From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E2A4A3858C52; Thu, 19 Jan 2023 04:18:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E2A4A3858C52 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674101927; bh=3wl9ITJ+6WXRkip7G3zKf6TKaEANy9r9PjA+lDufRhc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=y0yVjyrtR8ENba+GHUl3okcbqdt0wWkxhVGqM5SznWkSNMfRMtmpk/KRk8vksYlUY 4XlUOdwmsC/1zX0x23cF2e0DJsvZDD1OtA0fkdJMMIGUWcVaG25XmylrvN5RjVtHR/ IOgBcFkGTkseztPkT+1Xwp/HC9SkqOCBBoj8t+Ww= From: "aoliva at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/106746] [13 Regression] '-fcompare-debug' failure (length) with -O2 -fsched2-use-superblocks since r13-2041-g6624ad73064de241 Date: Thu, 19 Jan 2023 04:18:47 +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: aoliva at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 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=3D106746 --- Comment #20 from Alexandre Oliva --- The bug is now either fixed or latent in the trunk, I'm not sure which, bec= ause I have not got as far as figuring out why removing unnecessary address csel= ib lookups in debug insns made a difference to memory overlap checks between nondebug insns. So I'm not sure whether to close this PR or leave it open.= =20 Thoughts?=