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 A37AA3858D35; Fri, 31 Jul 2020 19:56:03 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A37AA3858D35
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1596225363;
 bh=sUu8+nIM4ObC6cTJHgz2ULZPMf8AR3fFMMfPw554hrk=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=ujRUYeg2YGd+aqTZ4kA+C6Mcm0+35TL4nhaV41eJSZIk5T7CJzRJi5777TR6WPYez
 Dm+Tk/WmiIxPJQCx3oegiTfoRxNF2BnQuu+8qxDBjH9jJyx7w7887MNbNztGRXMp3T
 mW6iVfHewjc5Q75Mkt507AncypGKg2Ux10P7u1Ak=
From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/96385] GCC generates separate debug info with undefined
 symbols without relocations
Date: Fri, 31 Jul 2020 19:56:03 +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: 10.2.1
X-Bugzilla-Keywords: lto, wrong-debug
X-Bugzilla-Severity: normal
X-Bugzilla-Who: hjl.tools at gmail dot com
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: <bug-96385-4-isZVwBqIqH@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-96385-4@http.gcc.gnu.org/bugzilla/>
References: <bug-96385-4@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
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Fri, 31 Jul 2020 19:56:03 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96385

--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
The original pr26324a.o debug info contains reference to xxx.  But reference
to xxx has been removed by LTO.  simple_object_copy_lto_debug_sections fails
to remove the un-referenced symbol, xxx, from symbol table.=