From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 365923858CDB; Mon, 6 Feb 2023 10:14:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 365923858CDB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675678474; bh=GPMQGKZN+ErdHttUt127EmQ7gmalNcDYbzuUCx6yFv8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=HJ5LAyfmN1nBwjCgGvxPrU18WVfjOkm8HF/bFhXj6g3utKRO3WV0VXiquqaTj5bea h07KAMNH0LcX6tQxQmS1wRadppResaugRCnpzkI14zs54hVD3a4Vzhy7eCovUePPsn IEV+N+sMFDqTp/2XgDPE4KZxixXvobs98QPL1GLs= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/108656] [12/13 Regression] '-fcompare-debug' failure (length) w/ -O2 -fno-ipa-pure-const -fno-tree-dce --param early-inlining-insns=0 since r12-5236 Date: Mon, 06 Feb 2023 10:14:33 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: compare-debug-failure X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108656 --- Comment #10 from Jakub Jelinek --- Anyway, if we decided that it is ok to have just the incoming ab edges, we'd need to change any code that can DCE or inline calls to update abnormal edg= es not just for the case where the last stmt used to be can_make_abnormal_goto= and no longer is, but also for the case when the first stmt was returns_twice c= all and no longer is, in that case we'd need to drop that abnormal edge pointin= g to the start of the bb from the .ABNORMAL_DISPATCHER block.=