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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/103231] New: ICE (nondeterministic) on valid code at -O1 on x86_64-linux-gnu: Segmentation fault Date: Sun, 14 Nov 2021 10:31:17 +0000 [thread overview] Message-ID: <bug-103231-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103231 Bug ID: 103231 Summary: ICE (nondeterministic) on valid code at -O1 on x86_64-linux-gnu: Segmentation fault 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: --- Created attachment 51788 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51788&action=edit reproducer This one is flaky and very difficult to reduce (likely due to memory errors). The reproducer is still quite large and hairy. [658] % 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/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --prefix=/local/suz-local/software/local/gcc-trunk --enable-languages=c,c++ --disable-werror --enable-multilib --with-system-zlib Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211114 (experimental) [master r12-5239-ga8029add306] (GCC) [659] % [659] % gcctk -O0 -w small.c [660] % [660] % gcctk -O1 -w small.c [661] % gcctk -O1 -w small.c [662] % gcctk -O1 -w small.c gcctk: internal compiler error: Segmentation fault signal terminated program cc1 Please submit a full bug report, with preprocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions. [663] %
next reply other threads:[~2021-11-14 10:31 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-14 10:31 zhendong.su at inf dot ethz.ch [this message] 2021-11-14 10:34 ` Jan Hubicka 2021-11-14 10:34 ` [Bug tree-optimization/103231] " hubicka at kam dot mff.cuni.cz 2021-11-14 10:37 ` pinskia at gcc dot gnu.org 2021-11-14 10:54 ` marxin at gcc dot gnu.org 2021-11-14 10:55 ` [Bug tree-optimization/103231] [12 Regression] ICE (nondeterministic) on valid code at -O1 on x86_64-linux-gnu: Segmentation fault since r12-5014-g6b8b959675a3e14c marxin at gcc dot gnu.org 2021-11-14 11:02 ` marxin at gcc dot gnu.org 2021-11-14 11:05 ` zhendong.su at inf dot ethz.ch 2021-11-14 11:08 ` aldyh at gcc dot gnu.org 2021-11-14 11:08 ` aldyh at gcc dot gnu.org 2021-11-14 15:37 ` zhendong.su at inf dot ethz.ch 2021-11-14 15:45 ` marxin at gcc dot gnu.org 2021-11-14 15:55 ` marxin at gcc dot gnu.org 2021-11-15 9:08 ` [Bug tree-optimization/103231] [12 Regression] ICE (nondeterministic/stack overflow) " rguenth at gcc dot gnu.org 2021-11-19 19:04 ` amacleod at redhat dot com 2021-11-24 14:06 ` cvs-commit at gcc dot gnu.org 2021-11-24 14:07 ` amacleod at redhat dot com 2021-11-29 14:31 ` law at gcc dot gnu.org
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