Closed
Description
auto-reduced (treereduce-rust):
struct D {
_: i32,
}
original:
// Test to ensure that there is no ICE when normalizing a projection
// which is invalid (from <https://github.com/rust-lang/rust/pull/106938>).
#![crate_type = "lib"]
trait Identity {
type Identity;
}
trait NotImplemented {}
impl<T: NotImplemented> Identity for T {
type Identity = Self;
}
type Foo = u8;
union D { //~ ERROR union with unnamed fields must have `#[repr(C)]` representation
//~^ NOTE union `D` defined here
_: Foo, //~ NOTE unnamed field defined here
}Version information
rustc 1.78.0-nightly (4ae1e7987 2024-02-15)
binary: rustc
commit-hash: 4ae1e79876fcee94a56c1edf7c029a677084d7fc
commit-date: 2024-02-15
host: x86_64-unknown-linux-gnu
release: 1.78.0-nightly
LLVM version: 18.1.0
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0412]: cannot find type `Foo` in this scope
--> /tmp/icemaker_global_tempdir.PsY4g7WJv2in/rustc_testrunner_tmpdir_reporting.BtIZwWFLl4Dp/mvce.rs:2:8
|
2 | _: Foo,
| ^^^ not found in this scope
error[E0658]: unnamed fields are not yet fully implemented
--> /tmp/icemaker_global_tempdir.PsY4g7WJv2in/rustc_testrunner_tmpdir_reporting.BtIZwWFLl4Dp/mvce.rs:2:5
|
2 | _: Foo,
| ^
|
= note: see issue #49804 <https://github.com/rust-lang/rust/issues/49804> for more information
= help: add `#![feature(unnamed_fields)]` to the crate attributes to enable
= note: this compiler was built on 2024-02-15; consider upgrading it if it is out of date
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.PsY4g7WJv2in/rustc_testrunner_tmpdir_reporting.BtIZwWFLl4Dp/mvce.rs:3:2
|
3 | }
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.PsY4g7WJv2in/rustc_testrunner_tmpdir_reporting.BtIZwWFLl4Dp/mvce.rs`
thread 'rustc' panicked at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/compiler/rustc_hir/src/def.rs:653:45:
attempted .def_id() on invalid res: Err
stack backtrace:
0: 0x7f28d2bbee46 - std::backtrace_rs::backtrace::libunwind::trace::hcc3d90ef12e96b5c
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
1: 0x7f28d2bbee46 - std::backtrace_rs::backtrace::trace_unsynchronized::h9e44c795d3a32a31
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f28d2bbee46 - std::sys_common::backtrace::_print_fmt::h06f6a85e1f7bfe6a
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7f28d2bbee46 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3a0e4a97abc24368
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f28d2c0f46c - core::fmt::rt::Argument::fmt::hf9d66c2ae68e512f
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/core/src/fmt/rt.rs:142:9
5: 0x7f28d2c0f46c - core::fmt::write::h255428336c5c4d68
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/core/src/fmt/mod.rs:1120:17
6: 0x7f28d2bb27ef - std::io::Write::write_fmt::h8df21bf872710cca
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/io/mod.rs:1854:15
7: 0x7f28d2bbebf4 - std::sys_common::backtrace::_print::hdba8a076d62b5a13
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f28d2bbebf4 - std::sys_common::backtrace::print::h3796ba41287d5e8f
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f28d2bc193b - std::panicking::default_hook::{{closure}}::hf33809fe69ce2a32
10: 0x7f28d2bc1689 - std::panicking::default_hook::h2139224d4049251f
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/panicking.rs:292:9
11: 0x7f28cf9f3dec - std[8987fc0b08a76998]::panicking::update_hook::<alloc[7b677b30fb9d50db]::boxed::Box<rustc_driver_impl[cba9acd42ce093f7]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7f28d2bc20a0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he963d7bf45d9f2f8
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/alloc/src/boxed.rs:2030:9
13: 0x7f28d2bc20a0 - std::panicking::rust_panic_with_hook::hed73a13dc766f57e
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/panicking.rs:785:13
14: 0x7f28d2bc1de2 - std::panicking::begin_panic_handler::{{closure}}::hfee7e5c160ef18d6
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/panicking.rs:659:13
15: 0x7f28d2bbf326 - std::sys_common::backtrace::__rust_end_short_backtrace::h99608b782830294c
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/sys_common/backtrace.rs:171:18
16: 0x7f28d2bc1b14 - rust_begin_unwind
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/panicking.rs:647:5
17: 0x7f28d2c0b975 - core::panicking::panic_fmt::hd77d60d7e0b5325a
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/core/src/panicking.rs:72:14
18: 0x7f28cfad5183 - <rustc_hir[e2f191fafc321d5f]::def::Res>::def_id
19: 0x7f28d2131ce1 - <rustc_hir_analysis[47139fb5b7dde87e]::collect::FieldUniquenessCheckContext>::check_field.cold.0
20: 0x7f28d15cc9fc - rustc_hir_analysis[47139fb5b7dde87e]::collect::convert_variant
21: 0x7f28d15cc319 - rustc_hir_analysis[47139fb5b7dde87e]::collect::adt_def
22: 0x7f28d0c90915 - rustc_query_impl[473ff90346133de9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[473ff90346133de9]::query_impl::adt_def::dynamic_query::{closure#2}::{closure#0}, rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 8usize]>>
23: 0x7f28d0c90fe0 - rustc_query_system[583d5dc4e07867b4]::query::plumbing::try_execute_query::<rustc_query_impl[473ff90346133de9]::DynamicConfig<rustc_query_system[583d5dc4e07867b4]::query::caches::DefIdCache<rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[473ff90346133de9]::plumbing::QueryCtxt, false>
24: 0x7f28d0c902de - rustc_query_impl[473ff90346133de9]::query_impl::adt_def::get_query_non_incr::__rust_end_short_backtrace
25: 0x7f28d0e5f192 - rustc_middle[a3fb61e483312760]::query::plumbing::query_get_at::<rustc_query_system[583d5dc4e07867b4]::query::caches::DefIdCache<rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 8usize]>>>
26: 0x7f28ceff9869 - rustc_hir_analysis[47139fb5b7dde87e]::collect::type_of::type_of
27: 0x7f28d0c9233a - rustc_query_impl[473ff90346133de9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[473ff90346133de9]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 8usize]>>
28: 0x7f28d0c90fe0 - rustc_query_system[583d5dc4e07867b4]::query::plumbing::try_execute_query::<rustc_query_impl[473ff90346133de9]::DynamicConfig<rustc_query_system[583d5dc4e07867b4]::query::caches::DefIdCache<rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[473ff90346133de9]::plumbing::QueryCtxt, false>
29: 0x7f28d0c90add - rustc_query_impl[473ff90346133de9]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
30: 0x7f28d0fe79e3 - <rustc_hir_analysis[47139fb5b7dde87e]::collect::CollectItemTypesVisitor as rustc_hir[e2f191fafc321d5f]::intravisit::Visitor>::visit_item
31: 0x7f28d0fe69f6 - rustc_hir_analysis[47139fb5b7dde87e]::collect::collect_mod_item_types
32: 0x7f28d0fe6989 - rustc_query_impl[473ff90346133de9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[473ff90346133de9]::query_impl::collect_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 0usize]>>
33: 0x7f28d1889c6d - rustc_query_system[583d5dc4e07867b4]::query::plumbing::try_execute_query::<rustc_query_impl[473ff90346133de9]::DynamicConfig<rustc_query_system[583d5dc4e07867b4]::query::caches::DefaultCache<rustc_span[2b05593b68d237f9]::def_id::LocalModDefId, rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[473ff90346133de9]::plumbing::QueryCtxt, false>
34: 0x7f28d1889797 - rustc_query_impl[473ff90346133de9]::query_impl::collect_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
35: 0x7f28d0d88528 - rustc_hir_analysis[47139fb5b7dde87e]::check_crate
36: 0x7f28d1622093 - rustc_interface[f5e508595022ee61]::passes::analysis
37: 0x7f28d1621ce9 - rustc_query_impl[473ff90346133de9]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[473ff90346133de9]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 1usize]>>
38: 0x7f28d1bb6fe5 - rustc_query_system[583d5dc4e07867b4]::query::plumbing::try_execute_query::<rustc_query_impl[473ff90346133de9]::DynamicConfig<rustc_query_system[583d5dc4e07867b4]::query::caches::SingleCache<rustc_middle[a3fb61e483312760]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[473ff90346133de9]::plumbing::QueryCtxt, false>
39: 0x7f28d1bb6d49 - rustc_query_impl[473ff90346133de9]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
40: 0x7f28d1a45fd5 - rustc_interface[f5e508595022ee61]::interface::run_compiler::<core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>, rustc_driver_impl[cba9acd42ce093f7]::run_compiler::{closure#0}>::{closure#0}
41: 0x7f28d1bceb98 - std[8987fc0b08a76998]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[f5e508595022ee61]::util::run_in_thread_with_globals<rustc_interface[f5e508595022ee61]::util::run_in_thread_pool_with_globals<rustc_interface[f5e508595022ee61]::interface::run_compiler<core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>, rustc_driver_impl[cba9acd42ce093f7]::run_compiler::{closure#0}>::{closure#0}, core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>>::{closure#0}, core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>>
42: 0x7f28d1bce9c4 - <<std[8987fc0b08a76998]::thread::Builder>::spawn_unchecked_<rustc_interface[f5e508595022ee61]::util::run_in_thread_with_globals<rustc_interface[f5e508595022ee61]::util::run_in_thread_pool_with_globals<rustc_interface[f5e508595022ee61]::interface::run_compiler<core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>, rustc_driver_impl[cba9acd42ce093f7]::run_compiler::{closure#0}>::{closure#0}, core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>>::{closure#0}, core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2325a369051f62f2]::result::Result<(), rustc_span[2b05593b68d237f9]::ErrorGuaranteed>>::{closure#1} as core[2325a369051f62f2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
43: 0x7f28d2bcb1e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hba395c219cfd5449
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/alloc/src/boxed.rs:2016:9
44: 0x7f28d2bcb1e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0c162d42937122ed
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/alloc/src/boxed.rs:2016:9
45: 0x7f28d2bcb1e5 - std::sys::pal::unix::thread::Thread::new::thread_start::ha2ad7390a99d7476
at /rustc/4ae1e79876fcee94a56c1edf7c029a677084d7fc/library/std/src/sys/pal/unix/thread.rs:108:17
46: 0x7f28cca749eb - <unknown>
47: 0x7f28ccaf87cc - <unknown>
48: 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: rustc 1.78.0-nightly (4ae1e7987 2024-02-15) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [adt_def] computing ADT definition for `D`
#1 [type_of] computing type of `D`
#2 [collect_mod_item_types] collecting item types in top-level module
#3 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0412, E0601, E0658.
For more information about an error, try `rustc --explain E0412`.