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ice: bad placeholder type / broken MIR / TyKind::Error constructed but no error reported / mir_const_qualif: MIR had errors / implemented const ASSOC has an incompatible type for trait #112491

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matthiaskrgr opened this issue Jun 10, 2023 · 1 comment · Fixed by #112506
Closed

ice: bad placeholder type / broken MIR / TyKind::Error constructed but no error reported / mir_const_qualif: MIR had errors / implemented const ASSOC has an incompatible type for trait #112491

matthiaskrgr opened this issue Jun 10, 2023 · 1 comment · Fixed by #112506
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@compiler-errors
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@matthiaskrgr
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Code

Crashes since at least 1.52.1

trait Trait {
    const ASSOC: fn(&'static u32);
}
impl Trait for () {
    const ASSOC: Fn(i32) -> _ = |_| ();
}

fn main() {
    let _ = <() as Trait>::ASSOC;
}

Meta

rustc --version --verbose:

rustc 1.72.0-nightly (43062c43d 2023-06-09)
binary: rustc
commit-hash: 43062c43d2a63cf4e261c6eddc417575c4f3062f
commit-date: 2023-06-09
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5

Error output

warning: trait objects without an explicit `dyn` are deprecated
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:18
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                  ^^^^^^^^^^^^
  |
  = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
  = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
  = note: `#[warn(bare_trait_objects)]` on by default
help: use `dyn`
  |
6 |     const ASSOC: dyn Fn(i32) -> _ = |_| ();
  |                  +++
Backtrace 

warning: trait objects without an explicit `dyn` are deprecated
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:18
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                  ^^^^^^^^^^^^
  |
  = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
  = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
  = note: `#[warn(bare_trait_objects)]` on by default
help: use `dyn`
  |
6 |     const ASSOC: dyn Fn(i32) -> _ = |_| ();
  |                  +++

error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: bad placeholder type
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:29
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                             ^
  |
  = note: delayed at compiler/rustc_hir_analysis/src/collect.rs:383:20
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
             2: <rustc_middle::ty::context::TyCtxt>::ty_error_with_message::<rustc_span::span_encoding::Span, &str>
             3: <dyn rustc_hir_analysis::astconv::AstConv>::ast_ty_to_ty_inner::{closure#0}
             4: <dyn rustc_hir_analysis::astconv::AstConv>::instantiate_poly_trait_ref_inner
             5: <dyn rustc_hir_analysis::astconv::AstConv>::instantiate_poly_trait_ref
             6: <dyn rustc_hir_analysis::astconv::AstConv>::conv_object_ty_poly_trait_ref
             7: <dyn rustc_hir_analysis::astconv::AstConv>::ast_ty_to_ty_inner::{closure#0}
             8: rustc_hir_analysis::collect::type_of::type_of
             9: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            10: <rustc_query_impl::query_impl::type_of::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId)>>::call_once
            11: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::DefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            12: rustc_query_impl::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
            13: <rustc_hir_analysis::collect::CollectItemTypesVisitor as rustc_hir::intravisit::Visitor>::visit_impl_item
            14: <rustc_middle::hir::map::Map>::visit_item_likes_in_module::<rustc_hir_analysis::collect::CollectItemTypesVisitor>
            15: rustc_hir_analysis::collect::collect_mod_item_types
            16: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::collect_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
            17: <rustc_query_impl::query_impl::collect_mod_item_types::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            18: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            19: rustc_query_impl::query_impl::collect_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
            20: <rustc_middle::hir::map::Map>::for_each_module::<rustc_hir_analysis::check_crate::{closure#0}::{closure#0}::{closure#0}>
            21: <rustc_session::session::Session>::track_errors::<rustc_hir_analysis::check_crate::{closure#0}, ()>
            22: rustc_hir_analysis::check_crate
            23: rustc_interface::passes::analysis
            24: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            25: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            26: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            27: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            28: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            29: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            30: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            31: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            32: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            33: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            34: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            35: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            36: <unknown>
            37: <unknown>


error: internal compiler error[E0326]: implemented const `ASSOC` has an incompatible type for trait
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:18
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                  ^^^^^^^^^^^^
  |
  = note: delayed at compiler/rustc_hir_analysis/src/check/compare_impl_item.rs:1719:24
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::emit_diagnostic
             2: <rustc_span::ErrorGuaranteed as rustc_errors::diagnostic_builder::EmissionGuarantee>::diagnostic_builder_emit_producing_guarantee
             3: rustc_hir_analysis::check::compare_impl_item::compare_impl_const_raw
             4: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::compare_impl_const::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
             5: <rustc_query_impl::query_impl::compare_impl_const::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, (rustc_span::def_id::LocalDefId, rustc_span::def_id::DefId))>>::call_once
             6: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<(rustc_span::def_id::LocalDefId, rustc_span::def_id::DefId), rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
             7: rustc_query_impl::query_impl::compare_impl_const::get_query_non_incr::__rust_end_short_backtrace
             8: rustc_hir_analysis::check::check::check_mod_item_types
             9: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
            10: <rustc_query_impl::query_impl::check_mod_item_types::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            11: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            12: rustc_query_impl::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
            13: <rustc_middle::hir::map::Map>::for_each_module::<rustc_hir_analysis::check_crate::{closure#6}::{closure#0}>
            14: <rustc_session::session::Session>::time::<(), rustc_hir_analysis::check_crate::{closure#6}>
            15: rustc_hir_analysis::check_crate
            16: rustc_interface::passes::analysis
            17: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            18: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            19: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            20: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            21: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            23: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            24: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            25: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            26: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            27: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            28: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            29: <unknown>
            30: <unknown>


error: internal compiler error: mir_const_qualif: MIR had errors
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:5
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: delayed at compiler/rustc_mir_transform/src/lib.rs:246:18
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
             2: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_const_qualif::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 5]>>
             3: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::DefId, rustc_middle::query::erase::Erased<[u8; 5]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
             4: rustc_query_impl::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace
             5: rustc_mir_transform::mir_promoted
             6: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 16]>>
             7: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 16]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
             8: rustc_query_impl::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
             9: rustc_borrowck::mir_borrowck
            10: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            11: <rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            12: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            13: rustc_query_impl::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
            14: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_interface::passes::analysis::{closure#1}::{closure#0}>::{closure#0}>
            15: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#1}>
            16: rustc_interface::passes::analysis
            17: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            18: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            19: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            20: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            21: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            23: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            24: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            25: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            26: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            27: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            28: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            29: <unknown>
            30: <unknown>


error: internal compiler error: broken MIR in DefId(0:6 ~ E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9[11c6]::{impl#0}::ASSOC) ("return type"): bad type {type error}
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:5
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:503:13
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
             2: <rustc_borrowck::type_check::TypeVerifier as rustc_middle::mir::visit::Visitor>::visit_body
             3: rustc_borrowck::type_check::type_check
             4: rustc_borrowck::nll::compute_regions
             5: rustc_borrowck::do_mir_borrowck
             6: rustc_borrowck::mir_borrowck
             7: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             8: <rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
             9: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            10: rustc_query_impl::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
            11: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_interface::passes::analysis::{closure#1}::{closure#0}>::{closure#0}>
            12: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#1}>
            13: rustc_interface::passes::analysis
            14: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            15: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            16: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            17: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            18: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            19: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            20: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            21: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            23: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            24: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            25: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            26: <unknown>
            27: <unknown>


error: internal compiler error: TyKind::Error constructed but no error reported
  |
  = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:753:20
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
             2: <rustc_middle::ty::context::TyCtxt>::ty_error_misc
             3: <rustc_borrowck::type_check::TypeVerifier as rustc_middle::mir::visit::Visitor>::visit_body
             4: rustc_borrowck::type_check::type_check
             5: rustc_borrowck::nll::compute_regions
             6: rustc_borrowck::do_mir_borrowck
             7: rustc_borrowck::mir_borrowck
             8: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             9: <rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            10: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            11: rustc_query_impl::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
            12: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_interface::passes::analysis::{closure#1}::{closure#0}>::{closure#0}>
            13: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#1}>
            14: rustc_interface::passes::analysis
            15: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            16: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            17: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            18: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            19: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            20: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            21: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            23: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            24: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            25: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            26: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            27: <unknown>
            28: <unknown>


error: internal compiler error: broken MIR in DefId(0:6 ~ E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9[11c6]::{impl#0}::ASSOC) (LocalDecl { mutability: Mut, local_info: Set(Boring), internal: false, ty: {type error}, user_ty: None, source_info: SourceInfo { span: /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:5: 6:30 (#0), scope: scope[0] } }): bad type {type error}
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:5
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:503:13
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
             2: <rustc_borrowck::type_check::TypeVerifier as rustc_middle::mir::visit::Visitor>::visit_body
             3: rustc_borrowck::type_check::type_check
             4: rustc_borrowck::nll::compute_regions
             5: rustc_borrowck::do_mir_borrowck
             6: rustc_borrowck::mir_borrowck
             7: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             8: <rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
             9: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            10: rustc_query_impl::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
            11: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_interface::passes::analysis::{closure#1}::{closure#0}>::{closure#0}>
            12: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#1}>
            13: rustc_interface::passes::analysis
            14: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            15: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            16: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            17: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            18: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            19: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            20: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            21: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            23: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            24: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            25: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            26: <unknown>
            27: <unknown>


error: internal compiler error: broken MIR in DefId(0:7 ~ E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9[11c6]::{impl#0}::ASSOC::{closure#0}) ("return type"): bad type {type error}
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:33
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                                 ^^^
  |
  = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:503:13
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
             2: <rustc_borrowck::type_check::TypeVerifier as rustc_middle::mir::visit::Visitor>::visit_body
             3: rustc_borrowck::type_check::type_check
             4: rustc_borrowck::nll::compute_regions
             5: rustc_borrowck::do_mir_borrowck
             6: rustc_borrowck::mir_borrowck
             7: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             8: <rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
             9: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            10: rustc_query_impl::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
            11: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_interface::passes::analysis::{closure#1}::{closure#0}>::{closure#0}>
            12: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#1}>
            13: rustc_interface::passes::analysis
            14: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            15: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            16: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            17: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            18: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            19: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            20: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            21: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            23: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            24: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            25: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            26: <unknown>
            27: <unknown>


error: internal compiler error: broken MIR in DefId(0:7 ~ E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9[11c6]::{impl#0}::ASSOC::{closure#0}) (LocalDecl { mutability: Mut, local_info: Set(Boring), internal: false, ty: {type error}, user_ty: None, source_info: SourceInfo { span: /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:33: 6:36 (#0), scope: scope[0] } }): bad type {type error}
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:33
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                                 ^^^
  |
  = note: delayed at compiler/rustc_borrowck/src/type_check/mod.rs:503:13
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, alloc::string::String>
             2: <rustc_borrowck::type_check::TypeVerifier as rustc_middle::mir::visit::Visitor>::visit_body
             3: rustc_borrowck::type_check::type_check
             4: rustc_borrowck::nll::compute_regions
             5: rustc_borrowck::do_mir_borrowck
             6: rustc_borrowck::mir_borrowck
             7: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             8: <rustc_query_impl::query_impl::mir_borrowck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
             9: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            10: rustc_query_impl::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
            11: rustc_data_structures::sync::par_for_each_in::<&[rustc_span::def_id::LocalDefId], <rustc_middle::hir::map::Map>::par_body_owners<rustc_interface::passes::analysis::{closure#1}::{closure#0}>::{closure#0}>
            12: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#1}>
            13: rustc_interface::passes::analysis
            14: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            15: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            16: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            17: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            18: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            19: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            20: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            21: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            22: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            23: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            24: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            25: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            26: <unknown>
            27: <unknown>


error: internal compiler error: bad placeholder type
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:29
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                             ^
  |
  = note: delayed at compiler/rustc_hir_analysis/src/collect.rs:383:20
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
             2: <rustc_middle::ty::context::TyCtxt>::ty_error_with_message::<rustc_span::span_encoding::Span, &str>
             3: <dyn rustc_hir_analysis::astconv::AstConv>::ast_ty_to_ty_inner::{closure#0}
             4: <dyn rustc_hir_analysis::astconv::AstConv>::instantiate_poly_trait_ref_inner
             5: <dyn rustc_hir_analysis::astconv::AstConv>::instantiate_poly_trait_ref
             6: <dyn rustc_hir_analysis::astconv::AstConv>::conv_object_ty_poly_trait_ref
             7: <dyn rustc_hir_analysis::astconv::AstConv>::ast_ty_to_ty_inner::{closure#0}
             8: rustc_hir_analysis::hir_ty_to_ty
             9: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_ty
            10: rustc_hir::intravisit::walk_impl_item::<rustc_privacy::TypePrivacyVisitor>
            11: rustc_hir::intravisit::walk_item::<rustc_privacy::TypePrivacyVisitor>
            12: rustc_privacy::check_mod_privacy
            13: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_privacy::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
            14: <rustc_query_impl::query_impl::check_mod_privacy::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            15: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            16: rustc_query_impl::query_impl::check_mod_privacy::get_query_non_incr::__rust_end_short_backtrace
            17: rustc_data_structures::sync::par_for_each_in::<&[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_interface::passes::analysis::{closure#5}::{closure#2}::{closure#0}::{closure#0}>::{closure#0}>
            18: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#5}::{closure#2}::{closure#0}>
            19: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#5}>
            20: rustc_interface::passes::analysis
            21: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            22: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            23: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            24: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            25: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            26: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            27: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            28: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            29: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            30: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            31: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            32: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            33: <unknown>
            34: <unknown>


error: internal compiler error: bad placeholder type
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:29
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                             ^
  |
  = note: delayed at compiler/rustc_hir_analysis/src/collect.rs:383:20
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
             2: <rustc_middle::ty::context::TyCtxt>::ty_error_with_message::<rustc_span::span_encoding::Span, &str>
             3: <dyn rustc_hir_analysis::astconv::AstConv>::ast_ty_to_ty_inner::{closure#0}
             4: <dyn rustc_hir_analysis::astconv::AstConv>::instantiate_poly_trait_ref_inner
             5: rustc_hir_analysis::hir_trait_to_predicates
             6: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_trait_ref
             7: rustc_hir::intravisit::walk_ty::<rustc_privacy::TypePrivacyVisitor>
             8: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_ty
             9: rustc_hir::intravisit::walk_impl_item::<rustc_privacy::TypePrivacyVisitor>
            10: rustc_hir::intravisit::walk_item::<rustc_privacy::TypePrivacyVisitor>
            11: rustc_privacy::check_mod_privacy
            12: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_privacy::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
            13: <rustc_query_impl::query_impl::check_mod_privacy::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            14: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            15: rustc_query_impl::query_impl::check_mod_privacy::get_query_non_incr::__rust_end_short_backtrace
            16: rustc_data_structures::sync::par_for_each_in::<&[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_interface::passes::analysis::{closure#5}::{closure#2}::{closure#0}::{closure#0}>::{closure#0}>
            17: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#5}::{closure#2}::{closure#0}>
            18: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#5}>
            19: rustc_interface::passes::analysis
            20: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            21: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            22: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            23: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            24: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            25: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            26: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            27: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            28: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            29: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            30: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            31: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            32: <unknown>
            33: <unknown>


error: internal compiler error: bad placeholder type
 --> /home/matthias/vcs/github/rust/tests/icemaker/E3FB1755AFF2085B0BE6926348C0D441AF8E0D93985C19DC8D5E725FBE8DF8E9.rs:6:29
  |
6 |     const ASSOC: Fn(i32) -> _ = |_| ();
  |                             ^
  |
  = note: delayed at compiler/rustc_hir_analysis/src/collect.rs:383:20
             0: <rustc_errors::HandlerInner>::emit_diagnostic
             1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
             2: <rustc_middle::ty::context::TyCtxt>::ty_error_with_message::<rustc_span::span_encoding::Span, &str>
             3: <dyn rustc_hir_analysis::astconv::AstConv>::ast_ty_to_ty_inner::{closure#0}
             4: rustc_hir_analysis::hir_ty_to_ty
             5: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_ty
             6: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_generic_args
             7: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_trait_ref
             8: rustc_hir::intravisit::walk_ty::<rustc_privacy::TypePrivacyVisitor>
             9: <rustc_privacy::TypePrivacyVisitor as rustc_hir::intravisit::Visitor>::visit_ty
            10: rustc_hir::intravisit::walk_impl_item::<rustc_privacy::TypePrivacyVisitor>
            11: rustc_hir::intravisit::walk_item::<rustc_privacy::TypePrivacyVisitor>
            12: rustc_privacy::check_mod_privacy
            13: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_privacy::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
            14: <rustc_query_impl::query_impl::check_mod_privacy::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            15: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            16: rustc_query_impl::query_impl::check_mod_privacy::get_query_non_incr::__rust_end_short_backtrace
            17: rustc_data_structures::sync::par_for_each_in::<&[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_interface::passes::analysis::{closure#5}::{closure#2}::{closure#0}::{closure#0}>::{closure#0}>
            18: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#5}::{closure#2}::{closure#0}>
            19: <rustc_session::session::Session>::time::<(), rustc_interface::passes::analysis::{closure#5}>
            20: rustc_interface::passes::analysis
            21: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            22: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            23: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
            24: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
            25: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            26: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            27: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            28: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            29: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            30: call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            31: call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/alloc/src/boxed.rs:1985:9
            32: thread_start
                       at /rustc/43062c43d2a63cf4e261c6eddc417575c4f3062f/library/std/src/sys/unix/thread.rs:108:17
            33: <unknown>
            34: <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: rustc 1.72.0-nightly (43062c43d 2023-06-09) running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack
error: aborting due to 12 previous errors; 1 warning emitted

For more information about this error, try `rustc --explain E0326`.

@matthiaskrgr matthiaskrgr added 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. C-bug Category: This is a bug. regression-from-stable-to-stable Performance or correctness regression from one stable version to another. labels Jun 10, 2023
@rustbot rustbot added the I-prioritize Issue: Indicates that prioritization has been requested for this issue. label Jun 10, 2023
@compiler-errors compiler-errors self-assigned this Jun 10, 2023
@compiler-errors compiler-errors mentioned this issue Jun 10, 2023
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WG-prioritization assigning priority (Zulip discussion).

@rustbot label -I-prioritize +P-medium

@rustbot rustbot added P-medium Medium priority and removed I-prioritize Issue: Indicates that prioritization has been requested for this issue. labels Jun 13, 2023
@bors bors closed this as completed in c1b4d07 Jun 14, 2023
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Properly check associated consts for infer placeholders compiler-errors/rust
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