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[ICE]: Encountered anon const with inference variable args but no error reported #133199

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vinay10949 opened this issue Nov 19, 2024 · 6 comments
Open
1 of 4 tasks

[ICE]: Encountered anon const with inference variable args but no error reported #133199

vinay10949 opened this issue Nov 19, 2024 · 6 comments
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@BoxyUwU
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C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-bisection Status: a bisection has been found for this issue S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@vinay10949
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Code

I encountered an internal compiler error (ICE) while compiling a Rust project using rustc version 1.84.0-nightly (03ee48451 2024-11-18) on the aarch64-apple-darwin platform. The error message indicates that an anonymous constant with inference variable arguments was encountered, but no error was reported. This appears to be an issue within the compiler.

error: internal compiler error: Encountered anon const with inference variable args but no error reported
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/mod.rs:592:27 - disabled backtrace

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: please attach the file at `/Users/vinay10949/Projects/decentralization/mishti/rustc-ice-2024-11-19T06_49_51-30490.txt` to your bug report

query stack during panic:
end of query stack
warning: `cli` (bin "cli") generated 2 warnings
error: could not compile `cli` (bin "cli"); 2 warnings emitted

Affected release channels

  • Previous Stable
  • Current Stable
  • Current Beta
  • Current Nightly

Rust Version

rustc --version --verbose
  rustc 1.84.0-nightly (03ee48451 2024-11-18)
  binary: rustc
  commit-hash: 03ee48451ff514defe859dd8e879ca1bd835789e
  host: aarch64-apple-darwin
  release: 1.84.0-nightly
  LLVM version: 17.0.0

Current error output

delayed bug: Encountered anon const with inference variable args but no error reported
disabled backtrace
delayed bug: Encountered anon const with inference variable args but no error reported
disabled backtrace
delayed bug: Encountered anon const with inference variable args but no error reported
disabled backtrace
delayed bug: Encountered anon const with inference variable args but no error reported
disabled backtrace
delayed bug: Encountered anon const with inference variable args but no error reported
disabled backtrace


rustc version: 1.84.0-nightly (03ee48451 2024-11-18)
platform: aarch64-apple-darwin⏎

Backtrace

error: internal compiler error: Encountered anon const with inference variable args but no error reported
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/mod.rs:592:27
             0: std::backtrace::Backtrace::create
             1: <rustc_errors::DiagCtxtInner>::emit_diagnostic
             2: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
             3: <rustc_errors::diagnostic::Diag>::emit_producing_error_guaranteed
             4: <rustc_errors::DiagCtxtHandle>::delayed_bug::<&str>
             5: rustc_trait_selection::traits::try_evaluate_const
             6: rustc_trait_selection::traits::util::with_replaced_escaping_bound_vars::<rustc_middle::ty::consts::Const, rustc_middle::ty::consts::Const, <rustc_trait_selection::traits::normalize::AssocTypeNormalizer as rustc_type_ir::fold::TypeFolder<rustc_middle::ty::context::TyCtxt>>::fold_const::{closure#0}>
             7: <rustc_trait_selection::traits::normalize::AssocTypeNormalizer as rustc_type_ir::fold::TypeFolder<rustc_middle::ty::context::TyCtxt>>::fold_const
             8: <rustc_type_ir::predicate_kind::PredicateKind<rustc_middle::ty::context::TyCtxt> as rustc_type_ir::fold::TypeFoldable<rustc_middle::ty::context::TyCtxt>>::try_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
             9: <rustc_middle::ty::predicate::Predicate as rustc_type_ir::fold::TypeSuperFoldable<rustc_middle::ty::context::TyCtxt>>::try_super_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
            10: alloc::vec::in_place_collect::from_iter_in_place::<core::iter::adapters::GenericShunt<core::iter::adapters::map::Map<alloc::vec::into_iter::IntoIter<rustc_middle::ty::predicate::Clause>, <alloc::vec::Vec<rustc_middle::ty::predicate::Clause> as rustc_type_ir::fold::TypeFoldable<rustc_middle::ty::context::TyCtxt>>::try_fold_with<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>::{closure#0}>, core::result::Result<core::convert::Infallible, !>>, rustc_middle::ty::predicate::Clause>
            11: <rustc_trait_selection::traits::normalize::AssocTypeNormalizer>::fold::<rustc_middle::ty::InstantiatedPredicates>
            12: rustc_trait_selection::traits::normalize::normalize_with_depth::<rustc_middle::ty::InstantiatedPredicates>
            13: <rustc_infer::infer::at::At as rustc_trait_selection::traits::normalize::NormalizeExt>::normalize::<rustc_middle::ty::InstantiatedPredicates>
            14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::instantiate_bounds
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::add_required_obligations_for_hir
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::instantiate_value_path
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_path
            18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            19: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            23: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_decl
            24: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            25: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            26: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            27: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            28: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            29: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            30: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            31: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            32: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            33: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            34: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            35: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            36: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            37: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            38: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            39: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            40: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            41: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            42: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            43: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            44: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            45: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            46: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            47: rustc_hir_typeck::check::check_fn
            48: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            49: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            50: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            51: rustc_hir_typeck::check::check_fn
            52: rustc_hir_typeck::typeck
            53: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            54: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            55: 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, true>
            56: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            57: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>>
            58: rustc_hir_analysis::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
            59: rustc_hir_analysis::collect::type_of::type_of_opaque
            60: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            61: <rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId)>>::call_once
            62: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            63: rustc_query_impl::query_impl::type_of_opaque::get_query_incr::__rust_end_short_backtrace
            64: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            65: rustc_hir_analysis::collect::type_of::type_of
            66: 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]>>
            67: <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
            68: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            69: rustc_query_impl::query_impl::type_of::get_query_incr::__rust_end_short_backtrace
            70: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            71: rustc_hir_analysis::check::check::check_item_type
            72: rustc_hir_analysis::check::wfcheck::check_well_formed
            73: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            74: <rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            75: 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; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            76: rustc_query_impl::query_impl::check_well_formed::get_query_incr::__rust_end_short_backtrace
            77: rustc_middle::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, ()>
            78: <rustc_middle::hir::ModuleItems>::par_opaques::<rustc_hir_analysis::check::wfcheck::check_mod_type_wf::{closure#4}>
            79: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
            80: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            81: <rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalModDefId)>>::call_once
            82: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalModDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            83: rustc_query_impl::query_impl::check_mod_type_wf::get_query_incr::__rust_end_short_backtrace
            84: <rustc_data_structures::sync::parallel::ParallelGuard>::run::<(), rustc_data_structures::sync::parallel::par_for_each_in<&rustc_hir::hir_id::OwnerId, &[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_hir_analysis::check_crate::{closure#0}::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}::{closure#0}>
            85: rustc_hir_analysis::check_crate
            86: rustc_interface::passes::analysis
            87: 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]>>
            88: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            89: 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, true>
            90: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            91: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}::{closure#5}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            92: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            93: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            94: rustc_span::create_session_globals_then::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}>
            95: std::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            96: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{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}
            97: std::sys::pal::unix::thread::Thread::new::thread_start
            98: __pthread_joiner_wake
          

error: internal compiler error: Encountered anon const with inference variable args but no error reported
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/mod.rs:592:27
             0: std::backtrace::Backtrace::create
             1: <rustc_errors::DiagCtxtInner>::emit_diagnostic
             2: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
             3: <rustc_errors::diagnostic::Diag>::emit_producing_error_guaranteed
             4: <rustc_errors::DiagCtxtHandle>::delayed_bug::<&str>
             5: rustc_trait_selection::traits::try_evaluate_const
             6: rustc_trait_selection::traits::util::with_replaced_escaping_bound_vars::<rustc_middle::ty::consts::Const, rustc_middle::ty::consts::Const, <rustc_trait_selection::traits::normalize::AssocTypeNormalizer as rustc_type_ir::fold::TypeFolder<rustc_middle::ty::context::TyCtxt>>::fold_const::{closure#0}>
             7: <rustc_trait_selection::traits::normalize::AssocTypeNormalizer as rustc_type_ir::fold::TypeFolder<rustc_middle::ty::context::TyCtxt>>::fold_const
             8: <rustc_type_ir::predicate_kind::PredicateKind<rustc_middle::ty::context::TyCtxt> as rustc_type_ir::fold::TypeFoldable<rustc_middle::ty::context::TyCtxt>>::try_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
             9: <rustc_middle::ty::predicate::Predicate as rustc_type_ir::fold::TypeSuperFoldable<rustc_middle::ty::context::TyCtxt>>::try_super_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
            10: rustc_trait_selection::traits::normalize::normalize_with_depth_to::<rustc_middle::ty::predicate::Predicate>
            11: <rustc_trait_selection::traits::fulfill::FulfillProcessor as rustc_data_structures::obligation_forest::ObligationProcessor>::process_obligation
            12: <rustc_data_structures::obligation_forest::ObligationForest<rustc_trait_selection::traits::fulfill::PendingPredicateObligation>>::process_obligations::<rustc_trait_selection::traits::fulfill::FulfillProcessor>
            13: <rustc_trait_selection::traits::fulfill::FulfillmentContext<rustc_trait_selection::traits::FulfillmentError> as rustc_infer::traits::engine::TraitEngine<rustc_trait_selection::traits::FulfillmentError>>::select_where_possible
            14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::resolve_vars_with_obligations
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::try_structurally_resolve_type
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::structurally_resolve_type
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            19: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_decl
            22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            23: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            24: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            25: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            26: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            27: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            28: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            29: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            30: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            31: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            32: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            33: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            34: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            35: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            36: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            37: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            38: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            39: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            40: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            41: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            42: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            43: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            44: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            45: rustc_hir_typeck::check::check_fn
            46: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            47: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            48: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            49: rustc_hir_typeck::check::check_fn
            50: rustc_hir_typeck::typeck
            51: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            52: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            53: 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, true>
            54: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            55: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>>
            56: rustc_hir_analysis::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
            57: rustc_hir_analysis::collect::type_of::type_of_opaque
            58: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            59: <rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId)>>::call_once
            60: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            61: rustc_query_impl::query_impl::type_of_opaque::get_query_incr::__rust_end_short_backtrace
            62: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            63: rustc_hir_analysis::collect::type_of::type_of
            64: 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]>>
            65: <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
            66: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            67: rustc_query_impl::query_impl::type_of::get_query_incr::__rust_end_short_backtrace
            68: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            69: rustc_hir_analysis::check::check::check_item_type
            70: rustc_hir_analysis::check::wfcheck::check_well_formed
            71: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            72: <rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            73: 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; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            74: rustc_query_impl::query_impl::check_well_formed::get_query_incr::__rust_end_short_backtrace
            75: rustc_middle::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, ()>
            76: <rustc_middle::hir::ModuleItems>::par_opaques::<rustc_hir_analysis::check::wfcheck::check_mod_type_wf::{closure#4}>
            77: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
            78: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            79: <rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalModDefId)>>::call_once
            80: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalModDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            81: rustc_query_impl::query_impl::check_mod_type_wf::get_query_incr::__rust_end_short_backtrace
            82: <rustc_data_structures::sync::parallel::ParallelGuard>::run::<(), rustc_data_structures::sync::parallel::par_for_each_in<&rustc_hir::hir_id::OwnerId, &[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_hir_analysis::check_crate::{closure#0}::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}::{closure#0}>
            83: rustc_hir_analysis::check_crate
            84: rustc_interface::passes::analysis
            85: 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]>>
            86: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            87: 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, true>
            88: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            89: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}::{closure#5}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            90: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            91: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            92: rustc_span::create_session_globals_then::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}>
            93: std::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            94: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{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}
            95: std::sys::pal::unix::thread::Thread::new::thread_start
            96: __pthread_joiner_wake
          

error: internal compiler error: Encountered anon const with inference variable args but no error reported
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/mod.rs:592:27
             0: std::backtrace::Backtrace::create
             1: <rustc_errors::DiagCtxtInner>::emit_diagnostic
             2: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
             3: <rustc_errors::diagnostic::Diag>::emit_producing_error_guaranteed
             4: <rustc_errors::DiagCtxtHandle>::delayed_bug::<&str>
             5: rustc_trait_selection::traits::try_evaluate_const
             6: rustc_trait_selection::traits::const_evaluatable::is_const_evaluatable
             7: <rustc_trait_selection::traits::fulfill::FulfillProcessor as rustc_data_structures::obligation_forest::ObligationProcessor>::process_obligation
             8: <rustc_data_structures::obligation_forest::ObligationForest<rustc_trait_selection::traits::fulfill::PendingPredicateObligation>>::process_obligations::<rustc_trait_selection::traits::fulfill::FulfillProcessor>
             9: <rustc_trait_selection::traits::fulfill::FulfillmentContext<rustc_trait_selection::traits::FulfillmentError> as rustc_infer::traits::engine::TraitEngine<rustc_trait_selection::traits::FulfillmentError>>::select_where_possible
            10: <rustc_hir_typeck::fn_ctxt::FnCtxt>::resolve_vars_with_obligations
            11: <rustc_hir_typeck::fn_ctxt::FnCtxt>::try_structurally_resolve_type
            12: <rustc_hir_typeck::fn_ctxt::FnCtxt>::structurally_resolve_type
            13: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_decl
            18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            19: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            23: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            24: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            25: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            26: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            27: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            28: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            29: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            30: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            31: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            32: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            33: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            34: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            35: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            36: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            37: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            38: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            39: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            40: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            41: rustc_hir_typeck::check::check_fn
            42: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            43: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            44: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            45: rustc_hir_typeck::check::check_fn
            46: rustc_hir_typeck::typeck
            47: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            48: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            49: 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, true>
            50: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            51: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>>
            52: rustc_hir_analysis::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
            53: rustc_hir_analysis::collect::type_of::type_of_opaque
            54: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            55: <rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId)>>::call_once
            56: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            57: rustc_query_impl::query_impl::type_of_opaque::get_query_incr::__rust_end_short_backtrace
            58: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            59: rustc_hir_analysis::collect::type_of::type_of
            60: 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]>>
            61: <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
            62: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            63: rustc_query_impl::query_impl::type_of::get_query_incr::__rust_end_short_backtrace
            64: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            65: rustc_hir_analysis::check::check::check_item_type
            66: rustc_hir_analysis::check::wfcheck::check_well_formed
            67: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            68: <rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            69: 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; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            70: rustc_query_impl::query_impl::check_well_formed::get_query_incr::__rust_end_short_backtrace
            71: rustc_middle::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, ()>
            72: <rustc_middle::hir::ModuleItems>::par_opaques::<rustc_hir_analysis::check::wfcheck::check_mod_type_wf::{closure#4}>
            73: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
            74: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            75: <rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalModDefId)>>::call_once
            76: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalModDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            77: rustc_query_impl::query_impl::check_mod_type_wf::get_query_incr::__rust_end_short_backtrace
            78: <rustc_data_structures::sync::parallel::ParallelGuard>::run::<(), rustc_data_structures::sync::parallel::par_for_each_in<&rustc_hir::hir_id::OwnerId, &[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_hir_analysis::check_crate::{closure#0}::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}::{closure#0}>
            79: rustc_hir_analysis::check_crate
            80: rustc_interface::passes::analysis
            81: 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]>>
            82: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            83: 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, true>
            84: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            85: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}::{closure#5}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            86: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            87: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            88: rustc_span::create_session_globals_then::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}>
            89: std::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            90: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{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}
            91: std::sys::pal::unix::thread::Thread::new::thread_start
            92: __pthread_joiner_wake
          

error: internal compiler error: Encountered anon const with inference variable args but no error reported
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/mod.rs:592:27
             0: std::backtrace::Backtrace::create
             1: <rustc_errors::DiagCtxtInner>::emit_diagnostic
             2: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
             3: <rustc_errors::diagnostic::Diag>::emit_producing_error_guaranteed
             4: <rustc_errors::DiagCtxtHandle>::delayed_bug::<&str>
             5: rustc_trait_selection::traits::try_evaluate_const
             6: rustc_trait_selection::traits::util::with_replaced_escaping_bound_vars::<rustc_middle::ty::consts::Const, rustc_middle::ty::consts::Const, <rustc_trait_selection::traits::normalize::AssocTypeNormalizer as rustc_type_ir::fold::TypeFolder<rustc_middle::ty::context::TyCtxt>>::fold_const::{closure#0}>
             7: <rustc_trait_selection::traits::normalize::AssocTypeNormalizer as rustc_type_ir::fold::TypeFolder<rustc_middle::ty::context::TyCtxt>>::fold_const
             8: <rustc_middle::ty::Ty as rustc_type_ir::fold::TypeSuperFoldable<rustc_middle::ty::context::TyCtxt>>::try_super_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
             9: <&rustc_middle::ty::list::RawList<(), rustc_middle::ty::generic_args::GenericArg> as rustc_type_ir::fold::TypeFoldable<rustc_middle::ty::context::TyCtxt>>::try_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
            10: <rustc_middle::ty::Ty as rustc_type_ir::fold::TypeSuperFoldable<rustc_middle::ty::context::TyCtxt>>::try_super_fold_with::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>
            11: rustc_middle::ty::util::fold_list::<rustc_trait_selection::traits::normalize::AssocTypeNormalizer, &rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty>, rustc_middle::ty::Ty, <&rustc_middle::ty::list::RawList<(), rustc_middle::ty::Ty> as rustc_type_ir::fold::TypeFoldable<rustc_middle::ty::context::TyCtxt>>::try_fold_with<rustc_trait_selection::traits::normalize::AssocTypeNormalizer>::{closure#0}>
            12: <rustc_trait_selection::traits::normalize::AssocTypeNormalizer>::fold::<rustc_type_ir::ty_kind::FnSig<rustc_middle::ty::context::TyCtxt>>
            13: rustc_trait_selection::traits::normalize::normalize_with_depth::<rustc_type_ir::ty_kind::FnSig<rustc_middle::ty::context::TyCtxt>>
            14: <rustc_infer::infer::at::At as rustc_trait_selection::traits::normalize::NormalizeExt>::normalize::<rustc_type_ir::ty_kind::FnSig<rustc_middle::ty::context::TyCtxt>>
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::normalize::<rustc_type_ir::ty_kind::FnSig<rustc_middle::ty::context::TyCtxt>>
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::confirm_builtin_call
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            19: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_decl
            22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            23: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            24: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            25: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            26: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            27: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            28: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            29: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            30: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            31: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            32: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            33: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            34: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            35: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            36: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            37: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            38: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            39: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            40: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            41: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            42: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_block
            43: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            44: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            45: rustc_hir_typeck::check::check_fn
            46: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            47: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            48: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_or_body_tail
            49: rustc_hir_typeck::check::check_fn
            50: rustc_hir_typeck::typeck
            51: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            52: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            53: 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, true>
            54: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            55: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>>
            56: rustc_hir_analysis::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
            57: rustc_hir_analysis::collect::type_of::type_of_opaque
            58: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            59: <rustc_query_impl::query_impl::type_of_opaque::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::DefId)>>::call_once
            60: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            61: rustc_query_impl::query_impl::type_of_opaque::get_query_incr::__rust_end_short_backtrace
            62: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            63: rustc_hir_analysis::collect::type_of::type_of
            64: 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]>>
            65: <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
            66: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            67: rustc_query_impl::query_impl::type_of::get_query_incr::__rust_end_short_backtrace
            68: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 8]>>>
            69: rustc_hir_analysis::check::check::check_item_type
            70: rustc_hir_analysis::check::wfcheck::check_well_formed
            71: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            72: <rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            73: 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; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            74: rustc_query_impl::query_impl::check_well_formed::get_query_incr::__rust_end_short_backtrace
            75: rustc_middle::query::plumbing::query_ensure_error_guaranteed::<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, ()>
            76: <rustc_middle::hir::ModuleItems>::par_opaques::<rustc_hir_analysis::check::wfcheck::check_mod_type_wf::{closure#4}>
            77: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
            78: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            79: <rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalModDefId)>>::call_once
            80: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalModDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            81: rustc_query_impl::query_impl::check_mod_type_wf::get_query_incr::__rust_end_short_backtrace
            82: <rustc_data_structures::sync::parallel::ParallelGuard>::run::<(), rustc_data_structures::sync::parallel::par_for_each_in<&rustc_hir::hir_id::OwnerId, &[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_hir_analysis::check_crate::{closure#0}::{closure#0}>::{closure#0}>::{closure#0}::{closure#1}::{closure#0}>
            83: rustc_hir_analysis::check_crate
            84: rustc_interface::passes::analysis
            85: 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]>>
            86: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            87: 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, true>
            88: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            89: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}::{closure#5}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            90: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#0}::{closure#1}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            91: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            92: rustc_span::create_session_globals_then::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}>
            93: std::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            94: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<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#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{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}
            95: std::sys::pal::unix::thread::Thread::new::thread_start
            96: __pthread_joiner_wake
          

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: please attach the file at `/Users/vinay10949/Projects/decentralization/mishti/rustc-ice-2024-11-19T06_58_39-31408.txt` to your bug report

note: compiler flags: --crate-type bin -C opt-level=1 -C embed-bitcode=no -C codegen-units=16 -C incremental=[REDACTED] -C strip=debuginfo

note: some of the compiler flags provided by cargo are hidden
  process didn't exit successfully: `/Users/vinay10949/.rustup/toolchains/nightly-aarch64-apple-darwin/bin/rustc --crate-name cli --edition=2021 crates/cli/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=214 --crate-type bin --emit=dep-info,link -C opt-level=1 -C embed-bitcode=no -C codegen-units=16 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=70ab92cf0b9de42f -C extra-filename=-70ab92cf0b9de42f --out-dir /Users/vinay10949/Projects/decentralization/mishti/target/release/deps -C incremental=/Users/vinay10949/Projects/decentralization/mishti/target/release/incremental -C strip=debuginfo -L dependency=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps --extern ark_ed_on_bn254=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libark_ed_on_bn254-777124926cde145d.rlib --extern bincode=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libbincode-a4f2d93a3bd1ddb3.rlib --extern clap=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libclap-1d47a124b7004df9.rlib --extern ethers=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libethers-1d79a5372af84fcf.rlib --extern hex=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libhex-f69836561b5d2b7a.rlib --extern jsonrpsee=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libjsonrpsee-0fa323a445b5abbc.rlib --extern k256=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libk256-ac9554dfc2fa9660.rlib --extern lazy_static=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/liblazy_static-5e8ba3436795d5f4.rlib --extern messages=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libmessages-bdc67d924ef483e4.rlib --extern mishti_crypto=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libmishti_crypto-902b75e01588415f.rlib --extern rpc=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/librpc-e5365e8e82434d6b.rlib --extern rpc_trait=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/librpc_trait-1ab4dd0cb547c6c6.rlib --extern serde=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libserde-672fcdd673a9e4af.rlib --extern serde_json=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libserde_json-14d850a95cd08348.rlib --extern tokio=/Users/vinay10949/Projects/decentralization/mishti/target/release/deps/libtokio-54ad075d7acae233.rlib -L native=/Users/vinay10949/Projects/decentralization/mishti/target/release/build/ring-86ddefc3f904ee03/out -L native=/Users/vinay10949/Projects/decentralization/mishti/target/release/build/ring-220aa74511dbaf84/out -L native=/Users/vinay10949/Projects/decentralization/mishti/target/release/build/aws-lc-sys-8f36e1429ba5de38/out -L /Library/Developer/CommandLineTools/usr/lib/clang/15.0.0/lib/darwin -L native=/Users/vinay10949/Projects/decentralization/mishti/target/release/build/curl-sys-bd51297106f6900d/out/build -L native=/Users/vinay10949/Projects/decentralization/mishti/target/release/build/libnghttp2-sys-dd553636cd0d1bf6/out/i/lib -L native=/Users/vinay10949/Projects/decentralization/mishti/target/release/build/secp256k1-sys-1c14aa07d67558b4/out` (exit status: 101)

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@vinay10949 vinay10949 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 Nov 19, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Nov 19, 2024
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BoxyUwU commented Nov 19, 2024

are you using any unstable features, do you have a link to the ICEing code or something that would be useful in debugging this?

@fmease fmease added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. labels Nov 19, 2024
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@BoxyUwU I am using this #![feature(generic_const_exprs)]

@BoxyUwU BoxyUwU self-assigned this Nov 19, 2024
@jieyouxu jieyouxu added F-generic_const_exprs `#![feature(generic_const_exprs)]` and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Nov 19, 2024
@jieyouxu jieyouxu mentioned this issue Nov 20, 2024
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jieyouxu commented Nov 20, 2024 •
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Looks like #133243 has a reproducer but not minimal. (That report didn't incl. dep version info, asking)

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jieyouxu commented Nov 20, 2024 •
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MCVE from #133243 (ICEs on master checkout as of bfe809d):

// tests/ui/generic_const_exprs/meow.rs

//@ aux-build: fixed_bit_set.rs

extern crate fixed_bit_set;

use fixed_bit_set::FixedBitSet;

fn main() {
    FixedBitSet::<7>::new();
    //~^ ERROR
}
// tests/ui/generic_const_exprs/auxiliary/fixed_bit_set.rs

#![allow(incomplete_features)]
#![feature(generic_const_exprs)]

pub struct FixedBitSet<const N: usize>;

impl<const N: usize> FixedBitSet<N>
where
    [u8; N.div_ceil(8)]: Sized,
{
    pub fn new() -> Self {
        todo!()
    }
}

@jieyouxu jieyouxu added S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue and removed S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. labels Nov 20, 2024
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@lqd bisected on the other issue to #132927.

@jieyouxu jieyouxu added the S-has-bisection Status: a bisection has been found for this issue label Nov 20, 2024
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jieyouxu commented Nov 20, 2024 •
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Note that in the MCVE, the cross-crate seems to be a necessary condition. Inlining the struct and new fn defs into meow.rs does not ICE.

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C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-bisection Status: a bisection has been found for this issue S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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