Closed
Description
auto-reduced (treereduce-rust):
type Field3 = i64;
#[repr(C)]
union DummyUnion {
field3: Field3,
}
const UNION: DummyUnion = loop {};
const fn read_field2() -> Field2 {
const FIELD2: Field2 = loop {
UNION.field3
};
}
original:
type Field3 = i64;
#[repr(C)]
union DummyUnion {
field3: Field3,
}
const UNION: DummyUnion = loop {};
const fn read_field2() -> Field2 {
const FIELD2: Field2 = loop {UNION.field3};
}
Version information
rustc 1.80.0-nightly (e8fbd9912 2024-05-21)
binary: rustc
commit-hash: e8fbd991287f637f95016a71ddc13438415bbe59
commit-date: 2024-05-21
host: x86_64-unknown-linux-gnu
release: 1.80.0-nightly
LLVM version: 18.1.6
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0412]: cannot find type `Field2` in this scope
--> /tmp/icemaker_global_tempdir.90wvVq4JQsyR/rustc_testrunner_tmpdir_reporting.vXN26VLdUAKh/mvce.rs:10:27
|
1 | type Field3 = i64;
| ------------------ similarly named type alias `Field3` defined here
...
10 | const fn read_field2() -> Field2 {
| ^^^^^^ help: a type alias with a similar name exists: `Field3`
error[E0412]: cannot find type `Field2` in this scope
--> /tmp/icemaker_global_tempdir.90wvVq4JQsyR/rustc_testrunner_tmpdir_reporting.vXN26VLdUAKh/mvce.rs:11:19
|
1 | type Field3 = i64;
| ------------------ similarly named type alias `Field3` defined here
...
11 | const FIELD2: Field2 = loop {
| ^^^^^^ help: a type alias with a similar name exists: `Field3`
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.90wvVq4JQsyR/rustc_testrunner_tmpdir_reporting.vXN26VLdUAKh/mvce.rs:14:2
|
14 | }
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.90wvVq4JQsyR/rustc_testrunner_tmpdir_reporting.vXN26VLdUAKh/mvce.rs`
error: internal compiler error: compiler/rustc_middle/src/ty/typeck_results.rs:570:9: node HirId(DefId(0:7 ~ mvce[3aa8]::read_field2).4) (type `Field2`) cannot be placed in TypeckResults with hir_owner DefId(0:8 ~ mvce[3aa8]::read_field2::FIELD2)
thread 'rustc' panicked at compiler/rustc_middle/src/ty/typeck_results.rs:570:9:
Box<dyn Any>
stack backtrace:
0: 0x7700d32687f5 - std::backtrace_rs::backtrace::libunwind::trace::hd2d645855696f4dc
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
1: 0x7700d32687f5 - std::backtrace_rs::backtrace::trace_unsynchronized::hf00e72a4f54751c9
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7700d32687f5 - std::sys_common::backtrace::_print_fmt::hb11f864b4b226580
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7700d32687f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a916293b9277970
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7700d32b791b - core::fmt::rt::Argument::fmt::h4ec318fe98aa1bd1
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/core/src/fmt/rt.rs:165:63
5: 0x7700d32b791b - core::fmt::write::ha63637c90825c5e4
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/core/src/fmt/mod.rs:1169:21
6: 0x7700d325d62f - std::io::Write::write_fmt::h61a12b81ba013cad
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/io/mod.rs:1835:15
7: 0x7700d32685ce - std::sys_common::backtrace::_print::h83df8853f46ce7cb
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7700d32685ce - std::sys_common::backtrace::print::h6fcb62536ff44863
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7700d326afc9 - std::panicking::default_hook::{{closure}}::h19c458ac7bffa126
10: 0x7700d326ad0d - std::panicking::default_hook::h89e3de1f0a9d7973
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/panicking.rs:298:9
11: 0x7700cfcf5410 - std[8269a5b9a5bb6fe2]::panicking::update_hook::<alloc[c96cdaa1028c7bf0]::boxed::Box<rustc_driver_impl[36cb5aea6267632f]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7700d326b6fb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc1d41c2d85fc40dc
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/alloc/src/boxed.rs:2077:9
13: 0x7700d326b6fb - std::panicking::rust_panic_with_hook::h09cbbd76cef8ad08
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/panicking.rs:799:13
14: 0x7700cfd25024 - std[8269a5b9a5bb6fe2]::panicking::begin_panic::<rustc_errors[bd6c64ee2c36f2ad]::ExplicitBug>::{closure#0}
15: 0x7700cfd21dd6 - std[8269a5b9a5bb6fe2]::sys_common::backtrace::__rust_end_short_backtrace::<std[8269a5b9a5bb6fe2]::panicking::begin_panic<rustc_errors[bd6c64ee2c36f2ad]::ExplicitBug>::{closure#0}, !>
16: 0x7700cfd21ab6 - std[8269a5b9a5bb6fe2]::panicking::begin_panic::<rustc_errors[bd6c64ee2c36f2ad]::ExplicitBug>
17: 0x7700cfd2e3a1 - <rustc_errors[bd6c64ee2c36f2ad]::diagnostic::BugAbort as rustc_errors[bd6c64ee2c36f2ad]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
18: 0x7700d01f2e3c - rustc_middle[f207ff10487be477]::util::bug::opt_span_bug_fmt::<rustc_span[4f56d3863912db0d]::span_encoding::Span>::{closure#0}
19: 0x7700d01d7c1a - rustc_middle[f207ff10487be477]::ty::context::tls::with_opt::<rustc_middle[f207ff10487be477]::util::bug::opt_span_bug_fmt<rustc_span[4f56d3863912db0d]::span_encoding::Span>::{closure#0}, !>::{closure#0}
20: 0x7700d01d7a9b - rustc_middle[f207ff10487be477]::ty::context::tls::with_context_opt::<rustc_middle[f207ff10487be477]::ty::context::tls::with_opt<rustc_middle[f207ff10487be477]::util::bug::opt_span_bug_fmt<rustc_span[4f56d3863912db0d]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
21: 0x7700cdfbe6e0 - rustc_middle[f207ff10487be477]::util::bug::bug_fmt
22: 0x7700d01f11eb - rustc_middle[f207ff10487be477]::ty::typeck_results::invalid_hir_id_for_typeck_results
23: 0x7700d1693c98 - <dyn rustc_hir_analysis[bd5c9d43345fd6d9]::hir_ty_lowering::HirTyLowerer>::lower_ty_common::{closure#0}
24: 0x7700cff15c93 - <rustc_hir_typeck[ec232e2d5d2d64bd]::fn_ctxt::FnCtxt>::suggest_missing_break_or_return_expr
25: 0x7700cfee9ebf - <rustc_hir_typeck[ec232e2d5d2d64bd]::coercion::CoerceMany<rustc_hir[f45e204bf9f1debb]::hir::Expr>>::report_return_mismatched_types
26: 0x7700d1a3a624 - <rustc_hir_typeck[ec232e2d5d2d64bd]::fn_ctxt::FnCtxt>::check_block_with_expected
27: 0x7700d1a42183 - <rustc_hir_typeck[ec232e2d5d2d64bd]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
28: 0x7700d10d0169 - rustc_hir_typeck[ec232e2d5d2d64bd]::typeck
29: 0x7700d10ce391 - rustc_query_impl[56bb04b70428af26]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[56bb04b70428af26]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 8usize]>>
30: 0x7700d13a4931 - rustc_query_system[c4191fc337511782]::query::plumbing::try_execute_query::<rustc_query_impl[56bb04b70428af26]::DynamicConfig<rustc_query_system[c4191fc337511782]::query::caches::VecCache<rustc_span[4f56d3863912db0d]::def_id::LocalDefId, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[56bb04b70428af26]::plumbing::QueryCtxt, false>
31: 0x7700d13a3654 - rustc_query_impl[56bb04b70428af26]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
32: 0x7700d1e50bdf - rustc_hir_analysis[bd5c9d43345fd6d9]::check::check::check_item_type
33: 0x7700d16a543c - rustc_hir_analysis[bd5c9d43345fd6d9]::check::wfcheck::check_well_formed
34: 0x7700d16a3edd - rustc_query_impl[56bb04b70428af26]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[56bb04b70428af26]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 1usize]>>
35: 0x7700d16a3680 - rustc_query_system[c4191fc337511782]::query::plumbing::try_execute_query::<rustc_query_impl[56bb04b70428af26]::DynamicConfig<rustc_query_system[c4191fc337511782]::query::caches::VecCache<rustc_hir[f45e204bf9f1debb]::hir_id::OwnerId, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[56bb04b70428af26]::plumbing::QueryCtxt, false>
36: 0x7700d16a33ff - rustc_query_impl[56bb04b70428af26]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
37: 0x7700d16a12b7 - rustc_hir_analysis[bd5c9d43345fd6d9]::check::wfcheck::check_mod_type_wf
38: 0x7700d16a10e1 - rustc_query_impl[56bb04b70428af26]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[56bb04b70428af26]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 1usize]>>
39: 0x7700d1d5a886 - rustc_query_system[c4191fc337511782]::query::plumbing::try_execute_query::<rustc_query_impl[56bb04b70428af26]::DynamicConfig<rustc_query_system[c4191fc337511782]::query::caches::DefaultCache<rustc_span[4f56d3863912db0d]::def_id::LocalModDefId, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[56bb04b70428af26]::plumbing::QueryCtxt, false>
40: 0x7700d1d5a63f - rustc_query_impl[56bb04b70428af26]::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
41: 0x7700d13a1986 - rustc_hir_analysis[bd5c9d43345fd6d9]::check_crate
42: 0x7700d138187e - rustc_interface[2341298b7187afbd]::passes::analysis
43: 0x7700d13813d5 - rustc_query_impl[56bb04b70428af26]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[56bb04b70428af26]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 1usize]>>
44: 0x7700d1d5e225 - rustc_query_system[c4191fc337511782]::query::plumbing::try_execute_query::<rustc_query_impl[56bb04b70428af26]::DynamicConfig<rustc_query_system[c4191fc337511782]::query::caches::SingleCache<rustc_middle[f207ff10487be477]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[56bb04b70428af26]::plumbing::QueryCtxt, false>
45: 0x7700d1d5df89 - rustc_query_impl[56bb04b70428af26]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
46: 0x7700d1bdcfce - rustc_interface[2341298b7187afbd]::interface::run_compiler::<core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>, rustc_driver_impl[36cb5aea6267632f]::run_compiler::{closure#0}>::{closure#1}
47: 0x7700d1bc8309 - std[8269a5b9a5bb6fe2]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2341298b7187afbd]::util::run_in_thread_with_globals<rustc_interface[2341298b7187afbd]::util::run_in_thread_pool_with_globals<rustc_interface[2341298b7187afbd]::interface::run_compiler<core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>, rustc_driver_impl[36cb5aea6267632f]::run_compiler::{closure#0}>::{closure#1}, core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>>::{closure#0}, core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>>
48: 0x7700d1bc80b6 - <<std[8269a5b9a5bb6fe2]::thread::Builder>::spawn_unchecked_<rustc_interface[2341298b7187afbd]::util::run_in_thread_with_globals<rustc_interface[2341298b7187afbd]::util::run_in_thread_pool_with_globals<rustc_interface[2341298b7187afbd]::interface::run_compiler<core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>, rustc_driver_impl[36cb5aea6267632f]::run_compiler::{closure#0}>::{closure#1}, core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>>::{closure#0}, core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[40c7e4402753f050]::result::Result<(), rustc_span[4f56d3863912db0d]::ErrorGuaranteed>>::{closure#2} as core[40c7e4402753f050]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
49: 0x7700d32754db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7124f4fc5e2e1235
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/alloc/src/boxed.rs:2063:9
50: 0x7700d32754db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a8e6980b6ee4ea2
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/alloc/src/boxed.rs:2063:9
51: 0x7700d32754db - std::sys::pal::unix::thread::Thread::new::thread_start::h7f4aaf7f9b76a840
at /rustc/e8fbd991287f637f95016a71ddc13438415bbe59/library/std/src/sys/pal/unix/thread.rs:108:17
52: 0x7700ccaaa1cf - <unknown>
53: 0x7700ccb2b6ec - <unknown>
54: 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 1.80.0-nightly (e8fbd9912 2024-05-21) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `read_field2::FIELD2`
#1 [check_well_formed] checking that `read_field2::FIELD2` is well-formed
end of query stack
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0412, E0601.
For more information about an error, try `rustc --explain E0412`.
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