https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111540
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=55967&action=edit
The preprocessed file
*******************************************************************************
OS and Platform:
Ubuntu 20.04.4 LTS
*******************************************************************************
gcc version:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/home/cuisk/ctc/gcc-releases/gcc-11/bin/gcc
COLLECT_LTO_WRAPPER=/home/cuisk/ctc/gcc-releases/gcc-11/libexec/gcc/x86_64-pc-linux-gnu/11.4.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/cuisk/ctc/gcc-releases/gcc-11
--disable-multilib --enable-language=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 11.4.1 20230921 (GCC)
*******************************************************************************
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)