https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111507
Bug ID: 111507
Summary: Floating point exception with '-O3'
Product: gcc
Version: 13.2.1
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 55950
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55950&action=edit
The preprocessed file
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OS and Platform:
Ubuntu 20.04.4 LTS
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gcc version:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/home/cuisk/ctc/gcc-releases/gcc-13/bin/gcc
COLLECT_LTO_WRAPPER=/home/cuisk/ctc/gcc-releases/gcc-13/libexec/gcc/x86_64-pc-linux-gnu/13.2.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/cuisk/ctc/gcc-releases/gcc-13
--disable-multilib --enable-language=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 13.2.1 20230916 (GCC)
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Command Lines:
$ gcc -I /home/ctc/csmith/include/csmith-2.3.0 -O3 -fno-dce
-fno-forward-propagate -fno-inline-functions-called-once
-fno-inline-small-functions -fno-ipa-reference-addressable
-fno-rerun-cse-after-loop -fno-tree-dce -fno-tree-dse a.c -o fails 2>tmp.out
$ ./fails
Floating point exception (core dumped)
