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 371A53858D34; Fri,  5 Apr 2024 17:42:09 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 371A53858D34
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1712338929;
	bh=vTSBQGec8zrZwiE2J/Wj8NBGAHcj7DOWyYdFvHZor2s=;
	h=From:To:Subject:Date:From;
	b=ZDPX5SW3K0s0lyglmgoaFlw4tpJ2RBANLPv1ihXzzJ+j+K3/mG19cqNAEWFvzUCrV
	 xhrP62vi28f+tcXToFfB5CpPqi8JGm5ykclSNdDIckqf+AK1Tam2NZTDfVdK8pkh4M
	 q+X45KEa/8UPaBa1Ajuoq1gvAb/qfgMdGMUHRI5U=
From: "patrick at rivosinc dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/114608] New: [14 Regression] Undefined reference in
 output asm with -fipa-reference -fipa-reference-addressable -fsection-anchors
 -gbtf
Date: Fri, 05 Apr 2024 17:42:08 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: debug
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: patrick at rivosinc 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: bug_id short_desc product version bug_status
 bug_severity priority component assigned_to reporter target_milestone
Message-ID: <bug-114608-4@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=3D114608

            Bug ID: 114608
           Summary: [14 Regression] Undefined reference in output asm with
                    -fipa-reference -fipa-reference-addressable
                    -fsection-anchors -gbtf
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: patrick at rivosinc dot com
  Target Milestone: ---

Program:
static short a[7];
void b() { a[6] =3D 0; }

Compiler flags:
-fipa-reference -fipa-reference-addressable -fsection-anchors -gbtf

Godbolt diff between 13.2 and 14.0:
RISC-V: https://godbolt.org/z/7d1nodoMz
X86: https://godbolt.org/z/YGdej7Y7c

Godbolt showing failure:
RISCV: https://godbolt.org/z/fd3cKP6jM
X86: https://godbolt.org/z/h3WhzK4nG

Found via fuzzer.=