https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110721
Bug ID: 110721
Summary: Segmentation fault with '-O3 -fno-dce -fno-ipa-cp
-fno-tree-dce -fno-tree-sink'
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 55570
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55570&action=edit
The preprocessed file
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OS and Platform:
CentOS Linux release 7.9.2009 (Core), x86_64 GNU/Linux
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gcc version:
gcc -v
Using built-in specs.
COLLECT_GCC=/home/new-gcc/gcc-11-0713/bin/gcc
COLLECT_LTO_WRAPPER=/home/new-gcc/gcc-11-0713/libexec/gcc/x86_64-pc-linux-gnu/11.4.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/new-gcc/gcc-11-0713/
--disable-multilib --enable-languae=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.4.1 20230713 (GCC)
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Command Lines:
# /home/new-gcc/gcc-11-0713/bin/gcc -I /home/csmith/include/csmith-2.3.0/ -O3
-fno-dce -fno-ipa-cp -fno-tree-dce -fno-tree-sink ecn.c -o ecn.o
#/home/new-gcc/gcc-11-0713/bin/gcc -I /home/csmith/include/csmith-2.3.0/ ecn.c
-o ecn2.o
# ./ecn.o
Segmentation fault
# ./ecn2.o
checksum = AF78526F
