From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C1E42386F02C; Thu, 7 Jan 2021 16:52:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C1E42386F02C From: "jamborm at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/50430] Constructors of static external vars are throwed away leading to missed optimizations (and ipa-cp ICE). Date: Thu, 07 Jan 2021 16:52:25 +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: 4.7.0 X-Bugzilla-Keywords: lto, missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: jamborm at gcc dot gnu.org X-Bugzilla-Status: NEW 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jan 2021 16:52:25 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D50430 --- Comment #5 from Martin Jambor --- Am I correct thinking that this has been addressed (long time ago)? The entire optimized dump of the testcase from comment #3 is now the following, so no missed devirtualization there: void _GLOBAL__sub_I_typelib_TypeClass () { [local count: 1073741824]: __ct_comp (&typelib_TypeClass, 0, 1); [tail call] return; }=