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From: "slyfox at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/103682] New: [12 regression] ICE on atomics: gimple check: expected gimple_assign(error_mark), have gimple_nop() in gimple_assign_rhs_code, at gimple.h:2852 Date: Mon, 13 Dec 2021 12:36:54 +0000 [thread overview] Message-ID: <bug-103682-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103682 Bug ID: 103682 Summary: [12 regression] ICE on atomics: gimple check: expected gimple_assign(error_mark), have gimple_nop() in gimple_assign_rhs_code, at gimple.h:2852 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: slyfox at gcc dot gnu.org Target Milestone: --- ICE extracted from a real project: $ cat bug.cpp #include <atomic> bool bug(std::atomic<unsigned> & ready, unsigned u) { return (ready.fetch_and(~u) & u); } $ g++-12.0.0 -Ofast -c bug.cpp during GIMPLE pass: fab bug.cpp: In function 'bool bug(std::atomic<unsigned int>&, unsigned int)': bug.cpp:6:6: internal compiler error: gimple check: expected gimple_assign(error_mark), have gimple_nop() in gimple_assign_rhs_code, at gimple.h:2852 6 | bool bug(std::atomic<unsigned> & ready, unsigned u) { | ^~~ 0x20a58f7 internal_error(char const*, ...) ???:0 0x7c76dd gimple_check_failed(gimple const*, char const*, int, char const*, gimple_code, tree_code) ???:0 $ g++-12.0.0 -v Using built-in specs. COLLECT_GCC=/nix/store/3x3yy5hhikzn8zvhq5fj14a2m9qyxbc8-gcc-12.0.0/bin/g++ COLLECT_LTO_WRAPPER=/nix/store/3x3yy5hhikzn8zvhq5fj14a2m9qyxbc8-gcc-12.0.0/libexec/gcc/x86_64-unknown-linux-gnu/12.0.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211212 (experimental) (GCC)
next reply other threads:[~2021-12-13 12:36 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-13 12:36 slyfox at gcc dot gnu.org [this message] 2021-12-13 12:39 ` [Bug tree-optimization/103682] " pinskia at gcc dot gnu.org 2021-12-13 12:43 ` [Bug tree-optimization/103682] [12 regression] ICE on atomics: gimple check: expected gimple_assign(error_mark), have gimple_nop() in gimple_assign_rhs_code, at gimple.h:2852 since r12-5486-g7df89377a7ae3906 marxin at gcc dot gnu.org 2021-12-13 12:44 ` pinskia at gcc dot gnu.org 2021-12-14 1:12 ` crazylht at gmail dot com 2021-12-14 23:40 ` cvs-commit at gcc dot gnu.org 2021-12-14 23:47 ` crazylht at gmail dot com 2021-12-14 23:52 ` pinskia at gcc dot gnu.org
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