From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 693DF3858C66; Mon, 16 Jan 2023 21:20:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 693DF3858C66 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1673904044; bh=jmM/R+9uO6/KpOYLq84/Wmdr71HhHVydXYa3A6Z2h/M=; h=From:To:Subject:Date:In-Reply-To:References:From; b=DvpTkNGjrot/7na9pjNzfPtZ53UWmY+erAu3B4j2MK/AIGprVV2eRMQ+p1APBoiYX QDLN0qe9PxDrmmszCsfPL/ESI9i++zWjUR34gnfLDK4em2fgUa/4SSEJ+j04g2rl75 NFLL+gXR6+7yUzHk60uD2psmmg5KX7dH4edCvpQo= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/105769] [11/12/13 Regression] program segmentation fault with -ftree-vectorize and nested lambdas Date: Mon, 16 Jan 2023 21:20:43 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 11.2.1 X-Bugzilla-Keywords: needs-bisection, wrong-code 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: 11.4 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=3D105769 --- Comment #7 from Jakub Jelinek --- Ah, the crash is actually when destructing the map_t temporary (D.5613) and because it shares the stack slot with bias, it isn't surprising. So now to figure out why the stack sharing happens and why even -fstack-reuse=3Dnone doesn't help.=