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ICE in liveness/rwu_table #131817

Open thomasyonug opened 3 hours ago

thomasyonug commented 3 hours ago

Code

Sorry, I lost the trigger code when I was modify the crate regex-syntax

Meta

rustc --version --verbose:

rustc 1.83.0-nightly (fa724e5d8 2024-09-27)
binary: rustc
commit-hash: fa724e5d8cbbdfbd1e53c4c656121af01b694406
commit-date: 2024-09-27
host: x86_64-unknown-linux-gnu
release: 1.83.0-nightly
LLVM version: 19.1.0

Error output

ICE
Backtrace

``` thread 'rustc' panicked at compiler/rustc_passes/src/liveness/rwu_table.rs:63:9: assertion failed: b.index() < self.live_nodes stack backtrace: 0: 0x7fef419e4d9a - trace at /home/ywz/doctor/rust-doctor/rust/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 1: 0x7fef419e4d9a - trace_unsynchronized at /home/ywz/doctor/rust-doctor/rust/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7fef419e4d9a - create at /home/ywz/doctor/rust-doctor/rust/library/std/src/backtrace.rs:331:13 3: 0x7fef419e4cf5 - std::backtrace::Backtrace::force_capture::h57258592374d8e63 at /home/ywz/doctor/rust-doctor/rust/library/std/src/backtrace.rs:312:9 4: 0x7fef42b9fe52 - {closure#0} at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_driver_impl/src/lib.rs:1445:25 5: 0x7fef42b9fe52 - call<(&(dyn core::ops::function::Fn<(&std::panic::PanicHookInfo), Output=()> + core::marker::Send + core::marker::Sync), &std::panic::PanicHookInfo), rustc_driver_impl::install_ice_hook::{closure_env#0}, alloc::alloc::Global> at /home/ywz/doctor/rust-doctor/rust/library/alloc/src/boxed.rs:2467:9 6: 0x7fef41a14693 - rust_panic_with_hook at /home/ywz/doctor/rust-doctor/rust/library/std/src/panicking.rs:809:13 7: 0x7fef419d6153 - {closure#0} at /home/ywz/doctor/rust-doctor/rust/library/std/src/panicking.rs:667:13 8: 0x7fef419d60d9 - std::sys::backtrace::__rust_end_short_backtrace::h9e8d7c7e63e58852 at /home/ywz/doctor/rust-doctor/rust/library/std/src/sys/backtrace.rs:170:18 9: 0x7fef41a141d7 - begin_panic_handler at /home/ywz/doctor/rust-doctor/rust/library/std/src/panicking.rs:665:5 10: 0x7fef419cc430 - panic_fmt at /home/ywz/doctor/rust-doctor/rust/library/core/src/panicking.rs:74:14 11: 0x7fef419cc4bc - panic at /home/ywz/doctor/rust-doctor/rust/library/core/src/panicking.rs:148:5 12: 0x7fef4858c619 - pick2_rows_mut at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness/rwu_table.rs:63:9 13: 0x7fef4858c619 - union at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness/rwu_table.rs:95:34 14: 0x7fef484b6b91 - merge_from_succ at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:638:23 15: 0x7fef484b8901 - propagate_through_expr at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:908:17 16: 0x7fef484b8f42 - {closure#0} at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:840:38 17: 0x7fef484b8f42 - map_or<&rustc_hir::hir::Expr, rustc_passes::liveness::LiveNode, rustc_passes::liveness::{impl#3}::propagate_through_opt_expr::{closure_env#0}> at /home/ywz/doctor/rust-doctor/rust/library/core/src/option.rs:1168:24 18: 0x7fef484b8f42 - propagate_through_opt_expr at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:840:9 19: 0x7fef484b8f42 - propagate_through_block at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:768:20 20: 0x7fef484b8f42 - propagate_through_loop at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:1287:23 21: 0x7fef484b8f42 - propagate_through_expr at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:881:49 22: 0x7fef484b832b - {closure#0} at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:840:38 23: 0x7fef484b832b - map_or<&rustc_hir::hir::Expr, rustc_passes::liveness::LiveNode, rustc_passes::liveness::{impl#3}::propagate_through_opt_expr::{closure_env#0}> at /home/ywz/doctor/rust-doctor/rust/library/core/src/option.rs:1168:24 24: 0x7fef484b832b - propagate_through_opt_expr at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:840:9 25: 0x7fef484b832b - propagate_through_block at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:768:20 26: 0x7fef484b832b - propagate_through_expr at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:1154:49 27: 0x7fef4858ed09 - {closure#0} at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:769:56 28: 0x7fef4858ed09 - rfold, rustc_passes::liveness::LiveNode, rustc_passes::liveness::{impl#3}::propagate_through_block::{closure_env#0}> at /home/ywz/doctor/rust-doctor/rust/library/core/src/iter/traits/double_ended.rs:308:21 29: 0x7fef4858ed09 - fold, rustc_passes::liveness::LiveNode, rustc_passes::liveness::{impl#3}::propagate_through_block::{closure_env#0}> at /home/ywz/doctor/rust-doctor/rust/library/core/src/iter/adapters/rev.rs:64:9 30: 0x7fef484b8348 - propagate_through_block at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:769:9 31: 0x7fef484b8348 - propagate_through_expr at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:1154:49 32: 0x7fef484b328f - compute at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:713:20 33: 0x7fef484b328f - check_liveness at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_passes/src/liveness.rs:172:20 34: 0x7fef48c3246f - {closure#0} at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_impl/src/plumbing.rs:283:9 35: 0x7fef48c3246f - __rust_begin_short_backtrace> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_impl/src/plumbing.rs:548:18 36: 0x7fef48c8a3f4 - {closure#2} at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_impl/src/plumbing.rs:622:25 37: 0x7fef48c8a3f4 - call_once at /home/ywz/doctor/rust-doctor/rust/library/core/src/ops/function.rs:250:5 38: 0x7fef489a6897 - {closure#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_system/src/dep_graph/graph.rs:360:64 39: 0x7fef489a6897 - {closure#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:82:9 40: 0x7fef489a6897 - try_with, rustc_middle::ty::context::tls::enter_context::{closure_env#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/library/std/src/thread/local.rs:283:12 41: 0x7fef489a6897 - with, rustc_middle::ty::context::tls::enter_context::{closure_env#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/library/std/src/thread/local.rs:260:9 42: 0x7fef4871d39d - enter_context>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:79:5 43: 0x7fef4871d39d - {closure#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/dep_graph/mod.rs:33:13 44: 0x7fef4871d39d - {closure#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:112:36 45: 0x7fef4871d39d - with_context_opt>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:101:18 46: 0x7fef4871d39d - with_context>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:112:5 47: 0x7fef4871d39d - with_deps>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/dep_graph/mod.rs:30:9 48: 0x7fef4898b57c - {closure#0}>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_system/src/dep_graph/graph.rs:360:37 49: 0x7fef4898b57c - with_task>, false, false, false>), rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_system/src/dep_graph/graph.rs:371:14 50: 0x7fef4898b57c - {closure#2}>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_system/src/query/plumbing.rs:537:13 51: 0x7fef4898b57c - {closure#0}>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>, (rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex)> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:82:9 52: 0x7fef4898b57c - try_with, rustc_middle::ty::context::tls::enter_context::{closure_env#0}>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>, (rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex)>, (rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex)> at /home/ywz/doctor/rust-doctor/rust/library/std/src/thread/local.rs:283:12 53: 0x7fef4898b57c - with, rustc_middle::ty::context::tls::enter_context::{closure_env#0}>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>, (rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex)>, (rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex)> at /home/ywz/doctor/rust-doctor/rust/library/std/src/thread/local.rs:260:9 54: 0x7fef48ab743c - enter_context>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>, (rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex)> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_middle/src/ty/context/tls.rs:79:5 55: 0x7fef48ab743c - {closure#0}<(rustc_middle::query::erase::Erased<[u8; 0]>, rustc_query_system::dep_graph::graph::DepNodeIndex), rustc_query_system::query::plumbing::execute_job_incr::{closure_env#2}>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>> at /home/ywz/doctor/rust-doctor/rust/compiler/rustc_query_impl/src/plumbing.rs:151:13 rustc version: 1.83.0-dev platform: x86_64-unknown-linux-gnu query stack during panic: #0 [check_liveness] checking liveness of variables in `utf8::::next` #1 [mir_built] building MIR for `utf8::::next` #2 [check_unsafety] unsafety-checking `utf8::::next` #3 [analysis] running analysis passes on this crate end of query stack ```

matthiaskrgr commented 3 hours ago

https://github.com/rust-lang/rust/issues/121623