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 1663C385C6DE; Wed, 22 Nov 2023 09:44:28 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1663C385C6DE
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1700646268;
	bh=Ly8mzB2rmaZMNmz3amIDU8XnfFmW5GamoqbGTtbddo0=;
	h=From:To:Subject:Date:From;
	b=v4+isJc2IpUQu4K/23iyYiqmSfoUcbZgwW+xKZJQ5RXYhmHqVgxUfu8XKlktfmf0t
	 /yNjMp5oMcejN4iDDJ9aBzcyLEoW8d9UXXBAV4mnknO+YgPyqsTsc8t8cwiLGV8EgH
	 HJ4AfkRDBAY60xDAsFPKf6+x95Q1rmjx6h3dwgTI=
From: "fkastl at suse dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/112668] New: ICE in bitintlower0 while compiling
 bitint-42.c
Date: Wed, 22 Nov 2023 09:44:27 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: fkastl at suse dot cz
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
 keywords bug_severity priority component assigned_to reporter
 target_milestone cf_gcchost cf_gcctarget
Message-ID: <bug-112668-4@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=3D112668

            Bug ID: 112668
           Summary: ICE in bitintlower0 while compiling bitint-42.c
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: fkastl at suse dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Compiling the bitint-42.c file from testsuite:

gcc -fnon-call-exceptions src/gcc/testsuite/gcc.dg/torture/bitint-42.c

results in:

during GIMPLE pass: bitintlower0=20=20=20=20=20=20=20
/home/fkastl/gcc/src/gcc/testsuite/gcc.dg/torture/bitint-42.c: In function
=E2=80=98main=E2=80=99:=20=20=20=20=20=20=20
/home/fkastl/gcc/src/gcc/testsuite/gcc.dg/torture/bitint-42.c:50:1: internal
compiler error: Segmentation fault=20=20=20=20=20=20=20
   50 | main ()=20=20=20=20=20=20=20
      | ^~~~=20=20=20=20=20=20=20
0x100d5bf crash_signal=20=20=20=20=20=20=20
        ../../src/gcc/toplev.cc:316=20=20=20=20
0x10d607e add_phi_arg(gphi*, tree_node*, edge_def*, unsigned int)=20=20=20=
=20=20=20=20
        ../../src/gcc/tree-phinodes.cc:358=20=20=20=20
0x1e22438 prepare_data_in_out=20=20=20=20=20=20=20
        ../../src/gcc/gimple-lower-bitint.cc:1036=20=20=20=20
0x1e323c6 handle_load=20=20=20=20=20=20=20
        ../../src/gcc/gimple-lower-bitint.cc:1695=20=20=20=20
0x1e323c6 handle_stmt=20=20=20=20=20=20=20
        ../../src/gcc/gimple-lower-bitint.cc:1876=20=20=20=20
0x1e33bc4 lower_mergeable_stmt=20=20=20=20=20=20=20
        ../../src/gcc/gimple-lower-bitint.cc:2406=20=20=20=20
0x1e3811d lower_stmt=20=20=20=20=20=20=20
        ../../src/gcc/gimple-lower-bitint.cc:5216=20=20=20=20
0x1e39dbd gimple_lower_bitint=20=20=20=20=20=20=20
        ../../src/gcc/gimple-lower-bitint.cc:6296=20=20=20=20
Please submit a full bug report, with preprocessed source.=20=20=20=20=20=
=20=20
Please include the complete backtrace with any bug report.=20=20=20=20=20=
=20=20
See <https://gcc.gnu.org/bugs/> for instructions.

Compiler configuration (nothing non-standard):

Target: x86_64-pc-linux-gnu=20=20=20=20=20=20=20
Configured with: ../src/configure --enable-checking --disable-bootstrap
--disable-libsanitizer : (reconfigured) ../src/configure --enable-checking
--disable-bootstrap --disable-libsanitizer : (reconfigured) ../src/configure
--enable-checking --disable-bootstrap --disable-libsanitizer
--enable-languages=3Dc,c++,fortran,lto,objc --no-create --no-recursion=20=
=20=20
Thread model: posix=20=20=20=20=20=20=20
Supported LTO compression algorithms: zlib zstd=20=20=20=20=20=20=20
gcc version 14.0.0 20231122 (experimental) (GCC)=