From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26561 invoked by alias); 22 Dec 2014 15:03:59 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 26499 invoked by uid 48); 22 Dec 2014 15:03:55 -0000 From: "izamyatin at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/64043] [5 Regression] ICE (segfault) with LTO: in tree_check/tree.h:2758 get_binfo_at_offset/tree.c:11914 Date: Mon, 22 Dec 2014 15:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: izamyatin at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: hubicka at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-12/txt/msg02570.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64043 Igor Zamyatin changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |izamyatin at gmail dot com --- Comment #13 from Igor Zamyatin --- I also see performance degradation for several spec2006 tests after this commit (mostly on FP tests). Eg. on Haswell 433.milc shows ~-7-8% if compiled with "-O3 -flto -funroll-loops -march=core-avx2" Not investigated this so far though