From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id E33933858D39; Mon,  5 Jun 2023 03:11:16 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E33933858D39
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1685934676;
	bh=shwjW8WbWcRv6Kc9lAmCgFkDtbxgpFgaFY83Kv9Dfjg=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=ZU63mxYQha7wbbtArxCU2Vi44JMGCabWhZ8b9m2nk4kssAjgJiJi1SM+VYm1LFk9y
	 QWeeIWk1TL0HvUF7IQdoGUEQ4XvfsxvkJuUVwGQlMvGD1AS0uTPmW8FLjoB2DVC5mw
	 jMGpNLBV5X6NbAajWTInht1a47ovRoXgQ+gogBPY=
From: "yongxiangng at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/110057] Missed devirtualization opportunities
Date: Mon, 05 Jun 2023 03:11:15 +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: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: yongxiangng at gmail dot com
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: cc attachments.created
Message-ID: <bug-110057-4-SGlf2FxlJ0@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-110057-4@http.gcc.gnu.org/bugzilla/>
References: <bug-110057-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110057

Ng YongXiang <yongxiangng at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |yongxiangng at gmail dot c=
om

--- Comment #7 from Ng YongXiang <yongxiangng at gmail dot com> ---
Created attachment 55256
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55256&action=3Dedit
Arrays should do non virtual lookup when destructing individual elements

This is a draft patch outlining a possible solution to call non virtual
destructor of elements when arrays are destructed (clang already does this,=
 see
https://godbolt.org/z/f33Gh5EGM).=