From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 42CDF3858D20; Wed, 31 May 2023 19:27:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 42CDF3858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1685561236; bh=00E2Gybl2xD0zjzFfbk9tDemi1ikofjJmCGk3ek9KGo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Pb7RwQaao9yMvaFKuRLUOrXGyxcPy5jYUnAtCfYmq/QtgB3PDeIOwizYVM5Gz1kS1 b0sVM1R24gi0hcKALEETGv+Oc2cPJUmrjmTXt81cgaRcHONOV4+ZRgfNj3HD7Asg7h cCJUNmiOi8VeGwjSYF7DCgZBuRQU9+SIjFZlAA0c= From: "sjames at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/109983] [12/13 regression] Wireshark compilation hangs with -O2 -fipa-pta Date: Wed, 31 May 2023 19:27:15 +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: 14.0 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: sjames at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.4 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=3D109983 --- Comment #16 from Sam James --- (In reply to Richard Biener from comment #9) > My suggestion is to not enable -fipa-pta if you hit such issue or in gene= ral > if you don't know it pays off with a good runtime performance boost. Many thanks richi. I've been telling people this informally but I'll try to make it a bit clearer somewhere as well. We don't recommend using -fipa-pta= but some adventurous users pick it up.=