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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/111540] New: Segmentation fault with '-O3 -fno-dce
 -fno-tree-dce -fno-tree-sra'
Date: Fri, 22 Sep 2023 16:15:27 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111540

            Bug ID: 111540
           Summary: Segmentation fault with '-O3 -fno-dce -fno-tree-dce
                    -fno-tree-sra'
           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 55967
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55967&action=3Dedit
The preprocessed file

***************************************************************************=
****
OS and Platform:
Ubuntu 20.04.4 LTS
***************************************************************************=
****
gcc version:
$ gcc  -v
Using built-in specs.
COLLECT_GCC=3D/home/cuisk/ctc/gcc-releases/gcc-11/bin/gcc
COLLECT_LTO_WRAPPER=3D/home/cuisk/ctc/gcc-releases/gcc-11/libexec/gcc/x86_6=
4-pc-linux-gnu/11.4.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=3D/home/cuisk/ctc/gcc-releases/gcc-11
--disable-multilib --enable-language=3Dc,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 11.4.1 20230921 (GCC)=20
***************************************************************************=
****
Command Lines:
$ gcc -I /home/csmith/include/csmith-2.3.0 -O3 -fno-dce -fno-tree-dce
-fno-tree-sra a.c -o tmp

$ ./tmp
Segmentation fault (core dumped)=