Closed
Description
auto-reduced (treereduce-rust):
fn main() {
try_map_project::<M, _>(|_| todo!())
}original:
use std::ops::Deref;
trait Foo {
fn foo() {}
}
impl Foo for u8 {}
fn bar<T: Deref>() where T::Target: Foo {
<<T as Deref>::Target as Foo>::foo()
}
fn main() {
try_map_project::<M, _>(|_| todo!())
}Version information
rustc 1.84.0-nightly (ef972a346 2024-11-02)
binary: rustc
commit-hash: ef972a346668ed4234d1a43ed4ad7ca4e9c58d51
commit-date: 2024-11-02
host: x86_64-unknown-linux-gnu
release: 1.84.0-nightly
LLVM version: 19.1.1
Possibly related line of code:
rust/compiler/rustc_middle/src/ty/typeck_results.rs
Lines 310 to 322 in ef972a3
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0412]: cannot find type `M` in this scope
--> /tmp/icemaker_global_tempdir.0zjaEjm1FMGM/rustc_testrunner_tmpdir_reporting.6sYqdvafiXNm/mvce.rs:2:23
|
2 | try_map_project::<M, _>(|_| todo!())
| ^ not found in this scope
error[E0425]: cannot find function `try_map_project` in this scope
--> /tmp/icemaker_global_tempdir.0zjaEjm1FMGM/rustc_testrunner_tmpdir_reporting.6sYqdvafiXNm/mvce.rs:2:5
|
2 | try_map_project::<M, _>(|_| todo!())
| ^^^^^^^^^^^^^^^ not found in this scope
error: internal compiler error: compiler/rustc_middle/src/ty/typeck_results.rs:316:13: node_type: no type for node HirId(DefId(0:3 ~ mvce[4f49]::main).6) (type `_`)
thread 'rustc' panicked at compiler/rustc_middle/src/ty/typeck_results.rs:316:13:
Box<dyn Any>
stack backtrace:
0: 0x7866550584aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hce429173f4835cf6
1: 0x7866558040ca - core::fmt::write::hd474fbdfe63c8008
2: 0x786656c7b011 - std::io::Write::write_fmt::ha6b1be51a74d6c82
3: 0x786655058302 - std::sys::backtrace::BacktraceLock::print::h9a37e75f7192ac21
4: 0x78665505a806 - std::panicking::default_hook::{{closure}}::hd9ac8cf20a0b7897
5: 0x78665505a650 - std::panicking::default_hook::hdde16dcfa738c4aa
6: 0x7866540ddb49 - std[85c38ff02e03f0e6]::panicking::update_hook::<alloc[39d8aefd6e9d2d6]::boxed::Box<rustc_driver_impl[8ea1370c87ac4c52]::install_ice_hook::{closure#0}>>::{closure#0}
7: 0x78665505af18 - std::panicking::rust_panic_with_hook::h6eef9cc88a2d4e79
8: 0x786654117231 - std[85c38ff02e03f0e6]::panicking::begin_panic::<rustc_errors[a3358f633eebb703]::ExplicitBug>::{closure#0}
9: 0x78665410a206 - std[85c38ff02e03f0e6]::sys::backtrace::__rust_end_short_backtrace::<std[85c38ff02e03f0e6]::panicking::begin_panic<rustc_errors[a3358f633eebb703]::ExplicitBug>::{closure#0}, !>
10: 0x786654105829 - std[85c38ff02e03f0e6]::panicking::begin_panic::<rustc_errors[a3358f633eebb703]::ExplicitBug>
11: 0x786654120e01 - <rustc_errors[a3358f633eebb703]::diagnostic::BugAbort as rustc_errors[a3358f633eebb703]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
12: 0x78665479a363 - rustc_middle[b16c40c3cb132ea9]::util::bug::opt_span_bug_fmt::<rustc_span[94bdfa138cad1541]::span_encoding::Span>::{closure#0}
13: 0x78665478095a - rustc_middle[b16c40c3cb132ea9]::ty::context::tls::with_opt::<rustc_middle[b16c40c3cb132ea9]::util::bug::opt_span_bug_fmt<rustc_span[94bdfa138cad1541]::span_encoding::Span>::{closure#0}, !>::{closure#0}
14: 0x7866547807eb - rustc_middle[b16c40c3cb132ea9]::ty::context::tls::with_context_opt::<rustc_middle[b16c40c3cb132ea9]::ty::context::tls::with_opt<rustc_middle[b16c40c3cb132ea9]::util::bug::opt_span_bug_fmt<rustc_span[94bdfa138cad1541]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
15: 0x7866528cf260 - rustc_middle[b16c40c3cb132ea9]::util::bug::bug_fmt
16: 0x786655a4a37e - <rustc_middle[b16c40c3cb132ea9]::ty::typeck_results::TypeckResults>::node_type
17: 0x78665688d9db - <rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor as rustc_hir[885137f5f5b6a9f]::intravisit::Visitor>::visit_ty
18: 0x7866574eab28 - rustc_hir[885137f5f5b6a9f]::intravisit::walk_generic_args::<rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor>.cold
19: 0x78665688dda0 - rustc_hir[885137f5f5b6a9f]::intravisit::walk_qpath::<rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor>
20: 0x78665688dc52 - <rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor as rustc_hir[885137f5f5b6a9f]::intravisit::Visitor>::visit_qpath
21: 0x78665688e7e6 - <rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor as rustc_hir[885137f5f5b6a9f]::intravisit::Visitor>::visit_expr
22: 0x78665688e73e - <rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor as rustc_hir[885137f5f5b6a9f]::intravisit::Visitor>::visit_expr
23: 0x78665688e66d - <rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor as rustc_hir[885137f5f5b6a9f]::intravisit::Visitor>::visit_block
24: 0x78665688e84c - <rustc_hir_typeck[643602d1ca0da9fa]::fallback::AnnotateUnitFallbackVisitor as rustc_hir[885137f5f5b6a9f]::intravisit::Visitor>::visit_expr
25: 0x78665688d071 - <core[d9ceb9bc2a384707]::iter::adapters::filter_map::FilterMap<core[d9ceb9bc2a384707]::iter::adapters::copied::Copied<core[d9ceb9bc2a384707]::slice::iter::Iter<rustc_type_ir[45f01c5603667543]::ty_kind::TyVid>>, <rustc_hir_typeck[643602d1ca0da9fa]::fn_ctxt::FnCtxt>::try_to_suggest_annotations::{closure#0}> as core[d9ceb9bc2a384707]::iter::traits::iterator::Iterator>::next
26: 0x78665688c9ad - <rustc_hir_typeck[643602d1ca0da9fa]::fn_ctxt::FnCtxt>::try_to_suggest_annotations
27: 0x78665688c4c5 - <rustc_hir_typeck[643602d1ca0da9fa]::fn_ctxt::FnCtxt>::lint_never_type_fallback_flowing_into_unsafe_code
28: 0x78665628c644 - <rustc_hir_typeck[643602d1ca0da9fa]::fn_ctxt::FnCtxt>::type_inference_fallback
29: 0x786655b1b302 - rustc_hir_typeck[643602d1ca0da9fa]::typeck
30: 0x786655b1ac93 - rustc_query_impl[c0318c643aee4f05]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[c0318c643aee4f05]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b16c40c3cb132ea9]::query::erase::Erased<[u8; 8usize]>>
31: 0x786655f21d81 - rustc_query_system[708ef94f36d60214]::query::plumbing::try_execute_query::<rustc_query_impl[c0318c643aee4f05]::DynamicConfig<rustc_query_system[708ef94f36d60214]::query::caches::VecCache<rustc_span[94bdfa138cad1541]::def_id::LocalDefId, rustc_middle[b16c40c3cb132ea9]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[c0318c643aee4f05]::plumbing::QueryCtxt, false>
32: 0x786655f2024d - rustc_query_impl[c0318c643aee4f05]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
33: 0x786655f1fec7 - <rustc_middle[b16c40c3cb132ea9]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[614b5c894f29c678]::check_crate::{closure#4}>::{closure#0}
34: 0x786655f1de99 - rustc_hir_analysis[614b5c894f29c678]::check_crate
35: 0x786655ce384a - rustc_interface[46946d42a40348f7]::passes::run_required_analyses
36: 0x7866563d451e - rustc_interface[46946d42a40348f7]::passes::analysis
37: 0x7866563d44ef - rustc_query_impl[c0318c643aee4f05]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[c0318c643aee4f05]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b16c40c3cb132ea9]::query::erase::Erased<[u8; 1usize]>>
38: 0x7866567a1bae - rustc_query_system[708ef94f36d60214]::query::plumbing::try_execute_query::<rustc_query_impl[c0318c643aee4f05]::DynamicConfig<rustc_query_system[708ef94f36d60214]::query::caches::SingleCache<rustc_middle[b16c40c3cb132ea9]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[c0318c643aee4f05]::plumbing::QueryCtxt, false>
39: 0x7866567a188e - rustc_query_impl[c0318c643aee4f05]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
40: 0x786656665292 - rustc_interface[46946d42a40348f7]::interface::run_compiler::<core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>, rustc_driver_impl[8ea1370c87ac4c52]::run_compiler::{closure#0}>::{closure#1}
41: 0x7866566f0590 - std[85c38ff02e03f0e6]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[46946d42a40348f7]::util::run_in_thread_with_globals<rustc_interface[46946d42a40348f7]::util::run_in_thread_pool_with_globals<rustc_interface[46946d42a40348f7]::interface::run_compiler<core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>, rustc_driver_impl[8ea1370c87ac4c52]::run_compiler::{closure#0}>::{closure#1}, core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>>::{closure#0}, core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>>
42: 0x7866566f09ab - <<std[85c38ff02e03f0e6]::thread::Builder>::spawn_unchecked_<rustc_interface[46946d42a40348f7]::util::run_in_thread_with_globals<rustc_interface[46946d42a40348f7]::util::run_in_thread_pool_with_globals<rustc_interface[46946d42a40348f7]::interface::run_compiler<core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>, rustc_driver_impl[8ea1370c87ac4c52]::run_compiler::{closure#0}>::{closure#1}, core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>>::{closure#0}, core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d9ceb9bc2a384707]::result::Result<(), rustc_span[94bdfa138cad1541]::ErrorGuaranteed>>::{closure#1} as core[d9ceb9bc2a384707]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
43: 0x7866566f1479 - std::sys::pal::unix::thread::Thread::new::thread_start::h00969398ad9e9953
44: 0x786657f8339d - <unknown>
45: 0x78665800849c - <unknown>
46: 0x0 - <unknown>
note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
note: please make sure that you have updated to the latest nightly
note: rustc 1.84.0-nightly (ef972a346 2024-11-02) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `main`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0412, E0425.
For more information about an error, try `rustc --explain E0412`.
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Category: This is a bug.Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Status: a bisection has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issueRelevant to the compiler team, which will review and decide on the PR/issue.