7255e-2e0d-2671-1641-2d02b13548c0@cs.ucla.edu> References: <32c7255e-2e0d-2671-1641-2d02b13548c0@cs.ucla.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=194.107.17.39; envelope-from=egori@altlinux.org; helo=air.basealt.ru X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: bug-gnulib@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Gnulib discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bug-gnulib@gnu.org Errors-To: bug-gnulib-bounces+normalperson=yhbt.net@gnu.org Sender: "bug-gnulib" > regex_internal.c:1317:7: runtime error: execution reached an unreachable program point > FAIL test-regex (exit status: 1) This problem occurs in this test: '{ "()\\1*\\1*", "", REG_EXTENDED, 2, { { 0, 0 }, { 0, 0 } } }' because proceed_next_node tries to insert an existing element into the set.