Closed
Description
Found with a modified fuzz-rustc
Code
trait T {}
fn f() -> impl Fn(impl T) {
let p = ();
|_| p
}
fn main() {}The ICE occurs with --edition=2021 but not with --edition=2018
Error output
error[E0666]: nested impl Trait is not allowed
error[E0562]: impl Trait only allowed in function and inherent method argument and return types, not in Fn trait params
thread 'rustc' panicked at compiler/rustc_mir_build/src/build/expr/as_place.rs:253:31:
called Option::unwrap() on a None value
Full output including backtrace
error[E0666]: nested `impl Trait` is not allowed
--> src/main.rs:3:19
|
3 | fn f() -> impl Fn(impl T) {
| --------^^^^^^-
| | |
| | nested `impl Trait` here
| outer `impl Trait`
error[E0562]: `impl Trait` only allowed in function and inherent method argument and return types, not in `Fn` trait params
--> src/main.rs:3:19
|
3 | fn f() -> impl Fn(impl T) {
| ^^^^^^
thread 'rustc' panicked at compiler/rustc_mir_build/src/build/expr/as_place.rs:253:31:
called `Option::unwrap()` on a `None` value
stack backtrace:
0: 0x101ba629b - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h47b89dfc1056a325
1: 0x101c01f03 - core::fmt::write::h5d68fbe2da19f28b
2: 0x101b9c6ae - std::io::Write::write_fmt::h88f43327f33ae491
3: 0x101ba6079 - std::sys_common::backtrace::print::h5e901b20eaadd8d9
4: 0x101ba9245 - std::panicking::default_hook::{{closure}}::h8c7a1b1f76e41deb
5: 0x101ba8fc4 - std::panicking::default_hook::haa88fb66995109d3
6: 0x1118d27ae - <alloc[586afbd608b72962]::boxed::Box<rustc_driver_impl[e6cc4300320f3020]::install_ice_hook::{closure#0}> as core[bc4f2b6eb0b2df1c]::ops::function::Fn<(&dyn for<'a, 'b> core[bc4f2b6eb0b2df1c]::ops::function::Fn<(&'a core[bc4f2b6eb0b2df1c]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[bc4f2b6eb0b2df1c]::marker::Send + core[bc4f2b6eb0b2df1c]::marker::Sync, &core[bc4f2b6eb0b2df1c]::panic::panic_info::PanicInfo)>>::call
7: 0x101ba98e5 - std::panicking::rust_panic_with_hook::h1d8fecf8796034a5
8: 0x101ba964c - std::panicking::begin_panic_handler::{{closure}}::hb6fd7b02e92de3d2
9: 0x101ba6779 - std::sys_common::backtrace::__rust_end_short_backtrace::hc0896fbb75ca2467
10: 0x101ba93d2 - _rust_begin_unwind
11: 0x101c2bb85 - core::panicking::panic_fmt::hbf1cd1e15e487a46
12: 0x101c2bc17 - core::panicking::panic::ha5648d053fcea7cf
13: 0x1125ca0f0 - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest
14: 0x1125ccc78 - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::in_scope::<<rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest::{closure#0}::{closure#0}, ()>
15: 0x1125ca82d - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest::{closure#0}
16: 0x1125c7656 - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest
17: 0x1125ccc78 - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::in_scope::<<rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest::{closure#0}::{closure#0}, ()>
18: 0x1125ca82d - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest::{closure#0}
19: 0x1125c7656 - <rustc_mir_build[27120349ba8a14dd]::build::Builder>::expr_into_dest
20: 0x1125a3c09 - rustc_mir_build[27120349ba8a14dd]::build::mir_build::{closure#0}
21: 0x1125a22e3 - rustc_mir_build[27120349ba8a14dd]::build::mir_built
22: 0x112d5392f - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_built::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
23: 0x112eab90c - <rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_built::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalDefId)>>::call_once
24: 0x112d0241f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
25: 0x112d90ccb - rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace
26: 0x1127496ca - rustc_middle[64d5e69fdab215c5]::query::plumbing::query_get_at::<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>>
27: 0x112765e70 - rustc_mir_transform[7673fa52c4d14ac1]::check_unsafety::unsafety_check_result
28: 0x112d5156f - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
29: 0x112ea94fc - <rustc_query_impl[1f7dbace0c76e519]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalDefId)>>::call_once
30: 0x112d0241f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
31: 0x112d990ab - rustc_query_impl[1f7dbace0c76e519]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
32: 0x1127496ca - rustc_middle[64d5e69fdab215c5]::query::plumbing::query_get_at::<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>>
33: 0x1127642a6 - <rustc_mir_transform[7673fa52c4d14ac1]::check_unsafety::UnsafetyChecker as rustc_middle[64d5e69fdab215c5]::mir::visit::Visitor>::visit_rvalue
34: 0x112766120 - rustc_mir_transform[7673fa52c4d14ac1]::check_unsafety::unsafety_check_result
35: 0x112d5156f - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::unsafety_check_result::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
36: 0x112ea94fc - <rustc_query_impl[1f7dbace0c76e519]::query_impl::unsafety_check_result::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalDefId)>>::call_once
37: 0x112d0241f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
38: 0x112d990ab - rustc_query_impl[1f7dbace0c76e519]::query_impl::unsafety_check_result::get_query_non_incr::__rust_end_short_backtrace
39: 0x1128d456d - rustc_mir_transform[7673fa52c4d14ac1]::mir_const
40: 0x112d5394f - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_const::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
41: 0x112e664cc - <rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_const::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalDefId)>>::call_once
42: 0x112d0241f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
43: 0x112d90fbb - rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_const::get_query_non_incr::__rust_end_short_backtrace
44: 0x1128bf65a - rustc_middle[64d5e69fdab215c5]::query::plumbing::query_get_at::<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>>
45: 0x1128d4acf - rustc_mir_transform[7673fa52c4d14ac1]::mir_promoted
46: 0x112d4e2c4 - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 16usize]>>
47: 0x112e62a90 - <rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_promoted::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalDefId)>>::call_once
48: 0x112cf446a - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
49: 0x112d91c5b - rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
50: 0x1111c64d3 - rustc_borrowck[80340335ac9afbc1]::mir_borrowck
51: 0x112d4e26f - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
52: 0x112e626ac - <rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_borrowck::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalDefId)>>::call_once
53: 0x112d0241f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
54: 0x112d9d39b - rustc_query_impl[1f7dbace0c76e519]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
55: 0x111be239a - rustc_middle[64d5e69fdab215c5]::query::plumbing::query_get_at::<rustc_query_system[a9a8fa527be5a562]::query::caches::VecCache<rustc_span[5ac116ba370720eb]::def_id::LocalDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>>
56: 0x111bf7331 - rustc_hir_analysis[cebd03adaf2a8c68]::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit
57: 0x112d4ecd4 - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
58: 0x112f3bfbf - <rustc_query_impl[1f7dbace0c76e519]::query_impl::type_of_opaque::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::DefId)>>::call_once
59: 0x112ca0f7f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::DefaultCache<rustc_span[5ac116ba370720eb]::def_id::DefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
60: 0x112d8c74a - rustc_query_impl[1f7dbace0c76e519]::query_impl::type_of_opaque::get_query_non_incr::__rust_end_short_backtrace
61: 0x111bbfd37 - rustc_middle[64d5e69fdab215c5]::query::plumbing::query_get_at::<rustc_query_system[a9a8fa527be5a562]::query::caches::DefaultCache<rustc_span[5ac116ba370720eb]::def_id::DefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>>
62: 0x111bd6593 - rustc_hir_analysis[cebd03adaf2a8c68]::collect::type_of::type_of
63: 0x112d535b1 - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::type_of::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>
64: 0x112f4269f - <rustc_query_impl[1f7dbace0c76e519]::query_impl::type_of::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::DefId)>>::call_once
65: 0x112ca0f7f - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::DefaultCache<rustc_span[5ac116ba370720eb]::def_id::DefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
66: 0x112d8c42a - rustc_query_impl[1f7dbace0c76e519]::query_impl::type_of::get_query_non_incr::__rust_end_short_backtrace
67: 0x111bbfd37 - rustc_middle[64d5e69fdab215c5]::query::plumbing::query_get_at::<rustc_query_system[a9a8fa527be5a562]::query::caches::DefaultCache<rustc_span[5ac116ba370720eb]::def_id::DefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 8usize]>>>
68: 0x111bc6604 - rustc_hir_analysis[cebd03adaf2a8c68]::check::check::check_item_type
69: 0x111bceafc - rustc_hir_analysis[cebd03adaf2a8c68]::check::check::check_mod_item_types
70: 0x112d50e2f - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 0usize]>>
71: 0x112f3e86c - <rustc_query_impl[1f7dbace0c76e519]::query_impl::check_mod_item_types::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, rustc_span[5ac116ba370720eb]::def_id::LocalModDefId)>>::call_once
72: 0x112c82040 - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::DefaultCache<rustc_span[5ac116ba370720eb]::def_id::LocalModDefId, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
73: 0x112d9b09a - rustc_query_impl[1f7dbace0c76e519]::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
74: 0x111c1c0fe - rustc_hir_analysis[cebd03adaf2a8c68]::check_crate
75: 0x1120d386f - rustc_interface[33ae589e04b46ee6]::passes::analysis
76: 0x112d535cd - rustc_query_impl[1f7dbace0c76e519]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1f7dbace0c76e519]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 1usize]>>
77: 0x112f13559 - <rustc_query_impl[1f7dbace0c76e519]::query_impl::analysis::dynamic_query::{closure#2} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<(rustc_middle[64d5e69fdab215c5]::ty::context::TyCtxt, ())>>::call_once
78: 0x112c39ba0 - rustc_query_system[a9a8fa527be5a562]::query::plumbing::try_execute_query::<rustc_query_impl[1f7dbace0c76e519]::DynamicConfig<rustc_query_system[a9a8fa527be5a562]::query::caches::SingleCache<rustc_middle[64d5e69fdab215c5]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[1f7dbace0c76e519]::plumbing::QueryCtxt, false>
79: 0x112d8d601 - rustc_query_impl[1f7dbace0c76e519]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
80: 0x1118d6dc1 - <rustc_middle[64d5e69fdab215c5]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[e6cc4300320f3020]::run_compiler::{closure#1}::{closure#2}::{closure#6}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>
81: 0x111879ccd - <rustc_interface[33ae589e04b46ee6]::interface::Compiler>::enter::<rustc_driver_impl[e6cc4300320f3020]::run_compiler::{closure#1}::{closure#2}, core[bc4f2b6eb0b2df1c]::result::Result<core[bc4f2b6eb0b2df1c]::option::Option<rustc_interface[33ae589e04b46ee6]::queries::Linker>, rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>
82: 0x1118ae400 - rustc_span[5ac116ba370720eb]::set_source_map::<core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>, rustc_interface[33ae589e04b46ee6]::interface::run_compiler<core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>, rustc_driver_impl[e6cc4300320f3020]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
83: 0x1118b0110 - rustc_span[5ac116ba370720eb]::create_session_globals_then::<core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>, rustc_interface[33ae589e04b46ee6]::util::run_in_thread_pool_with_globals<rustc_interface[33ae589e04b46ee6]::interface::run_compiler<core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>, rustc_driver_impl[e6cc4300320f3020]::run_compiler::{closure#1}>::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>::{closure#0}>
84: 0x1118ec635 - std[32cc99a1e09f1cb9]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[33ae589e04b46ee6]::util::run_in_thread_with_globals<rustc_interface[33ae589e04b46ee6]::util::run_in_thread_pool_with_globals<rustc_interface[33ae589e04b46ee6]::interface::run_compiler<core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>, rustc_driver_impl[e6cc4300320f3020]::run_compiler::{closure#1}>::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>
85: 0x1118f11e9 - <<std[32cc99a1e09f1cb9]::thread::Builder>::spawn_unchecked_<rustc_interface[33ae589e04b46ee6]::util::run_in_thread_with_globals<rustc_interface[33ae589e04b46ee6]::util::run_in_thread_pool_with_globals<rustc_interface[33ae589e04b46ee6]::interface::run_compiler<core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>, rustc_driver_impl[e6cc4300320f3020]::run_compiler::{closure#1}>::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bc4f2b6eb0b2df1c]::result::Result<(), rustc_span[5ac116ba370720eb]::ErrorGuaranteed>>::{closure#1} as core[bc4f2b6eb0b2df1c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
86: 0x101bb3a99 - std::sys::unix::thread::Thread::new::thread_start::h3e0c38234bb5890f
87: 0x7ff81e7c04e1 - __pthread_start
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: please attach the file at `/Users/jruderman/code/tt/b1/rustc-ice-2023-11-11T02_04_53-7516.txt` to your bug report
query stack during panic:
#0 [mir_built] building MIR for `f::{closure#0}`
#1 [unsafety_check_result] unsafety-checking `f::{closure#0}`
#2 [unsafety_check_result] unsafety-checking `f`
#3 [mir_const] preparing `f` for borrow checking
#4 [mir_promoted] promoting constants in MIR for `f`
#5 [mir_borrowck] borrow-checking `f`
#6 [type_of_opaque] computing type of opaque `f::{opaque#0}`
#7 [type_of] computing type of `f::{opaque#0}`
#8 [check_mod_item_types] checking item types in top-level module
#9 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0562, E0666.
For more information about an error, try `rustc --explain E0562`.
Regression
Regression in nightly-2022-01-15, possibly due to #89861
Commits in range
commit[0] 2022-01-13UTC: Auto merge of #89861 - nbdd0121:closure, r=wesleywiser
commit[1] 2022-01-14UTC: Auto merge of #92844 - matthiaskrgr:rollup-z5wb6yi, r=matthiaskrgr
commit[2] 2022-01-14UTC: Auto merge of #92781 - lambinoo:I-92755-no-mir-missing-reachable, r=petrochenkov
commit[3] 2022-01-14UTC: Auto merge of #92681 - Aaron1011:task-deps-ref, r=cjgillot
commit[4] 2022-01-14UTC: Auto merge of #92883 - matthiaskrgr:rollup-uoudywx, r=matthiaskrgr
Version
rustc 1.75.0-nightly (fdaaaf9f9 2023-11-08)
binary: rustc
commit-hash: fdaaaf9f923281ab98b865259aa40fbf93d72c7a
commit-date: 2023-11-08
host: x86_64-apple-darwin
release: 1.75.0-nightly
LLVM version: 17.0.4