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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/110924] New: ICE on valid code at -O{s,2,3} on x86_64-linux-gnu: verify_ssa failed Date: Sun, 06 Aug 2023 23:20:20 +0000 [thread overview] Message-ID: <bug-110924-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110924 Bug ID: 110924 Summary: ICE on valid code at -O{s,2,3} on x86_64-linux-gnu: verify_ssa failed 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: --- It appears to be a recent regression. Compiler Explorer: https://godbolt.org/z/z9oPe5bnx [608] % 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 20230805 (experimental) (GCC) [609] % [609] % gcctk -O2 small.c small.c: In function ‘main’: small.c:8:5: error: stmt with wrong VUSE 8 | int main() { | ^~~~ # VUSE <.MEM_11> e.3_2 = e; expected .MEM_12 during GIMPLE pass: sink small.c:8:5: internal compiler error: verify_ssa failed 0x124c54d verify_ssa(bool, bool) ../../gcc-trunk/gcc/tree-ssa.cc:1203 0xed05e5 execute_function_todo ../../gcc-trunk/gcc/passes.cc:2095 0xed0a3b execute_todo ../../gcc-trunk/gcc/passes.cc:2142 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. [610] % [610] % cat small.c int a[1], b, c, d, e, f, g; void h(int i, int j) { int *k = 0; if (*k) h(0, 0); g = i && d; } int main() { if (c) goto l; if (!a) while (1) { f = 1; while (f) h(b && main(), e); while (1) ; l:; } return 0; }
next reply other threads:[~2023-08-06 23:20 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-08-06 23:20 zhendong.su at inf dot ethz.ch [this message] 2023-08-07 0:27 ` [Bug tree-optimization/110924] [14 Regression] " pinskia at gcc dot gnu.org 2023-08-07 0:31 ` pinskia at gcc dot gnu.org 2023-08-07 0:44 ` pinskia at gcc dot gnu.org 2023-08-07 7:07 ` dcb314 at hotmail dot com 2023-08-07 7:15 ` pinskia at gcc dot gnu.org 2023-08-07 7:27 ` pinskia at gcc dot gnu.org 2023-08-07 7:37 ` dcb314 at hotmail dot com 2023-08-08 7:19 ` dcb314 at hotmail dot com 2023-08-08 8:49 ` rguenth at gcc dot gnu.org 2023-08-08 9:36 ` rguenth at gcc dot gnu.org 2023-08-08 9:38 ` rguenth at gcc dot gnu.org 2023-08-08 9:42 ` rguenth at gcc dot gnu.org 2023-08-08 10:26 ` rguenth at gcc dot gnu.org 2023-08-08 12:24 ` cvs-commit at gcc dot gnu.org 2023-08-08 12:24 ` rguenth at gcc dot gnu.org
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