Closed matthiaskrgr closed 7 months ago
Regression in nightly-2023-10-12 Regression in 475c71da0710fd1d40c046f9cee04b733b5b2b51 Regression in https://github.com/rust-lang-ci/rust/commit/ae64746194d5617d58e8cf5065a9b146dfc74a06
Yeah, generic const exprs is not expected to work with the new trait solver.
File: /tmp/F/1a095d17cdade179e5022f95e67027ae90704896.rs
auto-reduced (treereduce-rust):
original:
Version information
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc -Ztrait-solver=next-coherence
Program output
``` error[E0423]: expected value, found builtin type `u8` --> /tmp/F/1a095d17cdade179e5022f95e67027ae90704896.rs:3:45 | 3 | struct Uwu;
| ^^ not a value
warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
--> /tmp/F/1a095d17cdade179e5022f95e67027ae90704896.rs:1:12
|
1 | #![feature(generic_const_exprs)]
| ^^^^^^^^^^^^^^^^^^^
|
= note: see issue #76560 for more information
= note: `#[warn(incomplete_features)]` on by default
error[E0601]: `main` function not found in crate `1a095d17cdade179e5022f95e67027ae90704896`
--> /tmp/F/1a095d17cdade179e5022f95e67027ae90704896.rs:8:39
|
8 | impl Trait for Uwu {}
| ^ consider adding a `main` function to `/tmp/F/1a095d17cdade179e5022f95e67027ae90704896.rs`
error: internal compiler error: /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/compiler/rustc_middle/src/ty/relate.rs:289:24: unknown alias DefKind: AnonConst
thread 'rustc' panicked at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/compiler/rustc_errors/src/lib.rs:1658:9:
Box
stack backtrace:
0: 0x7f7e3f1628fc - std::backtrace_rs::backtrace::libunwind::trace::h03c0bf785ff8ac95
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7f7e3f1628fc - std::backtrace_rs::backtrace::trace_unsynchronized::heb554a194a8b8d76
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f7e3f1628fc - std::sys_common::backtrace::_print_fmt::h5104548cf2f1d04d
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/sys_common/backtrace.rs:67:5
3: 0x7f7e3f1628fc - ::fmt::h60a89bd281db8532
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f7e3f1ca350 - core::fmt::rt::Argument::fmt::h3f967ff7ed1eb864
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/core/src/fmt/rt.rs:142:9
5: 0x7f7e3f1ca350 - core::fmt::write::h6c7eacf90d438ccc
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/core/src/fmt/mod.rs:1117:17
6: 0x7f7e3f155c4f - std::io::Write::write_fmt::heed557ad0e7e227d
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/io/mod.rs:1762:15
7: 0x7f7e3f1626e4 - std::sys_common::backtrace::_print::hc14194a28bba6478
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f7e3f1626e4 - std::sys_common::backtrace::print::h49644fe6309a893a
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f7e3f1654f7 - std::panicking::default_hook::{{closure}}::h2aa5ccff7297f9c8
10: 0x7f7e3f16523a - std::panicking::default_hook::h9e4bff1aa2bdf161
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/panicking.rs:292:9
11: 0x7f7e41d18daa - std[5f80c380de201c9c]::panicking::update_hook::>::{closure#0}
12: 0x7f7e3f165c98 - as core::ops::function::Fn>::call::h372bad5385f8c0c5
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/alloc/src/boxed.rs:2021:9
13: 0x7f7e3f165c98 - std::panicking::rust_panic_with_hook::h6c6741452089fc1b
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/panicking.rs:735:13
14: 0x7f7e420c9f34 - std[5f80c380de201c9c]::panicking::begin_panic::::{closure#0}
15: 0x7f7e420c0f16 - std[5f80c380de201c9c]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !>
16: 0x7f7e420bb8c6 - std[5f80c380de201c9c]::panicking::begin_panic::
17: 0x7f7e420a4584 - ::bug::
18: 0x7f7e420a4344 - ::bug::
19: 0x7f7e42145abd - rustc_middle[48fc6e82f368dfd0]::util::bug::opt_span_bug_fmt::::{closure#0}
20: 0x7f7e4212c37a - rustc_middle[48fc6e82f368dfd0]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0}
21: 0x7f7e4212c238 - rustc_middle[48fc6e82f368dfd0]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !>
22: 0x7f7e401ba6a0 - rustc_middle[48fc6e82f368dfd0]::util::bug::bug_fmt
23: 0x7f7e40889ede - ::eq::
24: 0x7f7e426e24fb - ::eq::
25: 0x7f7e4268614a - ::with_new_goal::<::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>::{closure#2}
26: 0x7f7e42684331 - ::with_new_goal::<::evaluate_canonical_goal::{closure#0}::{closure#0}::{closure#0}>
27: 0x7f7e4267a808 - ::evaluate_goal
28: 0x7f7e426e0ec6 - ::evaluate_root_goal
29: 0x7f7e4267bf9f - ::select_where_possible
30: 0x7f7e405736eb - ::evaluate_obligation
31: 0x7f7e413765b5 - rustc_trait_selection[5d100321d2a01e19]::traits::coherence::overlap
32: 0x7f7e413738cf - ::insert
33: 0x7f7e41371a49 - ::insert
34: 0x7f7e4136f8aa - rustc_trait_selection[5d100321d2a01e19]::traits::specialize::specialization_graph_provider
35: 0x7f7e412871ea - rustc_query_impl[d93ff4b57be0a3f9]::plumbing::__rust_begin_short_backtrace::>
36: 0x7f7e403cf2d1 - rustc_query_system[bf593801cb8c9f4a]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[d93ff4b57be0a3f9]::plumbing::QueryCtxt, false>
37: 0x7f7e417e4f82 - rustc_query_impl[d93ff4b57be0a3f9]::query_impl::specialization_graph_of::get_query_non_incr::__rust_end_short_backtrace
38: 0x7f7e4142df6e - rustc_hir_analysis[bb181583de2bc3da]::coherence::coherent_trait
39: 0x7f7e4145fd07 - rustc_query_impl[d93ff4b57be0a3f9]::plumbing::__rust_begin_short_backtrace::>
40: 0x7f7e4145fa6b - rustc_query_system[bf593801cb8c9f4a]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[d93ff4b57be0a3f9]::plumbing::QueryCtxt, false>
41: 0x7f7e4145f7b1 - rustc_query_impl[d93ff4b57be0a3f9]::query_impl::coherent_trait::get_query_non_incr::__rust_end_short_backtrace
42: 0x7f7e413874fe - rustc_hir_analysis[bb181583de2bc3da]::check_crate
43: 0x7f7e4137d43a - rustc_interface[d1c057f52199548c]::passes::analysis
44: 0x7f7e415cb807 - rustc_query_impl[d93ff4b57be0a3f9]::plumbing::__rust_begin_short_backtrace::>
45: 0x7f7e415cb3f6 - rustc_query_system[bf593801cb8c9f4a]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[d93ff4b57be0a3f9]::plumbing::QueryCtxt, false>
46: 0x7f7e415cb1ad - rustc_query_impl[d93ff4b57be0a3f9]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
47: 0x7f7e414e7500 - std[5f80c380de201c9c]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver_impl[3ff10296a9c85239]::run_compiler::{closure#1}>::{closure#0}, core[5ecddd5f6ab0df47]::result::Result<(), rustc_span[3385b0a88a85fcb6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5ecddd5f6ab0df47]::result::Result<(), rustc_span[3385b0a88a85fcb6]::ErrorGuaranteed>>
48: 0x7f7e414e67d3 - <::spawn_unchecked_, rustc_driver_impl[3ff10296a9c85239]::run_compiler::{closure#1}>::{closure#0}, core[5ecddd5f6ab0df47]::result::Result<(), rustc_span[3385b0a88a85fcb6]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5ecddd5f6ab0df47]::result::Result<(), rustc_span[3385b0a88a85fcb6]::ErrorGuaranteed>>::{closure#1} as core[5ecddd5f6ab0df47]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
49: 0x7f7e3f170c05 - as core::ops::function::FnOnce>::call_once::h0018b354bb46a254
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/alloc/src/boxed.rs:2007:9
50: 0x7f7e3f170c05 - as core::ops::function::FnOnce>::call_once::hb166705f6d4a8b53
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/alloc/src/boxed.rs:2007:9
51: 0x7f7e3f170c05 - std::sys::unix::thread::Thread::new::thread_start::hdac26740529f6e03
at /rustc/57ef8898520f7ff2c60341636bb86d94cb550e79/library/std/src/sys/unix/thread.rs:108:17
52: 0x7f7e3ef139eb -
53: 0x7f7e3ef977cc -
54: 0x0 -
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 1.75.0-nightly (57ef88985 2023-10-13) running on x86_64-unknown-linux-gnu
note: compiler flags: -Z trait-solver=next-coherence -Z dump-mir-dir=dir
query stack during panic:
#0 [specialization_graph_of] building specialization graph of trait `Trait`
#1 [coherent_trait] coherence checking all impls of trait `Trait`
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 3 previous errors; 1 warning emitted
Some errors have detailed explanations: E0423, E0601.
For more information about an error, try `rustc --explain E0423`.
```