ICE: compiler/rustc_middle/src/hir/map/mod.rs:744:18: expected item, found assoc constant T in T::T (hir_id=HirId { owner: DefId(0:4 ~ mutant[317d]::T::T), local_id: 0 }) #86721
Description
Code
trait T { const T: usize = return; }Meta
rustc --version --verbose:
rustc 1.55.0-nightly (a435b49e8 2021-06-28) binary: rustc commit-hash: a435b49e86d16e98dcc6595dd471f95e823f41aa commit-date: 2021-06-28 host: x86_64-unknown-linux-gnu release: 1.55.0-nightly LLVM version: 12.0.1 Error output
error[E0601]: `main` function not found in crate `mutant` --> mutant.rs:1:1 | 1 | / trait T { 2 | | const T: usize = return; 3 | | } | |_^ consider adding a `main` function to `mutant.rs` error: internal compiler error: compiler/rustc_middle/src/hir/map/mod.rs:744:18: expected item, found assoc constant T in T::T (hir_id=HirId { owner: DefId(0:4 ~ mutant[317d]::T::T), local_id: 0 }) thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1007:9 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace note: the compiler unexpectedly panicked. this is a bug. 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: rustc 1.55.0-nightly (a435b49e8 2021-06-28) running on x86_64-unknown-linux-gnu query stack during panic: #0 [typeck] type-checking `T::T` #1 [typeck_item_bodies] type-checking all item bodies end of query stack error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0601`. Backtrace
error[E0601]: `main` function not found in crate `mutant` --> mutant.rs:1:1 | 1 | / trait T { 2 | | const T: usize = return; 3 | | } | |_^ consider adding a `main` function to `mutant.rs` error: internal compiler error: compiler/rustc_middle/src/hir/map/mod.rs:744:18: expected item, found assoc constant T in T::T (hir_id=HirId { owner: DefId(0:4 ~ mutant[317d]::T::T), local_id: 0 }) thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1007:9 stack backtrace: 0: std::panicking::begin_panic 1: std::panic::panic_any 2: rustc_errors::HandlerInner::bug 3: rustc_errors::Handler::bug 4: rustc_middle::ty::context::tls::with_opt 5: rustc_middle::util::bug::opt_span_bug_fmt 6: rustc_middle::util::bug::bug_fmt 7: rustc_middle::hir::map::Map::expect_item 8: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind 9: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation 10: rustc_infer::infer::InferCtxtBuilder::enter 11: rustc_typeck::check::typeck 12: rustc_query_system::query::plumbing::get_query_impl 13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck 14: rustc_middle::ty::<impl rustc_middle::ty::context::TyCtxt>::par_body_owners 15: rustc_typeck::check::typeck_item_bodies 16: rustc_query_system::query::plumbing::get_query_impl 17: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies 18: rustc_session::utils::<impl rustc_session::session::Session>::time 19: rustc_typeck::check_crate 20: rustc_interface::passes::analysis 21: rustc_query_system::query::plumbing::get_query_impl 22: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis 23: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter 24: rustc_span::with_source_map 25: rustc_interface::interface::create_compiler_and_run 26: scoped_tls::ScopedKey<T>::set note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace. note: the compiler unexpectedly panicked. this is a bug. 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: rustc 1.55.0-nightly (a435b49e8 2021-06-28) running on x86_64-unknown-linux-gnu query stack during panic: #0 [typeck] type-checking `T::T` #1 [typeck_item_bodies] type-checking all item bodies #2 [analysis] running analysis passes on this crate end of query stack error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0601`.