Closed
Description
auto-reduced (treereduce-rust):
pub struct Blorb<const N: u16>([String; N]);
pub struct Wrap(Blorb<0>);
pub const fn i(_: Wrap) {}
original:
//@ build-pass
pub(crate) const fn f<T, const N: usize>(_: [std::mem::MaybeUninit<T>; N]) {}
pub struct Blubb<T>(*const T);
pub const fn g<T, const N: usize>(_: [Blubb<T>; N]) {}
pub struct Blorb<const N: u16>([String; N]);
pub const fn h(_: Blorb<0>) {}
pub struct Wrap(Blorb<0>);
pub const fn i(_: Wrap) {}
fn main() {}Version information
rustc 1.83.0-nightly (c4f717650 2024-10-01)
binary: rustc
commit-hash: c4f7176501a7d3c19c230b8c9111b2d39142f83a
commit-date: 2024-10-01
host: x86_64-unknown-linux-gnu
release: 1.83.0-nightly
LLVM version: 19.1.0
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.LKr6KsHYtGSy/rustc_testrunner_tmpdir_reporting.3bKrkGKxt953/mvce.rs:5:27
|
5 | pub const fn i(_: Wrap) {}
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.LKr6KsHYtGSy/rustc_testrunner_tmpdir_reporting.3bKrkGKxt953/mvce.rs`
error: the constant `N` is not of type `usize`
--> /tmp/icemaker_global_tempdir.LKr6KsHYtGSy/rustc_testrunner_tmpdir_reporting.3bKrkGKxt953/mvce.rs:1:32
|
1 | pub struct Blorb<const N: u16>([String; N]);
| ^^^^^^^^^^^ expected `usize`, found `u16`
error: internal compiler error: compiler/rustc_middle/src/ty/consts/int.rs:263:13: expected int of size 8, but got size 2
thread 'rustc' panicked at compiler/rustc_middle/src/ty/consts/int.rs:263:13:
Box<dyn Any>
stack backtrace:
0: 0x7047d26daeda - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::had0a4a07d444c243
1: 0x7047d2e033e6 - core::fmt::write::hfa03780471fd40a1
2: 0x7047d3fbd491 - std::io::Write::write_fmt::he88bb98b829c33b1
3: 0x7047d26dad32 - std::sys::backtrace::BacktraceLock::print::h1e8153a6bf47e7a5
4: 0x7047d26dd251 - std::panicking::default_hook::{{closure}}::h2d7a6dde612f1b16
5: 0x7047d26dd084 - std::panicking::default_hook::ha6ce9de3458bcdda
6: 0x7047d17a486f - std[c1d7bd3f58de7430]::panicking::update_hook::<alloc[29d5ad3c4a91d383]::boxed::Box<rustc_driver_impl[b3d9015aed309aa5]::install_ice_hook::{closure#0}>>::{closure#0}
7: 0x7047d26dd968 - std::panicking::rust_panic_with_hook::haf1d2e00d64b82f1
8: 0x7047d17de321 - std[c1d7bd3f58de7430]::panicking::begin_panic::<rustc_errors[a2cc27f529684419]::ExplicitBug>::{closure#0}
9: 0x7047d17d13c6 - std[c1d7bd3f58de7430]::sys::backtrace::__rust_end_short_backtrace::<std[c1d7bd3f58de7430]::panicking::begin_panic<rustc_errors[a2cc27f529684419]::ExplicitBug>::{closure#0}, !>
10: 0x7047d17ccad9 - std[c1d7bd3f58de7430]::panicking::begin_panic::<rustc_errors[a2cc27f529684419]::ExplicitBug>
11: 0x7047d17e7bb1 - <rustc_errors[a2cc27f529684419]::diagnostic::BugAbort as rustc_errors[a2cc27f529684419]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
12: 0x7047d1e0ba54 - rustc_middle[99056c3c142edfd1]::util::bug::opt_span_bug_fmt::<rustc_span[fbdd09955dfcae25]::span_encoding::Span>::{closure#0}
13: 0x7047d1df17ca - rustc_middle[99056c3c142edfd1]::ty::context::tls::with_opt::<rustc_middle[99056c3c142edfd1]::util::bug::opt_span_bug_fmt<rustc_span[fbdd09955dfcae25]::span_encoding::Span>::{closure#0}, !>::{closure#0}
14: 0x7047d1df165b - rustc_middle[99056c3c142edfd1]::ty::context::tls::with_context_opt::<rustc_middle[99056c3c142edfd1]::ty::context::tls::with_opt<rustc_middle[99056c3c142edfd1]::util::bug::opt_span_bug_fmt<rustc_span[fbdd09955dfcae25]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
15: 0x7047cf3cce60 - rustc_middle[99056c3c142edfd1]::util::bug::bug_fmt
16: 0x7047cf94826a - rustc_middle[99056c3c142edfd1]::ty::util::needs_drop_components_with_async
17: 0x7047d31ebeb7 - rustc_ty_utils[7eb78ab09d37383f]::needs_drop::needs_drop_raw
18: 0x7047d31eba8f - rustc_query_impl[a128c9efc091a24e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[a128c9efc091a24e]::query_impl::needs_drop_raw::dynamic_query::{closure#2}::{closure#0}, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 1usize]>>
19: 0x7047d31eaebf - rustc_query_system[a5b010e784c9cc4f]::query::plumbing::try_execute_query::<rustc_query_impl[a128c9efc091a24e]::DynamicConfig<rustc_query_system[a5b010e784c9cc4f]::query::caches::DefaultCache<rustc_middle[99056c3c142edfd1]::ty::ParamEnvAnd<rustc_middle[99056c3c142edfd1]::ty::Ty>, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[a128c9efc091a24e]::plumbing::QueryCtxt, false>
20: 0x7047d31eab0e - rustc_query_impl[a128c9efc091a24e]::query_impl::needs_drop_raw::get_query_non_incr::__rust_end_short_backtrace
21: 0x7047d37a04a2 - rustc_mir_build[624742ab29f03d50]::build::mir_build
22: 0x7047d2e04f06 - rustc_mir_transform[72b720a2bb6a9bbb]::mir_built
23: 0x7047d2e04ec9 - rustc_query_impl[a128c9efc091a24e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[a128c9efc091a24e]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 8usize]>>
24: 0x7047d31a94ba - rustc_query_system[a5b010e784c9cc4f]::query::plumbing::try_execute_query::<rustc_query_impl[a128c9efc091a24e]::DynamicConfig<rustc_query_system[a5b010e784c9cc4f]::query::caches::VecCache<rustc_span[fbdd09955dfcae25]::def_id::LocalDefId, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[a128c9efc091a24e]::plumbing::QueryCtxt, false>
25: 0x7047d31a8fcd - rustc_query_impl[a128c9efc091a24e]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
26: 0x7047cf4dc4e3 - rustc_mir_build[624742ab29f03d50]::check_unsafety::check_unsafety
27: 0x7047d3633fe7 - rustc_query_impl[a128c9efc091a24e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[a128c9efc091a24e]::query_impl::check_unsafety::dynamic_query::{closure#2}::{closure#0}, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 0usize]>>
28: 0x7047d3634298 - rustc_query_system[a5b010e784c9cc4f]::query::plumbing::try_execute_query::<rustc_query_impl[a128c9efc091a24e]::DynamicConfig<rustc_query_system[a5b010e784c9cc4f]::query::caches::VecCache<rustc_span[fbdd09955dfcae25]::def_id::LocalDefId, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[a128c9efc091a24e]::plumbing::QueryCtxt, false>
29: 0x7047d3633f17 - rustc_query_impl[a128c9efc091a24e]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace
30: 0x7047d31a2d47 - rustc_interface[89dec4b9d675c708]::passes::run_required_analyses
31: 0x7047d3b0f51e - rustc_interface[89dec4b9d675c708]::passes::analysis
32: 0x7047d3b0f4f1 - rustc_query_impl[a128c9efc091a24e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[a128c9efc091a24e]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 1usize]>>
33: 0x7047d3c9252e - rustc_query_system[a5b010e784c9cc4f]::query::plumbing::try_execute_query::<rustc_query_impl[a128c9efc091a24e]::DynamicConfig<rustc_query_system[a5b010e784c9cc4f]::query::caches::SingleCache<rustc_middle[99056c3c142edfd1]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[a128c9efc091a24e]::plumbing::QueryCtxt, false>
34: 0x7047d3c9220f - rustc_query_impl[a128c9efc091a24e]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
35: 0x7047d3b1f55e - rustc_interface[89dec4b9d675c708]::interface::run_compiler::<core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>, rustc_driver_impl[b3d9015aed309aa5]::run_compiler::{closure#0}>::{closure#1}
36: 0x7047d3bea350 - std[c1d7bd3f58de7430]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[89dec4b9d675c708]::util::run_in_thread_with_globals<rustc_interface[89dec4b9d675c708]::util::run_in_thread_pool_with_globals<rustc_interface[89dec4b9d675c708]::interface::run_compiler<core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>, rustc_driver_impl[b3d9015aed309aa5]::run_compiler::{closure#0}>::{closure#1}, core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>>::{closure#0}, core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>>
37: 0x7047d3bea9ba - <<std[c1d7bd3f58de7430]::thread::Builder>::spawn_unchecked_<rustc_interface[89dec4b9d675c708]::util::run_in_thread_with_globals<rustc_interface[89dec4b9d675c708]::util::run_in_thread_pool_with_globals<rustc_interface[89dec4b9d675c708]::interface::run_compiler<core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>, rustc_driver_impl[b3d9015aed309aa5]::run_compiler::{closure#0}>::{closure#1}, core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>>::{closure#0}, core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d0cd706d8d014919]::result::Result<(), rustc_span[fbdd09955dfcae25]::ErrorGuaranteed>>::{closure#1} as core[d0cd706d8d014919]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
38: 0x7047d3beadab - std::sys::pal::unix::thread::Thread::new::thread_start::h6a16a471557e53ce
39: 0x7047d533639d - <unknown>
40: 0x7047d53bb49c - <unknown>
41: 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 1.83.0-nightly (c4f717650 2024-10-01) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [needs_drop_raw] computing whether `Wrap` needs drop
#1 [mir_built] building MIR for `i`
end of query stack
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0601`.