ICE: self.is_struct() || self.is_union()

[matthiaskrgr]

Code

type Ast<'ast> = &'ast AstStructure<'ast>;

struct AstStructure<'ast> {
    id: NodeId,
    _: AstKind<'ast>
}

enum AstKind<'ast> {
    ExprInt,
    ExprLambda(Ast<'ast>),
}

fn compute_types<'tcx,'ast>(ast: Ast<'ast>) -> Type<'tcx>
{
    match ast.kind {}
}

Meta

rustc --version --verbose:

Error output

<output>

Backtrace

thread 'rustc' panicked at compiler/rustc_middle/src/ty/adt.rs:395:9:
assertion failed: self.is_struct() || self.is_union()
stack backtrace:
   0:     0x7f64eaa17c46 - std::backtrace_rs::backtrace::libunwind::trace::hcd31ff68bb8eb3c8
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x7f64eaa17c46 - std::backtrace_rs::backtrace::trace_unsynchronized::h14d76bd5509bf096
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f64eaa17c46 - std::sys_common::backtrace::_print_fmt::hccb1d92c773f2e33
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7f64eaa17c46 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::haec236aae0c71094
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f64eaa68bcc - core::fmt::rt::Argument::fmt::hfe5c81d163ead061
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/core/src/fmt/rt.rs:142:9
   5:     0x7f64eaa68bcc - core::fmt::write::hae70f68f90cda8d6
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/core/src/fmt/mod.rs:1120:17
   6:     0x7f64eaa0c4cf - std::io::Write::write_fmt::h2920683ffc23d04e
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/io/mod.rs:1846:15
   7:     0x7f64eaa179f4 - std::sys_common::backtrace::_print::h5625fa16158ef797
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f64eaa179f4 - std::sys_common::backtrace::print::h736502c57d395fe5
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f64eaa1a73b - std::panicking::default_hook::{{closure}}::hd092ecfc821f695b
  10:     0x7f64eaa1a489 - std::panicking::default_hook::h7f251f2c2a8aa52c
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/panicking.rs:292:9
  11:     0x7f64e76a5d3c - std[578157ee06130f18]::panicking::update_hook::<alloc[1f5b0d5bc2928dda]::boxed::Box<rustc_driver_impl[58539505cbc2faf7]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f64eaa1aea0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc774e046b4082d87
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/alloc/src/boxed.rs:2030:9
  13:     0x7f64eaa1aea0 - std::panicking::rust_panic_with_hook::h50c9145ee7057605
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/panicking.rs:783:13
  14:     0x7f64eaa1aba9 - std::panicking::begin_panic_handler::{{closure}}::h94d2e31aacd46455
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/panicking.rs:649:13
  15:     0x7f64eaa18126 - std::sys_common::backtrace::__rust_end_short_backtrace::h38d64ea497d2de47
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x7f64eaa1a914 - rust_begin_unwind
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/panicking.rs:645:5
  17:     0x7f64eaa650e5 - core::panicking::panic_fmt::ha1515334750a7e83
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/core/src/panicking.rs:72:14
  18:     0x7f64eaa651a3 - core::panicking::panic::h13c3c16b9e1955d9
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/core/src/panicking.rs:144:5
  19:     0x7f64e921e28a - rustc_hir_analysis[b9c969b446149ad8]::collect::find_field
  20:     0x7f64e921df9f - rustc_query_impl[ba88ac09c9d7b12d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ba88ac09c9d7b12d]::query_impl::find_field::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 4usize]>>
  21:     0x7f64e921df61 - <rustc_query_impl[ba88ac09c9d7b12d]::query_impl::find_field::dynamic_query::{closure#2} as core[6cbd71b2db6ebc95]::ops::function::FnOnce<(rustc_middle[2ebf57413533262e]::ty::context::TyCtxt, (rustc_span[20f1163f305bb5ee]::def_id::DefId, rustc_span[20f1163f305bb5ee]::symbol::Ident))>>::call_once
  22:     0x7f64e921d350 - rustc_query_system[cf6fea66217b4faa]::query::plumbing::try_execute_query::<rustc_query_impl[ba88ac09c9d7b12d]::DynamicConfig<rustc_query_system[cf6fea66217b4faa]::query::caches::DefaultCache<(rustc_span[20f1163f305bb5ee]::def_id::DefId, rustc_span[20f1163f305bb5ee]::symbol::Ident), rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[ba88ac09c9d7b12d]::plumbing::QueryCtxt, false>
  23:     0x7f64e921d0a0 - rustc_query_impl[ba88ac09c9d7b12d]::query_impl::find_field::get_query_non_incr::__rust_end_short_backtrace
  24:     0x7f64e921e247 - rustc_hir_analysis[b9c969b446149ad8]::collect::find_field
  25:     0x7f64e921df9f - rustc_query_impl[ba88ac09c9d7b12d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ba88ac09c9d7b12d]::query_impl::find_field::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 4usize]>>
  26:     0x7f64e921df61 - <rustc_query_impl[ba88ac09c9d7b12d]::query_impl::find_field::dynamic_query::{closure#2} as core[6cbd71b2db6ebc95]::ops::function::FnOnce<(rustc_middle[2ebf57413533262e]::ty::context::TyCtxt, (rustc_span[20f1163f305bb5ee]::def_id::DefId, rustc_span[20f1163f305bb5ee]::symbol::Ident))>>::call_once
  27:     0x7f64e921d350 - rustc_query_system[cf6fea66217b4faa]::query::plumbing::try_execute_query::<rustc_query_impl[ba88ac09c9d7b12d]::DynamicConfig<rustc_query_system[cf6fea66217b4faa]::query::caches::DefaultCache<(rustc_span[20f1163f305bb5ee]::def_id::DefId, rustc_span[20f1163f305bb5ee]::symbol::Ident), rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[ba88ac09c9d7b12d]::plumbing::QueryCtxt, false>
  28:     0x7f64e921d0a0 - rustc_query_impl[ba88ac09c9d7b12d]::query_impl::find_field::get_query_non_incr::__rust_end_short_backtrace
  29:     0x7f64e8c4a252 - <rustc_hir_typeck[12acd77aad38ccf6]::fn_ctxt::FnCtxt>::check_field
  30:     0x7f64e9482294 - <rustc_hir_typeck[12acd77aad38ccf6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  31:     0x7f64e94716f6 - <rustc_hir_typeck[12acd77aad38ccf6]::fn_ctxt::FnCtxt>::check_match
  32:     0x7f64e948248e - <rustc_hir_typeck[12acd77aad38ccf6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  33:     0x7f64e8f9dd49 - <rustc_hir_typeck[12acd77aad38ccf6]::fn_ctxt::FnCtxt>::check_block_with_expected
  34:     0x7f64e94819a5 - <rustc_hir_typeck[12acd77aad38ccf6]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  35:     0x7f64e94916f8 - rustc_hir_typeck[12acd77aad38ccf6]::check::check_fn
  36:     0x7f64e8dc38f1 - rustc_hir_typeck[12acd77aad38ccf6]::typeck
  37:     0x7f64e8dc2bb5 - rustc_query_impl[ba88ac09c9d7b12d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ba88ac09c9d7b12d]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 8usize]>>
  38:     0x7f64e8b78eb0 - rustc_query_system[cf6fea66217b4faa]::query::plumbing::try_execute_query::<rustc_query_impl[ba88ac09c9d7b12d]::DynamicConfig<rustc_query_system[cf6fea66217b4faa]::query::caches::VecCache<rustc_span[20f1163f305bb5ee]::def_id::LocalDefId, rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ba88ac09c9d7b12d]::plumbing::QueryCtxt, false>
  39:     0x7f64e8b789cc - rustc_query_impl[ba88ac09c9d7b12d]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  40:     0x7f64e92c6a52 - <rustc_middle[2ebf57413533262e]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[b9c969b446149ad8]::check_crate::{closure#6}>::{closure#0}
  41:     0x7f64e92c531d - rustc_hir_analysis[b9c969b446149ad8]::check_crate
  42:     0x7f64e9565bef - rustc_interface[549d5cba17650390]::passes::analysis
  43:     0x7f64e9565859 - rustc_query_impl[ba88ac09c9d7b12d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ba88ac09c9d7b12d]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 1usize]>>
  44:     0x7f64e9739325 - rustc_query_system[cf6fea66217b4faa]::query::plumbing::try_execute_query::<rustc_query_impl[ba88ac09c9d7b12d]::DynamicConfig<rustc_query_system[cf6fea66217b4faa]::query::caches::SingleCache<rustc_middle[2ebf57413533262e]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ba88ac09c9d7b12d]::plumbing::QueryCtxt, false>
  45:     0x7f64e9739089 - rustc_query_impl[ba88ac09c9d7b12d]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  46:     0x7f64e9740c16 - rustc_interface[549d5cba17650390]::interface::run_compiler::<core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>, rustc_driver_impl[58539505cbc2faf7]::run_compiler::{closure#0}>::{closure#0}
  47:     0x7f64e99e7dc5 - std[578157ee06130f18]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[549d5cba17650390]::util::run_in_thread_with_globals<rustc_interface[549d5cba17650390]::util::run_in_thread_pool_with_globals<rustc_interface[549d5cba17650390]::interface::run_compiler<core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>, rustc_driver_impl[58539505cbc2faf7]::run_compiler::{closure#0}>::{closure#0}, core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>>::{closure#0}, core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>>
  48:     0x7f64e99e7bf2 - <<std[578157ee06130f18]::thread::Builder>::spawn_unchecked_<rustc_interface[549d5cba17650390]::util::run_in_thread_with_globals<rustc_interface[549d5cba17650390]::util::run_in_thread_pool_with_globals<rustc_interface[549d5cba17650390]::interface::run_compiler<core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>, rustc_driver_impl[58539505cbc2faf7]::run_compiler::{closure#0}>::{closure#0}, core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>>::{closure#0}, core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6cbd71b2db6ebc95]::result::Result<(), rustc_span[20f1163f305bb5ee]::ErrorGuaranteed>>::{closure#1} as core[6cbd71b2db6ebc95]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  49:     0x7f64eaa24875 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbfe673f8fb6b1f32
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/alloc/src/boxed.rs:2016:9
  50:     0x7f64eaa24875 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h91a1aab6b746134a
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/alloc/src/boxed.rs:2016:9
  51:     0x7f64eaa24875 - std::sys::pal::unix::thread::Thread::new::thread_start::h8e91ee627a6e8489
                               at /rustc/ef324565d071c6d7e2477a195648549e33d6a465/library/std/src/sys/pal/unix/thread.rs:108:17
  52:     0x7f64e46a955a - <unknown>
  53:     0x7f64e4726a3c - <unknown>
  54:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

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

note: please attach the file at `/tmp/im/rustc-ice-2024-02-28T18_12_39-499816.txt` to your bug report

query stack during panic:
#0 [find_field] find the index of maybe nested field `kind` in `AstKind`
#1 [find_field] find the index of maybe nested field `kind` in `AstStructure`
#2 [typeck] type-checking `compute_types`
#3 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 6 previous errors

Some errors have detailed explanations: E0412, E0601, E0658.
For more information about an error, try `rustc --explain E0412`.