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From: "19373742 at buaa dot edu.cn" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/110294] New: Segmentation fault with '-O3  -fno-dce
 -fno-toplevel-reorder -fno-tree-dce -fno-tree-pta -fno-tree-sink
 -ftoplevel-reorder'
Date: Sat, 17 Jun 2023 04:49:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110294

            Bug ID: 110294
           Summary: Segmentation fault with '-O3  -fno-dce
                    -fno-toplevel-reorder -fno-tree-dce -fno-tree-pta
                    -fno-tree-sink -ftoplevel-reorder'
           Product: gcc
           Version: 11.4.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 19373742 at buaa dot edu.cn
  Target Milestone: ---

Created attachment 55352
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55352&action=3Dedit
The preprocessed file

***************************************************************************=
****
OS and Platform:
CentOS Linux release 7.9.2009 (Core), x86_64 GNU/Linux
***************************************************************************=
****
gcc version:

# /home/gcc-releases/gcc-11-0615/bin/gcc -v
Using built-in specs.
COLLECT_GCC=3D/home/gcc-releases/gcc-11-0615/bin/gcc
COLLECT_LTO_WRAPPER=3D/home/gcc-releases/gcc-11-0615/libexec/gcc/x86_64-pc-=
linux-gnu/11.4.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=3D/home/gcc-releases/gcc-11-0615/
--disable-multilib --enable-languages=3Dc,c++
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.4.1 20230615 (GCC)
***************************************************************************=
****
Command Lines:

# /home/gcc-releases/gcc-11-0615/bin/gcc -I
/home/csmith_record/include/csmith-2.3.0/  -O3  -fno-dce -fno-toplevel-reor=
der
-fno-tree-dce -fno-tree-pta -fno-tree-sink  -ftoplevel-reorder -save-temps =
f.c
-o f.o

# ./f.o
Segmentation fault

# /home/gcc-releases/gcc-11-0615/bin/gcc -I
/home/csmith_record/include/csmith-2.3.0/  -O3  f.c -o f2.o

# ./f2.o
checksum =3D E1BE9725=