From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1CA973857B86; Fri, 15 Mar 2024 15:55:43 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1CA973857B86 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1710518143; bh=ZYG4yUUHA7AhVrEFg4R2NSYhPzQ4IRCI+PPTp8uo7cI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=H/r9b94IzihXpzutxas6p0g3+NO2rpxJsRAPv3CTDygbsrQG8ORV4CR+J5a4CET+q ROwSgCauD9X8J8jQk7es2XwNeCTQPMI96AUGACgulRe3YUDglzgljaZWC7Zs7y1sRp smpaGIBFpHlIwLmT0nXwkBvxIuKy4jg/ucHm4938= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/113396] [13/14 Regression] csmith: differences from -O2 to -O3 Date: Fri, 15 Mar 2024 15:55:41 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: needs-reduction, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: everconfirmed bug_status cf_reconfirmed_on priority 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=3D113396 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |WAITING Last reconfirmed| |2024-03-15 Priority|P1 |P2 --- Comment #11 from Richard Biener --- 13.1 was released and broken, so this can't be P1. It's also still unconfirmed. The last reduced testcase does > ./xgcc -B. t.c > ./a.out=20 ...checksum after hashing : FFFFFFFF6522DF69 Segmentation fault (core dumped) Program received signal SIGSEGV, Segmentation fault. 0x0000000000400792 in main () at t.c:115 115 transparent_crc(g_7[main_i][main_j], ""); (gdb) p main_i $1 =3D -1747789432 so it seems a useless reduction.=