From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D62FD3882111; Tue, 18 Jun 2024 07:20:28 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D62FD3882111 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1718695228; bh=t9bGoiQbz2/w4gmDtCvEV7RuiZ7XJOtGmP5lbb18j2M=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RuxDGXG3wTTvZl/ss4KEtIzzBf4zHjdQu8NmRUyiS/anSkNQ+0RVmh77C5531z+no Yv+eatsFRGkwMJMKUfDC2fBcZUMlcoKMZT+GQQlTXpTcMIPd00yfpJyyzy5WMKz6In Ww2aOGtO7TF3RsH8E2+wEt0/ftiFQbciEyL0htAY= From: "sjames at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/115533] [12/13/14/15 regression] flac miscompiled with -O3 -march=znver2 -fipa-pta -fno-vect-cost-model Date: Tue, 18 Jun 2024 07:20:28 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: unknown X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: sjames at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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=3D115533 --- Comment #1 from Sam James --- * Adding optimize("O2") or O0 to ReallocateWindowBuffer fixes it (it's a realloc wrapper) * We go wrong in analyzeResult and return a bogus result=