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* [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault @ 2024-04-07 7:52 zhendong.su at inf dot ethz.ch 2024-04-07 7:58 ` [Bug tree-optimization/114624] [14 Regression] " pinskia at gcc dot gnu.org ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: zhendong.su at inf dot ethz.ch @ 2024-04-07 7:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 Bug ID: 114624 Summary: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end 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/neef45W14 [516] % gcctk -v Using built-in specs. COLLECT_GCC=gcctk COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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 14.0.1 20240405 (experimental) (GCC) [517] % [517] % gcctk -O3 small.c during GIMPLE pass: sccp small.c: In function ‘main’: small.c:2:5: internal compiler error: Segmentation fault 2 | int main() { | ^~~~ 0x116b653 crash_signal ../../gcc-trunk/gcc/toplev.cc:319 0x7fe51d50a08f ??? /build/glibc-wuryBv/glibc-2.31/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0 0x249ec06 get_data_from_adhoc_loc(line_maps const*, unsigned int) ../../gcc-trunk/libcpp/line-map.cc:297 0x11b8216 verify_location ../../gcc-trunk/gcc/tree-cfg.cc:5384 0x11bc50f verify_gimple_in_cfg(function*, bool, bool) ../../gcc-trunk/gcc/tree-cfg.cc:5600 0x10292b4 execute_function_todo ../../gcc-trunk/gcc/passes.cc:2089 0x1029c0e execute_todo ../../gcc-trunk/gcc/passes.cc:2143 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. [518] % [518] % cat small.c int a, b; int main() { int c, d = 1; while (a) { while (b) if (d) while (a) ; for (; b < 2; b++) if (b) for (c = 0; c < 8; c++) d = 0; else for (a = 0; a < 2; a++) ; } return 0; } ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/114624] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch @ 2024-04-07 7:58 ` pinskia at gcc dot gnu.org 2024-04-07 8:10 ` pinskia at gcc dot gnu.org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu.org @ 2024-04-07 7:58 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|ICE on valid code at -O3 on |[14 Regression] ICE on |x86_64-linux-gnu: |valid code at -O3 on |Segmentation fault |x86_64-linux-gnu: | |Segmentation fault Keywords| |needs-bisection Target Milestone|--- |14.0 Version|unknown |14.0 Component|middle-end |tree-optimization ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/114624] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch 2024-04-07 7:58 ` [Bug tree-optimization/114624] [14 Regression] " pinskia at gcc dot gnu.org @ 2024-04-07 8:10 ` pinskia at gcc dot gnu.org 2024-04-07 8:12 ` pinskia at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu.org @ 2024-04-07 8:10 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Last reconfirmed| |2024-04-07 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed. It does not ICE with `-fno-checking` but does also ICE with `-fdump-tree-sccp-lineno` too; it also crashes with -g (though later on). I think it is crashing on: ``` d_9 = d_30; ``` statement. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/114624] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch 2024-04-07 7:58 ` [Bug tree-optimization/114624] [14 Regression] " pinskia at gcc dot gnu.org 2024-04-07 8:10 ` pinskia at gcc dot gnu.org @ 2024-04-07 8:12 ` pinskia at gcc dot gnu.org 2024-04-08 8:33 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu.org @ 2024-04-07 8:12 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|ice-checking | --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Removing `ice-checking` because you can get it to crash even without checking enabled. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/114624] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (2 preceding siblings ...) 2024-04-07 8:12 ` pinskia at gcc dot gnu.org @ 2024-04-08 8:33 ` rguenth at gcc dot gnu.org 2024-04-08 9:37 ` cvs-commit at gcc dot gnu.org 2024-04-08 9:39 ` rguenth at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2024-04-08 8:33 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- I will have a look. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/114624] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (3 preceding siblings ...) 2024-04-08 8:33 ` rguenth at gcc dot gnu.org @ 2024-04-08 9:37 ` cvs-commit at gcc dot gnu.org 2024-04-08 9:39 ` rguenth at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2024-04-08 9:37 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 --- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>: https://gcc.gnu.org/g:97d5cd8740384dbce5a83080916388f80d8976dd commit r14-9829-g97d5cd8740384dbce5a83080916388f80d8976dd Author: Richard Biener <rguenther@suse.de> Date: Mon Apr 8 10:38:49 2024 +0200 tree-optimization/114624 - fix use-after-free in SCCP We're inspecting the replaced PHI node after releasing it. PR tree-optimization/114624 * tree-scalar-evolution.cc (final_value_replacement_loop): Get at the PHI arg location before releasing the PHI node. * gcc.dg/torture/pr114624.c: New testcase. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/114624] [14 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (4 preceding siblings ...) 2024-04-08 9:37 ` cvs-commit at gcc dot gnu.org @ 2024-04-08 9:39 ` rguenth at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2024-04-08 9:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114624 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Fixed. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-04-08 9:39 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2024-04-07 7:52 [Bug middle-end/114624] New: ICE on valid code at -O3 on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch 2024-04-07 7:58 ` [Bug tree-optimization/114624] [14 Regression] " pinskia at gcc dot gnu.org 2024-04-07 8:10 ` pinskia at gcc dot gnu.org 2024-04-07 8:12 ` pinskia at gcc dot gnu.org 2024-04-08 8:33 ` rguenth at gcc dot gnu.org 2024-04-08 9:37 ` cvs-commit at gcc dot gnu.org 2024-04-08 9:39 ` rguenth at gcc dot gnu.org
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