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From: "zhendong.su at inf dot ethz.ch" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/111442] New: ICE on valid code at -O{s,2,3}: Segmentation fault signal terminated program cc1 Date: Sun, 17 Sep 2023 08:55:34 +0000 [thread overview] Message-ID: <bug-111442-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111442 Bug ID: 111442 Summary: ICE on valid code at -O{s,2,3}: Segmentation fault signal terminated program cc1 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zhendong.su at inf dot ethz.ch Target Milestone: --- This appears to be a recent regression. Compiler Explorer: https://godbolt.org/z/TY6sWMvcv [542] % gcctk -v Using built-in specs. COLLECT_GCC=gcctk COLLECT_LTO_WRAPPER=/local/home/suz/suz-local/software/local/gcc-trunk/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --enable-checking=yes --prefix=/local/suz-local/software/local/gcc-trunk --enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.0 20230917 (experimental) (GCC) [543] % [543] % gcctk -Os small.c small.c: In function ‘main’: small.c:5:15: warning: division by zero [-Wdiv-by-zero] 5 | e = a ? 0 % 0 : 0; | ^ gcctk: internal compiler error: Segmentation fault signal terminated program cc1 Please submit a full bug report, with preprocessed source (by using -freport-bug). See <https://gcc.gnu.org/bugs/> for instructions. [544] % [544] % cat small.c int *a, b; int main() { int d = 1, e; if (d) e = a ? 0 % 0 : 0; if (d) a = &d; d = -1; b = d & e; b = 2 * e ^ 1; return 0; }
next reply other threads:[~2023-09-17 8:55 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-09-17 8:55 zhendong.su at inf dot ethz.ch [this message] 2023-09-17 9:02 ` [Bug tree-optimization/111442] " pinskia at gcc dot gnu.org 2023-09-17 9:04 ` pinskia at gcc dot gnu.org 2023-09-17 9:05 ` pinskia at gcc dot gnu.org 2023-09-17 9:09 ` [Bug tree-optimization/111442] [14 Regression] " pinskia at gcc dot gnu.org 2023-09-17 21:41 ` pinskia at gcc dot gnu.org 2023-09-18 20:46 ` cvs-commit at gcc dot gnu.org 2023-09-18 20:46 ` pinskia at gcc dot gnu.org
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