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ICE with nested impl and closure capture #117802

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jruderman opened this issue Nov 11, 2023 · 2 comments
Closed

ICE with nested impl and closure capture #117802

jruderman opened this issue Nov 11, 2023 · 2 comments
Labels
A-closures Area: Closures (`|…| { … }`) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@jruderman
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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
@jruderman jruderman added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Nov 11, 2023
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Nov 11, 2023
@saethlin saethlin added A-closures Area: Closures (`|…| { … }`) and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Nov 11, 2023
@matthiaskrgr
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I think this is a duplicate of #110453

@matthiaskrgr
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Fixed by #118751

@matthiaskrgr matthiaskrgr mentioned this issue Dec 13, 2023
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A-closures Area: Closures (`|…| { … }`) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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