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 ******************************************************************************* OS and Platform: Ubuntu 20.04.4 LTS ******************************************************************************* 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) ******************************************************************************* 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)