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ICE building trust-dns-resolver@0.21.2 with instrument coverage, in nightly #118746

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GreeFine opened this issue Dec 8, 2023 · 1 comment
Closed

ICE building trust-dns-resolver@0.21.2 with instrument coverage, in nightly #118746

GreeFine opened this issue Dec 8, 2023 · 1 comment
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A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@GreeFine
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GreeFine commented Dec 8, 2023 •
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I get this error while compiling the crate : trust-dns-resolver = "0.21.2", with coverage flags and on nightly.

Replication:

cargo new compiler-bug
cd compiler-bug
cargo add trust-dns-resolver@0.21.2
RUSTFLAGS="-C instrument-coverage" cargo +nightly build

Meta

rustc --version --verbose:

rustc 1.76.0-nightly (1fdfe1234 2023-12-06)
binary: rustc
commit-hash: 1fdfe1234795a289af1088aefa92ef80191cb611
commit-date: 2023-12-06
host: x86_64-unknown-linux-gnu
release: 1.76.0-nightly
LLVM version: 17.0.5

Error output

<output>
Backtrace 

error: internal compiler error: compiler/rustc_mir_transform/src/coverage/spans.rs:434:49: invalid attempt to unwrap a None some_prev

thread 'rustc' panicked at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/compiler/rustc_errors/src/lib.rs:1113:75:
Box<dyn Any>
stack backtrace:
   0:     0x7f8b16d5a45c - std::backtrace_rs::backtrace::libunwind::trace::h01adf09c1aaf2eab
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x7f8b16d5a45c - std::backtrace_rs::backtrace::trace_unsynchronized::hb3620698cc0798b4
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f8b16d5a45c - std::sys_common::backtrace::_print_fmt::h56e5d560c8c09485
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7f8b16d5a45c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hca9d80fb6e5ad5fe
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f8b16dad4a0 - core::fmt::rt::Argument::fmt::he80c0e0f0c31e8da
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/core/src/fmt/rt.rs:142:9
   5:     0x7f8b16dad4a0 - core::fmt::write::h7acb2cb5522bc491
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/core/src/fmt/mod.rs:1120:17
   6:     0x7f8b16d4e2bf - std::io::Write::write_fmt::h19435141596ff66c
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/io/mod.rs:1810:15
   7:     0x7f8b16d5a244 - std::sys_common::backtrace::_print::h062a00a21ffc3dcb
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f8b16d5a244 - std::sys_common::backtrace::print::h120ea2df27b2be8f
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f8b16d5ced7 - std::panicking::default_hook::{{closure}}::hd7e3d5fa26e2ca93
  10:     0x7f8b16d5cc3f - std::panicking::default_hook::h541732093fb638b5
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/panicking.rs:292:9
  11:     0x7f8b13af4190 - std[f18d9e43faf8528d]::panicking::update_hook::<alloc[c27557bba15c8b11]::boxed::Box<rustc_driver_impl[c56fb6e317b9b549]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f8b16d5d618 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h04510f5933ee8fe9
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/alloc/src/boxed.rs:2029:9
  13:     0x7f8b16d5d618 - std::panicking::rust_panic_with_hook::h10b8d62d65c23db7
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/panicking.rs:783:13
  14:     0x7f8b13b2c164 - std[f18d9e43faf8528d]::panicking::begin_panic::<rustc_errors[bb6f28af044becad]::ExplicitBug>::{closure#0}
  15:     0x7f8b13b28936 - std[f18d9e43faf8528d]::sys_common::backtrace::__rust_end_short_backtrace::<std[f18d9e43faf8528d]::panicking::begin_panic<rustc_errors[bb6f28af044becad]::ExplicitBug>::{closure#0}, !>
  16:     0x7f8b13b285a6 - std[f18d9e43faf8528d]::panicking::begin_panic::<rustc_errors[bb6f28af044becad]::ExplicitBug>
  17:     0x7f8b13b37309 - <rustc_errors[bb6f28af044becad]::diagnostic_builder::Bug as rustc_errors[bb6f28af044becad]::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
  18:     0x7f8b13f18335 - <rustc_errors[bb6f28af044becad]::Handler>::bug::<alloc[c27557bba15c8b11]::string::String>
  19:     0x7f8b13fb533d - rustc_middle[44587506631fd282]::util::bug::opt_span_bug_fmt::<rustc_span[b99ab2601ab4e12]::span_encoding::Span>::{closure#0}
  20:     0x7f8b13f9c9fa - rustc_middle[44587506631fd282]::ty::context::tls::with_opt::<rustc_middle[44587506631fd282]::util::bug::opt_span_bug_fmt<rustc_span[b99ab2601ab4e12]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  21:     0x7f8b13f9c898 - rustc_middle[44587506631fd282]::ty::context::tls::with_context_opt::<rustc_middle[44587506631fd282]::ty::context::tls::with_opt<rustc_middle[44587506631fd282]::util::bug::opt_span_bug_fmt<rustc_span[b99ab2601ab4e12]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  22:     0x7f8b11f4ff80 - rustc_middle[44587506631fd282]::util::bug::bug_fmt
  23:     0x7f8b1415164e - <rustc_mir_transform[1221cdd64599178f]::coverage::spans::CoverageSpansGenerator>::take_prev
  24:     0x7f8b14152e1b - <rustc_mir_transform[1221cdd64599178f]::coverage::Instrumentor>::inject_counters
  25:     0x7f8b14152010 - <rustc_mir_transform[1221cdd64599178f]::coverage::InstrumentCoverage as rustc_middle[44587506631fd282]::mir::MirPass>::run_pass
  26:     0x7f8b14ee65a8 - rustc_mir_transform[1221cdd64599178f]::pass_manager::run_passes_inner
  27:     0x7f8b130b4fac - rustc_mir_transform[1221cdd64599178f]::mir_promoted
  28:     0x7f8b1533fa6a - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 16usize]>>
  29:     0x7f8b1533fd40 - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::VecCache<rustc_span[b99ab2601ab4e12]::def_id::LocalDefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  30:     0x7f8b1533f96f - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
  31:     0x7f8b15c67ead - rustc_borrowck[1ad8dc81974af5ff]::mir_borrowck
  32:     0x7f8b15c67def - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>
  33:     0x7f8b14ff9083 - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::VecCache<rustc_span[b99ab2601ab4e12]::def_id::LocalDefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  34:     0x7f8b14ff8c50 - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  35:     0x7f8b150fc70a - <rustc_borrowck[1ad8dc81974af5ff]::type_check::TypeChecker>::prove_closure_bounds
  36:     0x7f8b15c3aae6 - <rustc_borrowck[1ad8dc81974af5ff]::type_check::TypeChecker>::typeck_mir
  37:     0x7f8b12c4de4b - rustc_borrowck[1ad8dc81974af5ff]::type_check::type_check
  38:     0x7f8b12c31ea8 - rustc_borrowck[1ad8dc81974af5ff]::nll::compute_regions
  39:     0x7f8b15c77de3 - rustc_borrowck[1ad8dc81974af5ff]::do_mir_borrowck
  40:     0x7f8b15c6834a - rustc_borrowck[1ad8dc81974af5ff]::mir_borrowck
  41:     0x7f8b15c67def - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>
  42:     0x7f8b14ff9083 - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::VecCache<rustc_span[b99ab2601ab4e12]::def_id::LocalDefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  43:     0x7f8b14ff8c50 - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
  44:     0x7f8b15b3dae6 - rustc_hir_analysis[9f9d9d655a896a82]::collect::type_of::type_of_opaque
  45:     0x7f8b15b3d835 - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>
  46:     0x7f8b14e51354 - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::DefaultCache<rustc_span[b99ab2601ab4e12]::def_id::DefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  47:     0x7f8b15e14e5e - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::type_of_opaque::get_query_non_incr::__rust_end_short_backtrace
  48:     0x7f8b14ed2304 - rustc_middle[44587506631fd282]::query::plumbing::query_get_at::<rustc_query_system[4e5b10c281114fe]::query::caches::DefaultCache<rustc_span[b99ab2601ab4e12]::def_id::DefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>>
  49:     0x7f8b1304fac2 - rustc_hir_analysis[9f9d9d655a896a82]::collect::type_of::type_of
  50:     0x7f8b14e524e6 - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>
  51:     0x7f8b14e51354 - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::DefaultCache<rustc_span[b99ab2601ab4e12]::def_id::DefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  52:     0x7f8b14e50f1b - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
  53:     0x7f8b14ed2304 - rustc_middle[44587506631fd282]::query::plumbing::query_get_at::<rustc_query_system[4e5b10c281114fe]::query::caches::DefaultCache<rustc_span[b99ab2601ab4e12]::def_id::DefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 8usize]>>>
  54:     0x7f8b15ad60ba - rustc_hir_analysis[9f9d9d655a896a82]::check::check::check_mod_item_types
  55:     0x7f8b15ad43f3 - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 0usize]>>
  56:     0x7f8b157f68fb - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::DefaultCache<rustc_span[b99ab2601ab4e12]::def_id::LocalModDefId, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  57:     0x7f8b157f62d7 - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
  58:     0x7f8b15830ba3 - rustc_hir_analysis[9f9d9d655a896a82]::check_crate
  59:     0x7f8b1566c3a2 - rustc_interface[921a47194d6ebb65]::passes::analysis
  60:     0x7f8b1566bfdd - rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 1usize]>>
  61:     0x7f8b15d6a024 - rustc_query_system[4e5b10c281114fe]::query::plumbing::try_execute_query::<rustc_query_impl[ae1b90dc3d8f3e49]::DynamicConfig<rustc_query_system[4e5b10c281114fe]::query::caches::SingleCache<rustc_middle[44587506631fd282]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ae1b90dc3d8f3e49]::plumbing::QueryCtxt, false>
  62:     0x7f8b15d69e15 - rustc_query_impl[ae1b90dc3d8f3e49]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  63:     0x7f8b15d786e2 - rustc_interface[921a47194d6ebb65]::interface::run_compiler::<core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>, rustc_driver_impl[c56fb6e317b9b549]::run_compiler::{closure#0}>::{closure#0}
  64:     0x7f8b15d6bac9 - std[f18d9e43faf8528d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[921a47194d6ebb65]::util::run_in_thread_with_globals<rustc_interface[921a47194d6ebb65]::util::run_in_thread_pool_with_globals<rustc_interface[921a47194d6ebb65]::interface::run_compiler<core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>, rustc_driver_impl[c56fb6e317b9b549]::run_compiler::{closure#0}>::{closure#0}, core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>>::{closure#0}, core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>>
  65:     0x7f8b15d6b8f3 - <<std[f18d9e43faf8528d]::thread::Builder>::spawn_unchecked_<rustc_interface[921a47194d6ebb65]::util::run_in_thread_with_globals<rustc_interface[921a47194d6ebb65]::util::run_in_thread_pool_with_globals<rustc_interface[921a47194d6ebb65]::interface::run_compiler<core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>, rustc_driver_impl[c56fb6e317b9b549]::run_compiler::{closure#0}>::{closure#0}, core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>>::{closure#0}, core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[c8ad60286a7f2b9c]::result::Result<(), rustc_span[b99ab2601ab4e12]::ErrorGuaranteed>>::{closure#1} as core[c8ad60286a7f2b9c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  66:     0x7f8b16d674a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcbb69bf7124e2abe
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/alloc/src/boxed.rs:2015:9
  67:     0x7f8b16d674a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7be566a46ffc8b21
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/alloc/src/boxed.rs:2015:9
  68:     0x7f8b16d674a5 - std::sys::unix::thread::Thread::new::thread_start::hd7af3ffb69b86edf
                               at /rustc/1fdfe1234795a289af1088aefa92ef80191cb611/library/std/src/sys/unix/thread.rs:108:17
  69:     0x7f8b10c7a9eb - <unknown>
  70:     0x7f8b10cfe7cc - <unknown>
  71:                0x0 - <unknown>

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: please attach the file at `/home/greefine/.cargo/registry/src/index.crates.io-6f17d22bba15001f/trust-dns-resolver-0.21.2/rustc-ice-2023-12-08T14_34_35-117802.txt` to your bug report

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C instrument-coverage

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [mir_promoted] promoting constants in MIR for `async_resolver::<impl at /home/greefine/.cargo/registry/src/index.crates.io-6f17d22bba15001f/trust-dns-resolver-0.21.2/src/async_resolver.rs:197:1: 197:94>::reverse_lookup::{closure#0}`
#1 [mir_borrowck] borrow-checking `async_resolver::<impl at /home/greefine/.cargo/registry/src/index.crates.io-6f17d22bba15001f/trust-dns-resolver-0.21.2/src/async_resolver.rs:197:1: 197:94>::reverse_lookup::{closure#0}`
#2 [mir_borrowck] borrow-checking `async_resolver::<impl at /home/greefine/.cargo/registry/src/index.crates.io-6f17d22bba15001f/trust-dns-resolver-0.21.2/src/async_resolver.rs:197:1: 197:94>::reverse_lookup`
#3 [type_of_opaque] computing type of opaque `async_resolver::<impl at /home/greefine/.cargo/registry/src/index.crates.io-6f17d22bba15001f/trust-dns-resolver-0.21.2/src/async_resolver.rs:197:1: 197:94>::reverse_lookup::{opaque#0}`
#4 [type_of] computing type of `async_resolver::<impl at /home/greefine/.cargo/registry/src/index.crates.io-6f17d22bba15001f/trust-dns-resolver-0.21.2/src/async_resolver.rs:197:1: 197:94>::reverse_lookup::{opaque#0}`
#5 [check_mod_item_types] checking item types in module `async_resolver`
#6 [analysis] running analysis passes on this crate
end of query stack
error: could not compile `trust-dns-resolver` (lib)
warning: build failed, waiting for other jobs to finish...
error: process didn't exit successfully: `/home/greefine/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/cargo test --tests --manifest-path /home/greefine/Projects/compiler-bug/Cargo.toml --target-dir /home/greefine/Projects/compiler-bug/target/llvm-cov-target` (exit status: 101)

rustc-ice-2023-12-08T14_34_35-117802.txt
@GreeFine GreeFine added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Dec 8, 2023
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Dec 8, 2023
@saethlin saethlin added A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Dec 8, 2023
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Zalathar commented Dec 9, 2023

This is probably another duplicate of #118643, which should be fixed in the upcoming nightly.

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A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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