ICE: hir_ty_lowering: not yet implemented

[matthiaskrgr]

snippet:

type Positive = std::pat::pattern_type!(std::pat:: is 0..);

Version information

rustc 1.79.0-nightly (72fe8a0f0 2024-04-11)
binary: rustc
commit-hash: 72fe8a0f0049873f4b1d0ab3c482170921819106
commit-date: 2024-04-11
host: x86_64-unknown-linux-gnu
release: 1.79.0-nightly
LLVM version: 18.1.3

Command:
/home/matthias/.rustup/toolchains/master/bin/rustc

Program output

error[E0658]: use of unstable library feature 'core_pattern_type'
 --> /tmp/icemaker_global_tempdir.lXmV7FG8Qc68/rustc_testrunner_tmpdir_reporting.AiDSoRjQwNiF/mvce.rs:1:17
  |
1 | type Positive = std::pat::pattern_type!(std::pat:: is 0..);
  |                 ^^^^^^^^^^^^^^^^^^^^^^
  |
  = help: add `#![feature(core_pattern_type)]` to the crate attributes to enable
  = note: this compiler was built on 2024-04-11; consider upgrading it if it is out of date

error[E0412]: cannot find type `is` in module `std::pat`
 --> /tmp/icemaker_global_tempdir.lXmV7FG8Qc68/rustc_testrunner_tmpdir_reporting.AiDSoRjQwNiF/mvce.rs:1:52
  |
1 | type Positive = std::pat::pattern_type!(std::pat:: is 0..);
  |                                                    ^^ not found in `std::pat`

error[E0658]: pattern types are unstable
 --> /tmp/icemaker_global_tempdir.lXmV7FG8Qc68/rustc_testrunner_tmpdir_reporting.AiDSoRjQwNiF/mvce.rs:1:17
  |
1 | type Positive = std::pat::pattern_type!(std::pat:: is 0..);
  |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #123646 <https://github.com/rust-lang/rust/issues/123646> for more information
  = help: add `#![feature(pattern_types)]` to the crate attributes to enable
  = note: this compiler was built on 2024-04-11; consider upgrading it if it is out of date

error[E0601]: `main` function not found in crate `mvce`
 --> /tmp/icemaker_global_tempdir.lXmV7FG8Qc68/rustc_testrunner_tmpdir_reporting.AiDSoRjQwNiF/mvce.rs:1:60
  |
1 | type Positive = std::pat::pattern_type!(std::pat:: is 0..);
  |                                                            ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.lXmV7FG8Qc68/rustc_testrunner_tmpdir_reporting.AiDSoRjQwNiF/mvce.rs`

thread 'rustc' panicked at compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs:2223:76:
not yet implemented
stack backtrace:
   0:     0x727cc6ec4aa5 - std::backtrace_rs::backtrace::libunwind::trace::h3176c92e65ba7f81
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
   1:     0x727cc6ec4aa5 - std::backtrace_rs::backtrace::trace_unsynchronized::he147f48bf174900c
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x727cc6ec4aa5 - std::sys_common::backtrace::_print_fmt::h652f5d38e3132ae1
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x727cc6ec4aa5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8824fd234dbcb187
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x727cc6f13f5b - core::fmt::rt::Argument::fmt::h04951bb91816699d
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/core/src/fmt/rt.rs:142:9
   5:     0x727cc6f13f5b - core::fmt::write::hccf5e781dc7b172c
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/core/src/fmt/mod.rs:1153:17
   6:     0x727cc6eb96af - std::io::Write::write_fmt::hbf74b2df320abbd4
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/io/mod.rs:1850:15
   7:     0x727cc6ec487e - std::sys_common::backtrace::_print::he754ac1be6a4a4ea
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x727cc6ec487e - std::sys_common::backtrace::print::h8a0a0163307d4eef
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x727cc6ec7379 - std::panicking::default_hook::{{closure}}::h191497d665a63970
  10:     0x727cc6ec7095 - std::panicking::default_hook::heacae8153c8552a2
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/panicking.rs:291:9
  11:     0x727cc3874d1c - std[f4e859887e2e844e]::panicking::update_hook::<alloc[35172ac668949c5f]::boxed::Box<rustc_driver_impl[ff19c2d0d41c82b]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x727cc6ec7a7c - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff2861f968a3f60
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/alloc/src/boxed.rs:2032:9
  13:     0x727cc6ec7a7c - std::panicking::rust_panic_with_hook::h7e49ec4a2fa91996
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/panicking.rs:792:13
  14:     0x727cc6ec77ed - std::panicking::begin_panic_handler::{{closure}}::h8eac49b131ae499b
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/panicking.rs:649:13
  15:     0x727cc6ec4f69 - std::sys_common::backtrace::__rust_end_short_backtrace::h7c8fdd847f9d6f2e
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x727cc6ec7557 - rust_begin_unwind
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/panicking.rs:645:5
  17:     0x727cc6f103f6 - core::panicking::panic_fmt::h41e88295b8911349
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/core/src/panicking.rs:72:14
  18:     0x727cc6f1049f - core::panicking::panic::h2d7a84350adf4370
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/core/src/panicking.rs:141:5
  19:     0x727cc398d0aa - <<dyn rustc_hir_analysis[9b1b64f671e76217]::hir_ty_lowering::HirTyLowerer>::lower_ty_common::{closure#0}::{closure#5} as core[2822c929a1518ea4]::ops::function::FnOnce<(&rustc_hir[f2db19136a01969c]::hir::Expr,)>>::call_once
  20:     0x727cc4dd6800 - <dyn rustc_hir_analysis[9b1b64f671e76217]::hir_ty_lowering::HirTyLowerer>::lower_ty_common
  21:     0x727cc2842663 - rustc_hir_analysis[9b1b64f671e76217]::collect::type_of::type_of
  22:     0x727cc4dbd462 - rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 8usize]>>
  23:     0x727cc4dbc0a1 - rustc_query_system[96d1d9349831d63a]::query::plumbing::try_execute_query::<rustc_query_impl[ebdf0b0af14ac0e1]::DynamicConfig<rustc_query_system[96d1d9349831d63a]::query::caches::DefIdCache<rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::QueryCtxt, false>
  24:     0x727cc4dbbb9b - rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
  25:     0x727cc526153a - <rustc_hir_analysis[9b1b64f671e76217]::collect::CollectItemTypesVisitor as rustc_hir[f2db19136a01969c]::intravisit::Visitor>::visit_item
  26:     0x727cc526d13f - rustc_hir_analysis[9b1b64f671e76217]::check::wfcheck::check_well_formed
  27:     0x727cc526d033 - rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 1usize]>>
  28:     0x727cc526c7c0 - rustc_query_system[96d1d9349831d63a]::query::plumbing::try_execute_query::<rustc_query_impl[ebdf0b0af14ac0e1]::DynamicConfig<rustc_query_system[96d1d9349831d63a]::query::caches::VecCache<rustc_hir[f2db19136a01969c]::hir_id::OwnerId, rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::QueryCtxt, false>
  29:     0x727cc526c53f - rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
  30:     0x727cc526a493 - rustc_hir_analysis[9b1b64f671e76217]::check::wfcheck::check_mod_type_wf
  31:     0x727cc526a2db - rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 1usize]>>
  32:     0x727cc5a3bb86 - rustc_query_system[96d1d9349831d63a]::query::plumbing::try_execute_query::<rustc_query_impl[ebdf0b0af14ac0e1]::DynamicConfig<rustc_query_system[96d1d9349831d63a]::query::caches::DefaultCache<rustc_span[55c371ff0a7cfb69]::def_id::LocalModDefId, rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::QueryCtxt, false>
  33:     0x727cc5a3b93f - rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
  34:     0x727cc4e1eb0b - rustc_hir_analysis[9b1b64f671e76217]::check_crate
  35:     0x727cc5182696 - rustc_interface[647f2be72cdb230a]::passes::analysis
  36:     0x727cc51821dd - rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 1usize]>>
  37:     0x727cc5a3d365 - rustc_query_system[96d1d9349831d63a]::query::plumbing::try_execute_query::<rustc_query_impl[ebdf0b0af14ac0e1]::DynamicConfig<rustc_query_system[96d1d9349831d63a]::query::caches::SingleCache<rustc_middle[ff6857038aa3c1ea]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[ebdf0b0af14ac0e1]::plumbing::QueryCtxt, false>
  38:     0x727cc5a3d0c9 - rustc_query_impl[ebdf0b0af14ac0e1]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  39:     0x727cc58cead3 - rustc_interface[647f2be72cdb230a]::interface::run_compiler::<core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>, rustc_driver_impl[ff19c2d0d41c82b]::run_compiler::{closure#0}>::{closure#0}
  40:     0x727cc59aa4dd - std[f4e859887e2e844e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[647f2be72cdb230a]::util::run_in_thread_with_globals<rustc_interface[647f2be72cdb230a]::util::run_in_thread_pool_with_globals<rustc_interface[647f2be72cdb230a]::interface::run_compiler<core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>, rustc_driver_impl[ff19c2d0d41c82b]::run_compiler::{closure#0}>::{closure#0}, core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>>::{closure#0}, core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>>
  41:     0x727cc59aa2ea - <<std[f4e859887e2e844e]::thread::Builder>::spawn_unchecked_<rustc_interface[647f2be72cdb230a]::util::run_in_thread_with_globals<rustc_interface[647f2be72cdb230a]::util::run_in_thread_pool_with_globals<rustc_interface[647f2be72cdb230a]::interface::run_compiler<core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>, rustc_driver_impl[ff19c2d0d41c82b]::run_compiler::{closure#0}>::{closure#0}, core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>>::{closure#0}, core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2822c929a1518ea4]::result::Result<(), rustc_span[55c371ff0a7cfb69]::ErrorGuaranteed>>::{closure#1} as core[2822c929a1518ea4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  42:     0x727cc6ed197b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h014c037694d74c3d
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/alloc/src/boxed.rs:2018:9
  43:     0x727cc6ed197b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5b7204cbbbb51779
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/alloc/src/boxed.rs:2018:9
  44:     0x727cc6ed197b - std::sys::pal::unix::thread::Thread::new::thread_start::h30cd533927d8d3e4
                               at /rustc/72fe8a0f0049873f4b1d0ab3c482170921819106/library/std/src/sys/pal/unix/thread.rs:108:17
  45:     0x727cc06a955a - <unknown>
  46:     0x727cc0726a3c - <unknown>
  47:                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 make sure that you have updated to the latest nightly

note: rustc 1.79.0-nightly (72fe8a0f0 2024-04-11) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [type_of] expanding type alias `Positive`
#1 [check_well_formed] checking that `Positive` is well-formed
#2 [check_mod_type_wf] checking that types are well-formed in top-level module
#3 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 4 previous errors

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

[compiler-errors]

cc @oli-obk

[compiler-errors]

it would be interesting to understand why this one hits an ICE on LitToConstError::TypeError but other cases of literal hir nodes do not. I'd like to see some understanding of the underlying cause rather than just an, e.g., delay span bug.