ICE: unexpected value of coverage attribute #127880
Description
auto-reduced (treereduce-rust):
#[coverage] fn main() {} original code
original:
#![feature(coverage_attribute)] //@ edition: 2021 // Demonstrates the diagnostics produced when using the syntax `#[coverage]`, // which should not be allowed. // // The syntax is tested both in places that can have a coverage attribute, // and in places that cannot have a coverage attribute, to demonstrate the // interaction between multiple errors. #[coverage] //~^ ERROR malformed `coverage` attribute input mod my_mod {} mod my_mod_inner { #![coverage] //~^ ERROR malformed `coverage` attribute input } #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure struct MyStruct; #[coverage] //~^ ERROR malformed `coverage` attribute input impl MyStruct { #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure const X: u32 = 7; } #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure trait MyTrait { #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure const X: u32; #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure type T; } #[coverage] //~^ ERROR malformed `coverage` attribute input impl MyTrait for MyStruct { #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure const X: u32 = 8; #[coverage] //~^ ERROR malformed `coverage` attribute input //~| ERROR attribute should be applied to a function definition or closure type T = (); } #[coverage] //~^ ERROR malformed `coverage` attribute input fn main() {}Version information
rustc 1.81.0-nightly (fcc325f1b 2024-07-17) binary: rustc commit-hash: fcc325f1bc477975e2ce5ba534fe4c77ff8a8536 commit-date: 2024-07-17 host: x86_64-unknown-linux-gnu release: 1.81.0-nightly LLVM version: 18.1.7 Command:
/home/matthias/.rustup/toolchains/master/bin/rustc -Cinstrument-coverage
Program output
error: malformed `coverage` attribute input --> /tmp/icemaker_global_tempdir.4O1Z9G3tMNfo/rustc_testrunner_tmpdir_reporting.c2V17EKwJr3h/mvce.rs:3:1 | 3 | #[coverage] | ^^^^^^^^^^^ | help: the following are the possible correct uses | 3 | #[coverage(off)] | 3 | #[coverage(on)] | error[E0658]: the `#[coverage]` attribute is an experimental feature --> /tmp/icemaker_global_tempdir.4O1Z9G3tMNfo/rustc_testrunner_tmpdir_reporting.c2V17EKwJr3h/mvce.rs:3:1 | 3 | #[coverage] | ^^^^^^^^^^^ | = note: see issue #84605 <https://github.com/rust-lang/rust/issues/84605> for more information = help: add `#![feature(coverage_attribute)]` to the crate attributes to enable = note: this compiler was built on 2024-07-17; consider upgrading it if it is out of date error: internal compiler error: unexpected value of coverage attribute --> /tmp/icemaker_global_tempdir.4O1Z9G3tMNfo/rustc_testrunner_tmpdir_reporting.c2V17EKwJr3h/mvce.rs:3:1 | 3 | #[coverage] | ^^^^^^^^^^^ thread 'rustc' panicked at compiler/rustc_mir_transform/src/coverage/query.rs:65:27: Box<dyn Any> stack backtrace: 0: 0x73b8a97783e5 - std::backtrace_rs::backtrace::libunwind::trace::h7d42dda8f80cfb99 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 1: 0x73b8a97783e5 - std::backtrace_rs::backtrace::trace_unsynchronized::hd585f8afb233c9ee at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x73b8a97783e5 - std::sys::backtrace::_print_fmt::h224c15dbafc899ab at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/backtrace.rs:65:5 3: 0x73b8a97783e5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hca750ad87bb2f1d4 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/backtrace.rs:40:26 4: 0x73b8a97c7e3b - core::fmt::rt::Argument::fmt::hf85ec79e8cf86c67 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/core/src/fmt/rt.rs:173:76 5: 0x73b8a97c7e3b - core::fmt::write::h133a0eb20f0a6a5d at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/core/src/fmt/mod.rs:1182:21 6: 0x73b8a976ce9f - std::io::Write::write_fmt::h0b1c7497ddea4e96 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/io/mod.rs:1827:15 7: 0x73b8a977abd1 - std::sys::backtrace::BacktraceLock::print::h7ea149d21a641076 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/backtrace.rs:43:9 8: 0x73b8a977abd1 - std::panicking::default_hook::{{closure}}::h7dd45b5804215332 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/panicking.rs:269:22 9: 0x73b8a977a8ac - std::panicking::default_hook::haed8ee3169af9669 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/panicking.rs:296:9 10: 0x73b8a5bf5aa9 - std[a568119b01f6acf9]::panicking::update_hook::<alloc[bb4b795e710d07dc]::boxed::Box<rustc_driver_impl[8e1afaf50ebeb9ae]::install_ice_hook::{closure#0}>>::{closure#0} 11: 0x73b8a977b59f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h28c95c685643affe at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/alloc/src/boxed.rs:2084:9 12: 0x73b8a977b59f - std::panicking::rust_panic_with_hook::h4bf66cb658082ab2 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/panicking.rs:808:13 13: 0x73b8a5c30361 - std[a568119b01f6acf9]::panicking::begin_panic::<rustc_errors[3a77a9bae9c6f06]::ExplicitBug>::{closure#0} 14: 0x73b8a5c23166 - std[a568119b01f6acf9]::sys::backtrace::__rust_end_short_backtrace::<std[a568119b01f6acf9]::panicking::begin_panic<rustc_errors[3a77a9bae9c6f06]::ExplicitBug>::{closure#0}, !> 15: 0x73b8a5c23116 - std[a568119b01f6acf9]::panicking::begin_panic::<rustc_errors[3a77a9bae9c6f06]::ExplicitBug> 16: 0x73b8a5c397e1 - <rustc_errors[3a77a9bae9c6f06]::diagnostic::BugAbort as rustc_errors[3a77a9bae9c6f06]::diagnostic::EmissionGuarantee>::emit_producing_guarantee 17: 0x73b8a6346c45 - <rustc_errors[3a77a9bae9c6f06]::DiagCtxtHandle>::span_bug::<rustc_span[38ccacee260ae995]::span_encoding::Span, &str> 18: 0x73b8a63cea53 - rustc_mir_transform[c43e2c3dc4f9025]::coverage::query::coverage_attr_on 19: 0x73b8a6611be7 - rustc_query_impl[3b609057f07f1dcd]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[3b609057f07f1dcd]::query_impl::coverage_attr_on::dynamic_query::{closure#2}::{closure#0}, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 1usize]>> 20: 0x73b8a77014a4 - rustc_query_system[f2631fe58e40596f]::query::plumbing::try_execute_query::<rustc_query_impl[3b609057f07f1dcd]::DynamicConfig<rustc_query_system[f2631fe58e40596f]::query::caches::VecCache<rustc_span[38ccacee260ae995]::def_id::LocalDefId, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[3b609057f07f1dcd]::plumbing::QueryCtxt, false> 21: 0x73b8a6616ec1 - rustc_query_impl[3b609057f07f1dcd]::query_impl::coverage_attr_on::get_query_non_incr::__rust_end_short_backtrace 22: 0x73b8a635e95c - rustc_middle[755ee31b8896a314]::query::plumbing::query_get_at::<rustc_query_system[f2631fe58e40596f]::query::caches::VecCache<rustc_span[38ccacee260ae995]::def_id::LocalDefId, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 1usize]>>> 23: 0x73b8a63ce902 - rustc_mir_transform[c43e2c3dc4f9025]::coverage::query::is_eligible_for_coverage 24: 0x73b8a77190a7 - <rustc_mir_build[896911fd54276e87]::build::Builder>::new 25: 0x73b8a770ce7b - rustc_mir_build[896911fd54276e87]::build::mir_build 26: 0x73b8a770bc92 - rustc_query_impl[3b609057f07f1dcd]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[3b609057f07f1dcd]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 8usize]>> 27: 0x73b8a74e5773 - rustc_query_system[f2631fe58e40596f]::query::plumbing::try_execute_query::<rustc_query_impl[3b609057f07f1dcd]::DynamicConfig<rustc_query_system[f2631fe58e40596f]::query::caches::VecCache<rustc_span[38ccacee260ae995]::def_id::LocalDefId, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[3b609057f07f1dcd]::plumbing::QueryCtxt, false> 28: 0x73b8a74e528d - rustc_query_impl[3b609057f07f1dcd]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace 29: 0x73b8a7675ebe - rustc_mir_build[896911fd54276e87]::check_unsafety::check_unsafety 30: 0x73b8a7675c5d - rustc_query_impl[3b609057f07f1dcd]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[3b609057f07f1dcd]::query_impl::check_unsafety::dynamic_query::{closure#2}::{closure#0}, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 0usize]>> 31: 0x73b8a7674e17 - rustc_query_system[f2631fe58e40596f]::query::plumbing::try_execute_query::<rustc_query_impl[3b609057f07f1dcd]::DynamicConfig<rustc_query_system[f2631fe58e40596f]::query::caches::VecCache<rustc_span[38ccacee260ae995]::def_id::LocalDefId, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[3b609057f07f1dcd]::plumbing::QueryCtxt, false> 32: 0x73b8a7674a5b - rustc_query_impl[3b609057f07f1dcd]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace 33: 0x73b8a76799b8 - rustc_interface[a03dee3aea9b1fd5]::passes::analysis 34: 0x73b8a7678b07 - rustc_query_impl[3b609057f07f1dcd]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[3b609057f07f1dcd]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 1usize]>> 35: 0x73b8a80f1965 - rustc_query_system[f2631fe58e40596f]::query::plumbing::try_execute_query::<rustc_query_impl[3b609057f07f1dcd]::DynamicConfig<rustc_query_system[f2631fe58e40596f]::query::caches::SingleCache<rustc_middle[755ee31b8896a314]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[3b609057f07f1dcd]::plumbing::QueryCtxt, false> 36: 0x73b8a80f16cf - rustc_query_impl[3b609057f07f1dcd]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace 37: 0x73b8a7fc1285 - rustc_interface[a03dee3aea9b1fd5]::interface::run_compiler::<core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>, rustc_driver_impl[8e1afaf50ebeb9ae]::run_compiler::{closure#0}>::{closure#1} 38: 0x73b8a7f97b49 - std[a568119b01f6acf9]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_with_globals<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_pool_with_globals<rustc_interface[a03dee3aea9b1fd5]::interface::run_compiler<core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>, rustc_driver_impl[8e1afaf50ebeb9ae]::run_compiler::{closure#0}>::{closure#1}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>> 39: 0x73b8a7f978fa - <<std[a568119b01f6acf9]::thread::Builder>::spawn_unchecked_<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_with_globals<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_pool_with_globals<rustc_interface[a03dee3aea9b1fd5]::interface::run_compiler<core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>, rustc_driver_impl[8e1afaf50ebeb9ae]::run_compiler::{closure#0}>::{closure#1}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#2} as core[da8eb5c0cc453d3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} 40: 0x73b8a97855fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcba9444f62f4d2cf at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/alloc/src/boxed.rs:2070:9 41: 0x73b8a97855fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h370ba06625738899 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/alloc/src/boxed.rs:2070:9 42: 0x73b8a97855fb - std::sys::pal::unix::thread::Thread::new::thread_start::he74bac229ff12ca4 at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/pal/unix/thread.rs:108:17 43: 0x73b8a26a6ded - <unknown> 44: 0x73b8a272a0dc - <unknown> 45: 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 make sure that you have updated to the latest nightly note: rustc 1.81.0-nightly (fcc325f1b 2024-07-17) running on x86_64-unknown-linux-gnu note: compiler flags: -C instrument-coverage -Z dump-mir-dir=dir query stack during panic: #0 [coverage_attr_on] checking for `#[coverage(..)]` on `main` #1 [mir_built] building MIR for `main` end of query stack error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0658`. @rustbot label +F-coverage_attribute