Closed
Description
Code
#![feature(generators, generator_trait)]
use std::ops::Generator;
use std::pin::Pin;
fn main() {
let mut a = 5;
let mut b = || {
let d = 6;
yield;
_zzz(); // #break
a = d;
};
Pin::new(&mut b).resume();
}
fn _zzz() {()}Meta
rustc --version --verbose:
rustc 1.66.0-nightly (57f097ea2 2022-10-01)
binary: rustc
commit-hash: 57f097ea25f2c05f424fc9b9dc50dbd6d399845c
commit-date: 2022-10-01
host: x86_64-unknown-linux-gnu
release: 1.66.0-nightly
LLVM version: 15.0.2
Error output
rustc -Zdrop-tracking <file>
error[E0061]: this function takes 1 argument but 0 arguments were supplied
--> ./35a67217f16718c45dd897c4b00ceaa647b8d5d8.rs:14:22
|
14 | Pin::new(&mut b).resume();
| ^^^^^^-- an argument of type `()` is missing
|
note: associated function defined here
--> /home/matthias/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/generator.rs:114:8
|
114 | fn resume(self: Pin<&mut Self>, arg: R) -> GeneratorState<Self::Yield, Self::Return>;
| ^^^^^^
help: provide the argument
|
14 | Pin::new(&mut b).resume(());
| ~~~~
Backtrace
thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', /cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/snapshot_vec.rs:199:10
stack backtrace:
0: 0x7fe16632b380 - std::backtrace_rs::backtrace::libunwind::trace::h80b67585f93dcdfa
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
1: 0x7fe16632b380 - std::backtrace_rs::backtrace::trace_unsynchronized::h1727d1d942e500b9
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7fe16632b380 - std::sys_common::backtrace::_print_fmt::h1d58d8daeea91706
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:66:5
3: 0x7fe16632b380 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h813c9b7ed78580ba
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:45:22
4: 0x7fe16638614e - core::fmt::write::h3eecc0c99e4c5326
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/core/src/fmt/mod.rs:1209:17
5: 0x7fe16631bf05 - std::io::Write::write_fmt::h169b89be5a4eb2e3
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/io/mod.rs:1679:15
6: 0x7fe16632e123 - std::sys_common::backtrace::_print::h8470ccc2c46bc222
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:48:5
7: 0x7fe16632e123 - std::sys_common::backtrace::print::h59bfcbb529aad43f
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:35:9
8: 0x7fe16632e123 - std::panicking::default_hook::{{closure}}::h19081fa8b049df20
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:267:22
9: 0x7fe16632ddfa - std::panicking::default_hook::h8f0eea70584d6151
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:286:9
10: 0x7fe168b9ac21 - <rustc_driver[5f28de9a0492c992]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[2f8af133219d6c11]::ops::function::FnOnce<(&core[2f8af133219d6c11]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
11: 0x7fe16632e95b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb9a306ebd1946910
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1952:9
12: 0x7fe16632e95b - std::panicking::rust_panic_with_hook::h6b2b2d988170cf5c
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:673:13
13: 0x7fe16632e7b7 - std::panicking::begin_panic_handler::{{closure}}::h62d28487481f8926
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:560:13
14: 0x7fe16632b82c - std::sys_common::backtrace::__rust_end_short_backtrace::h7b5def46adfc3854
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys_common/backtrace.rs:138:18
15: 0x7fe16632e4d2 - rust_begin_unwind
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/panicking.rs:556:5
16: 0x7fe166382d23 - core::panicking::panic_fmt::h05e1d78f70f70b46
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/core/src/panicking.rs:142:14
17: 0x7fe166382c62 - core::panicking::panic_bounds_check::hbe7631d6e5693b99
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/core/src/panicking.rs:84:5
18: 0x7fe1674857ce - <rustc_infer[2cd8bebc06dfe0eb]::infer::ShallowResolver as rustc_middle[8a82caabfb0f2329]::ty::fold::TypeFolder>::fold_ty
19: 0x7fe1674fda20 - <rustc_infer[2cd8bebc06dfe0eb]::infer::canonical::canonicalizer::Canonicalizer as rustc_middle[8a82caabfb0f2329]::ty::fold::TypeFolder>::fold_ty
20: 0x7fe167d2c057 - <rustc_infer[2cd8bebc06dfe0eb]::infer::InferCtxt as rustc_trait_selection[cab02295b9e50f19]::traits::query::evaluate_obligation::InferCtxtExt>::predicate_must_hold_modulo_regions
21: 0x7fe167d2ba1c - rustc_trait_selection[cab02295b9e50f19]::traits::type_known_to_meet_bound_modulo_regions
22: 0x7fe168a2da48 - rustc_ty_utils[77e3777a26d786a3]::common_traits::is_copy_raw
23: 0x7fe167e627ef - rustc_query_system[e458c87a166b4189]::query::plumbing::try_execute_query::<rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt, rustc_query_system[e458c87a166b4189]::query::caches::DefaultCache<rustc_middle[8a82caabfb0f2329]::ty::ParamEnvAnd<rustc_middle[8a82caabfb0f2329]::ty::Ty>, bool>>
24: 0x7fe168ada5be - <rustc_query_impl[f6287e509623bd0a]::Queries as rustc_middle[8a82caabfb0f2329]::ty::query::QueryEngine>::is_copy_raw
25: 0x7fe1677cb7b7 - <rustc_middle[8a82caabfb0f2329]::ty::Ty>::is_copy_modulo_regions
26: 0x7fe167e14f5d - rustc_ty_utils[77e3777a26d786a3]::needs_drop::needs_drop_raw
27: 0x7fe167e627ef - rustc_query_system[e458c87a166b4189]::query::plumbing::try_execute_query::<rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt, rustc_query_system[e458c87a166b4189]::query::caches::DefaultCache<rustc_middle[8a82caabfb0f2329]::ty::ParamEnvAnd<rustc_middle[8a82caabfb0f2329]::ty::Ty>, bool>>
28: 0x7fe168ada83e - <rustc_query_impl[f6287e509623bd0a]::Queries as rustc_middle[8a82caabfb0f2329]::ty::query::QueryEngine>::needs_drop_raw
29: 0x7fe168de99f8 - <rustc_hir_analysis[c82a15bd09de242e]::check::generator_interior::drop_ranges::record_consumed_borrow::ExprUseDelegate as rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::Delegate>::mutate
30: 0x7fe1682e624f - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::mutate_expr
31: 0x7fe1682e3eac - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::walk_expr
32: 0x7fe1682e4c52 - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::consume_expr
33: 0x7fe1682e5c16 - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::walk_block
34: 0x7fe1682e2cd1 - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::walk_expr
35: 0x7fe1682e4c52 - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::consume_expr
36: 0x7fe168632723 - <rustc_hir_analysis[c82a15bd09de242e]::expr_use_visitor::ExprUseVisitor>::consume_body
37: 0x7fe168de92dd - rustc_hir_analysis[c82a15bd09de242e]::check::generator_interior::drop_ranges::record_consumed_borrow::find_consumed_and_borrowed
38: 0x7fe168e01673 - rustc_hir_analysis[c82a15bd09de242e]::check::generator_interior::drop_ranges::compute_drop_ranges
39: 0x7fe168e3900c - rustc_hir_analysis[c82a15bd09de242e]::check::generator_interior::resolve_interior
40: 0x7fe16772f08d - <rustc_hir_analysis[c82a15bd09de242e]::check::inherited::InheritedBuilder>::enter::<rustc_hir_analysis[c82a15bd09de242e]::check::typeck_with_fallback<rustc_hir_analysis[c82a15bd09de242e]::check::typeck::{closure#0}>::{closure#1}, &rustc_middle[8a82caabfb0f2329]::ty::context::TypeckResults>
41: 0x7fe16772af2f - rustc_hir_analysis[c82a15bd09de242e]::check::typeck
42: 0x7fe168257bf8 - rustc_query_system[e458c87a166b4189]::query::plumbing::try_execute_query::<rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt, rustc_query_system[e458c87a166b4189]::query::caches::DefaultCache<rustc_span[efd8b0f1895919e0]::def_id::LocalDefId, &rustc_middle[8a82caabfb0f2329]::ty::context::TypeckResults>>
43: 0x7fe168ad81fe - <rustc_query_impl[f6287e509623bd0a]::Queries as rustc_middle[8a82caabfb0f2329]::ty::query::QueryEngine>::typeck
44: 0x7fe16891afb7 - rustc_data_structures[cfd6ab9a7f8b3ad]::sync::par_for_each_in::<&[rustc_span[efd8b0f1895919e0]::def_id::LocalDefId], <rustc_middle[8a82caabfb0f2329]::hir::map::Map>::par_body_owners<rustc_hir_analysis[c82a15bd09de242e]::check::typeck_item_bodies::{closure#0}>::{closure#0}>
45: 0x7fe16891ad73 - rustc_hir_analysis[c82a15bd09de242e]::check::typeck_item_bodies
46: 0x7fe1688246ea - rustc_query_system[e458c87a166b4189]::query::plumbing::try_execute_query::<rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt, rustc_query_system[e458c87a166b4189]::query::caches::DefaultCache<(), ()>>
47: 0x7fe168824417 - rustc_query_system[e458c87a166b4189]::query::plumbing::get_query::<rustc_query_impl[f6287e509623bd0a]::queries::typeck_item_bodies, rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt>
48: 0x7fe167fa762f - <rustc_session[786cb1c5da006f9b]::session::Session>::time::<(), rustc_hir_analysis[c82a15bd09de242e]::check_crate::{closure#7}>
49: 0x7fe167fa72c5 - rustc_hir_analysis[c82a15bd09de242e]::check_crate
50: 0x7fe167fa68c7 - rustc_interface[a2e36ac52ab23c81]::passes::analysis
51: 0x7fe168963ce4 - rustc_query_system[e458c87a166b4189]::query::plumbing::try_execute_query::<rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt, rustc_query_system[e458c87a166b4189]::query::caches::DefaultCache<(), core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>>
52: 0x7fe168963a17 - rustc_query_system[e458c87a166b4189]::query::plumbing::get_query::<rustc_query_impl[f6287e509623bd0a]::queries::analysis, rustc_query_impl[f6287e509623bd0a]::plumbing::QueryCtxt>
53: 0x7fe167896ab7 - <rustc_interface[a2e36ac52ab23c81]::passes::QueryContext>::enter::<rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>
54: 0x7fe16788a04c - rustc_interface[a2e36ac52ab23c81]::interface::create_compiler_and_run::<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>
55: 0x7fe167888982 - <scoped_tls[430d84ded6e482c8]::ScopedKey<rustc_span[efd8b0f1895919e0]::SessionGlobals>>::set::<rustc_interface[a2e36ac52ab23c81]::interface::run_compiler<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>
56: 0x7fe16788866f - std[281da818632cbbdf]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[a2e36ac52ab23c81]::util::run_in_thread_pool_with_globals<rustc_interface[a2e36ac52ab23c81]::interface::run_compiler<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>
57: 0x7fe1689fc550 - <<std[281da818632cbbdf]::thread::Builder>::spawn_unchecked_<rustc_interface[a2e36ac52ab23c81]::util::run_in_thread_pool_with_globals<rustc_interface[a2e36ac52ab23c81]::interface::run_compiler<core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>, rustc_driver[5f28de9a0492c992]::run_compiler::{closure#1}>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>::{closure#0}, core[2f8af133219d6c11]::result::Result<(), rustc_errors[1020869c0a53ac34]::ErrorGuaranteed>>::{closure#1} as core[2f8af133219d6c11]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
58: 0x7fe166338433 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h26c13cce480449d5
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
59: 0x7fe166338433 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1d016e890f9a0fa4
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/alloc/src/boxed.rs:1938:9
60: 0x7fe166338433 - std::sys::unix::thread::Thread::new::thread_start::ha5f4632b746acf38
at /rustc/57f097ea25f2c05f424fc9b9dc50dbd6d399845c/library/std/src/sys/unix/thread.rs:108:17
61: 0x7fe16609078d - <unknown>
62: 0x7fe1661118e4 - clone
63: 0x0 - <unknown>
error: internal compiler error: unexpected panic
note: 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 1.66.0-nightly (57f097ea2 2022-10-01) running on x86_64-unknown-linux-gnu
note: compiler flags: -Z drop-tracking
query stack during panic:
#0 [is_copy_raw] computing whether `{integer}` is `Copy`
#1 [needs_drop_raw] computing whether `{integer}` needs drop
#2 [typeck] type-checking `main`
#3 [typeck_item_bodies] type-checking all item bodies
#4 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to previous error
For more information about this error, try `rustc --explain E0061`.