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Compiler panic, partial_cmp #114056

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RichoDemus opened this issue Jul 25, 2023 · 6 comments
Open

Compiler panic, partial_cmp #114056

RichoDemus opened this issue Jul 25, 2023 · 6 comments
Labels
C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. 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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@RichoDemus
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RichoDemus commented Jul 25, 2023 •
edited
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Code

https://github.com/RichoDemus/luna/tree/compiler_crash

Meta

bug is also in nightly edit: no it's not, I invoked the nightly flag incorrectly

rustc --version --verbose:

❯ rustc --version --verbose
rustc 1.71.0 (8ede3aae2 2023-07-12)
binary: rustc
commit-hash: 8ede3aae28fe6e4d52b38157d7bfe0d3bceef225
commit-date: 2023-07-12
host: x86_64-pc-windows-msvc
release: 1.71.0
LLVM version: 16.0.5

Error output

<output>
Backtrace 

thread 'rustc' panicked at 'index out of bounds: the len is 162 but the index is 167', C:\Users\runneradmin\.cargo\registry\src\index.crates.io-6f17d22bba15001f\ena-0.14.2\src\snapshot_vec.rs:199:10
stack backtrace:
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

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: rustc 1.71.0 (8ede3aae2 2023-07-12) running on x86_64-pc-windows-msvc

note: compiler flags: --crate-type bin -C opt-level=3 -C embed-bitcode=no

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `train_loop`
#1 [used_trait_imports] finding used_trait_imports `train_loop`
#2 [analysis] running analysis passes on this crate
end of query stack
warning: `luna` (bin "luna") generated 6 warnings (run `cargo fix --bin "luna"` to apply 6 suggestions)
error: could not compile `luna` (bin "luna"); 6 warnings emitted

@RichoDemus RichoDemus 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 Jul 25, 2023
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jul 25, 2023
@RichoDemus
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it started failing when I added main.rs:61
I actually meant to invoke partial_cmp for the float result of MyState::reward() but I accidentally called partial_cmp on MyState and the compiler got sad

This was referenced Jul 25, 2023
Closed
Merged
@saethlin saethlin removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jul 25, 2023
@AsumFace
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I experienced the same error on 1.71.0 with this highly reduced snipped:

struct P<Q>(R<Q>);
impl<U> V
{
}
impl<W> P<Q>
{
    Z() {
        X(&Y) {
            {
                Z() {
                    AB(BB) {
                        IB {
                        }
                    }
                }
            }
        }
    }
}
impl<Q: Eq> P<Q> {
    fn KB(&self, Y) -> MB {
        self.partial_cmp(PB)
    }
}

It does not trigger an ICE on 1.70.0 or 1.72.0.

@Xiretza
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Contributor

Xiretza commented Jul 25, 2023

Is all that stuff actually necessary for you? This also reproduces the ICE (with multiple additional backtraces) for me:

struct P<Q>(Q);
impl<Q> P<Q> {
    fn foo(&self) {
        self.partial_cmp(())
    }
}
output 
thread 'rustc' panicked at 'index out of bounds: the len is 1 but the index is 6', /cargo/registry/src/index.crates.io-6f17d22bba15001f/ena-0.14.2/src/snapshot_vec.rs:199:10
stack backtrace:
   0:     0x7f954bd6a071 - std::backtrace_rs::backtrace::libunwind::trace::h6aeaf83abc038fe6
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f954bd6a071 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f9875212db0ad97
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f954bd6a071 - std::sys_common::backtrace::_print_fmt::h3f820027e9c39d3b
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f954bd6a071 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hded4932df41373b3
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f954bdc9d9f - core::fmt::rt::Argument::fmt::hc8ead7746b2406d6
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/fmt/rt.rs:138:9
   5:     0x7f954bdc9d9f - core::fmt::write::hb1cb56105a082ad9
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f954bd5d271 - std::io::Write::write_fmt::h797fda7085c97e57
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/io/mod.rs:1713:15
   7:     0x7f954bd69e85 - std::sys_common::backtrace::_print::h492d3c92d7400346
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f954bd69e85 - std::sys_common::backtrace::print::hf74aa2eef05af215
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f954bd6cb47 - std::panicking::default_hook::{{closure}}::h8cad394227ea3de8
  10:     0x7f954bd6c934 - std::panicking::default_hook::h249cc184fec99a8a
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:288:9
  11:     0x7f954eee9b5b - rustc_driver_impl[55b27a31f76e3fb7]::install_ice_hook::{closure#0}
  12:     0x7f954bd6d28d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0be7fc2421582b49
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1999:9
  13:     0x7f954bd6d28d - std::panicking::rust_panic_with_hook::h82ebcd5d5ed2fad4
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:709:13
  14:     0x7f954bd6d027 - std::panicking::begin_panic_handler::{{closure}}::h810bed8ecbe66f1a
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:597:13
  15:     0x7f954bd6a4a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h1410008071796261
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:151:18
  16:     0x7f954bd6cd72 - rust_begin_unwind
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:593:5
  17:     0x7f954bdc6023 - core::panicking::panic_fmt::ha0a42a25e0cf258d
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:67:14
  18:     0x7f954bdc6182 - core::panicking::panic_bounds_check::h387b081bddea0fec
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:162:5
  19:     0x7f954cfe9867 - <rustc_infer[ab09412129cf3116]::infer::equate::Equate as rustc_middle[69e8a450f04f22d]::ty::relate::TypeRelation>::tys
  20:     0x7f954d5154c0 - <rustc_infer[ab09412129cf3116]::infer::at::At>::eq::<rustc_middle[69e8a450f04f22d]::ty::Ty>
  21:     0x7f954f0b2fdd - <rustc_infer[ab09412129cf3116]::infer::InferCtxt>::can_eq::<rustc_middle[69e8a450f04f22d]::ty::Ty>
  22:     0x7f954f08a23e - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::suggest_derive
  23:     0x7f954f080a07 - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::report_no_match_method_error
  24:     0x7f954f095573 - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::report_method_error
  25:     0x7f954d4dfa48 - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  26:     0x7f954d51ef0a - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::check_block_with_expected
  27:     0x7f954d4d82f9 - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  28:     0x7f954d9b3eb6 - <rustc_hir_typeck[f9181b2105172c36]::fn_ctxt::FnCtxt>::check_return_expr
  29:     0x7f954d9abb44 - rustc_hir_typeck[f9181b2105172c36]::check::check_fn
  30:     0x7f954d99a057 - rustc_hir_typeck[f9181b2105172c36]::typeck
  31:     0x7f954cfcb71e - rustc_query_impl[9640443f3247e199]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9640443f3247e199]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[69e8a450f04f22d]::query::erase::Erased<[u8; 8usize]>>
  32:     0x7f954cfcb6ee - <rustc_query_impl[9640443f3247e199]::query_impl::typeck::dynamic_query::{closure#2} as core[3d2408b9a7974bb]::ops::function::FnOnce<(rustc_middle[69e8a450f04f22d]::ty::context::TyCtxt, rustc_span[b25f563e2e6d20a1]::def_id::LocalDefId)>>::call_once
  33:     0x7f954d5fafc3 - rustc_query_system[18feb85a2a4aa83f]::query::plumbing::try_execute_query::<rustc_query_impl[9640443f3247e199]::DynamicConfig<rustc_query_system[18feb85a2a4aa83f]::query::caches::VecCache<rustc_span[b25f563e2e6d20a1]::def_id::LocalDefId, rustc_middle[69e8a450f04f22d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9640443f3247e199]::plumbing::QueryCtxt, true>
  34:     0x7f954e8c8eda - rustc_query_impl[9640443f3247e199]::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
  35:     0x7f954d0f9dad - rustc_query_impl[9640443f3247e199]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9640443f3247e199]::query_impl::used_trait_imports::dynamic_query::{closure#2}::{closure#0}, rustc_middle[69e8a450f04f22d]::query::erase::Erased<[u8; 8usize]>>
  36:     0x7f954d0f9d0e - <rustc_query_impl[9640443f3247e199]::query_impl::used_trait_imports::dynamic_query::{closure#2} as core[3d2408b9a7974bb]::ops::function::FnOnce<(rustc_middle[69e8a450f04f22d]::ty::context::TyCtxt, rustc_span[b25f563e2e6d20a1]::def_id::LocalDefId)>>::call_once
  37:     0x7f954d5fafc3 - rustc_query_system[18feb85a2a4aa83f]::query::plumbing::try_execute_query::<rustc_query_impl[9640443f3247e199]::DynamicConfig<rustc_query_system[18feb85a2a4aa83f]::query::caches::VecCache<rustc_span[b25f563e2e6d20a1]::def_id::LocalDefId, rustc_middle[69e8a450f04f22d]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9640443f3247e199]::plumbing::QueryCtxt, true>
  38:     0x7f954e8c90aa - rustc_query_impl[9640443f3247e199]::query_impl::used_trait_imports::get_query_incr::__rust_end_short_backtrace
  39:     0x7f954e3cd37c - rustc_hir_analysis[367b7eb6b2106fd1]::check_crate
  40:     0x7f954e3c843d - rustc_interface[2ac6857faa489841]::passes::analysis
  41:     0x7f954e40624a - rustc_query_impl[9640443f3247e199]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9640443f3247e199]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[69e8a450f04f22d]::query::erase::Erased<[u8; 1usize]>>
  42:     0x7f954e406239 - <rustc_query_impl[9640443f3247e199]::query_impl::analysis::dynamic_query::{closure#2} as core[3d2408b9a7974bb]::ops::function::FnOnce<(rustc_middle[69e8a450f04f22d]::ty::context::TyCtxt, ())>>::call_once
  43:     0x7f954e70e62c - rustc_query_system[18feb85a2a4aa83f]::query::plumbing::try_execute_query::<rustc_query_impl[9640443f3247e199]::DynamicConfig<rustc_query_system[18feb85a2a4aa83f]::query::caches::SingleCache<rustc_middle[69e8a450f04f22d]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[9640443f3247e199]::plumbing::QueryCtxt, true>
  44:     0x7f954e70e1d4 - rustc_query_impl[9640443f3247e199]::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
  45:     0x7f954e172f22 - <rustc_interface[2ac6857faa489841]::queries::QueryResult<&rustc_middle[69e8a450f04f22d]::ty::context::GlobalCtxt>>::enter::<core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>, rustc_driver_impl[55b27a31f76e3fb7]::run_compiler::{closure#1}::{closure#2}::{closure#4}>
  46:     0x7f954e171e85 - <rustc_interface[2ac6857faa489841]::interface::Compiler>::enter::<rustc_driver_impl[55b27a31f76e3fb7]::run_compiler::{closure#1}::{closure#2}, core[3d2408b9a7974bb]::result::Result<core[3d2408b9a7974bb]::option::Option<rustc_interface[2ac6857faa489841]::queries::Linker>, rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>
  47:     0x7f954e16f683 - std[a2d7a4c8dd6a1366]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2ac6857faa489841]::util::run_in_thread_pool_with_globals<rustc_interface[2ac6857faa489841]::interface::run_compiler<core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>, rustc_driver_impl[55b27a31f76e3fb7]::run_compiler::{closure#1}>::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>
  48:     0x7f954e79b165 - <<std[a2d7a4c8dd6a1366]::thread::Builder>::spawn_unchecked_<rustc_interface[2ac6857faa489841]::util::run_in_thread_pool_with_globals<rustc_interface[2ac6857faa489841]::interface::run_compiler<core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>, rustc_driver_impl[55b27a31f76e3fb7]::run_compiler::{closure#1}>::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>::{closure#1} as core[3d2408b9a7974bb]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  49:     0x7f954bd777b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9adfc2ae43657457
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
  50:     0x7f954bd777b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h14fefbfa7b574396
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
  51:     0x7f954bd777b5 - std::sys::unix::thread::Thread::new::thread_start::ha211bb47f6f5cedc
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
  52:     0x7f954bb1344b - <unknown>
  53:     0x7f954bb96e40 - <unknown>
  54:                0x0 - <unknown>

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: rustc 1.71.0 (8ede3aae2 2023-07-12) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `<impl at src/lib.rs:2:1: 2:13>::foo`
#1 [used_trait_imports] finding used_trait_imports `<impl at src/lib.rs:2:1: 2:13>::foo`
#2 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: no warnings or errors encountered even though `delayed_good_path_bugs` issued

error: internal compiler error: trimmed_def_paths constructed but no error emitted; use `DelayDm` for lints or `with_no_trimmed_paths` for debugging
  |
  = note: delayed at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/compiler/rustc_errors/src/lib.rs:1620:30
             0: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             1: rustc_middle::ty::print::pretty::trimmed_def_paths
             2: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::trimmed_def_paths::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             3: <rustc_query_impl::query_impl::trimmed_def_paths::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
             4: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
             5: rustc_query_impl::query_impl::trimmed_def_paths::get_query_incr::__rust_end_short_backtrace
             6: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
             7: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
             8: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
             9: <rustc_middle::ty::sty::TypeAndMut as rustc_middle::ty::print::Print<rustc_middle::ty::print::pretty::FmtPrinter>>::print
            10: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
            11: <rustc_middle::ty::context::TyCtxt>::short_ty_string
            12: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_no_match_method_error
            13: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_method_error
            14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
            18: rustc_hir_typeck::check::check_fn
            19: rustc_hir_typeck::typeck
            20: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            21: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            22: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            23: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            24: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            25: <rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            26: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            27: rustc_query_impl::query_impl::used_trait_imports::get_query_incr::__rust_end_short_backtrace
            28: rustc_hir_analysis::check_crate
            29: rustc_interface::passes::analysis
            30: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            31: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            32: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            33: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            34: <rustc_interface::queries::QueryResult<&rustc_middle::ty::context::GlobalCtxt>>::enter::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}>
            35: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            36: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            37: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            38: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            39: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            40: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
            41: <unknown>
            42: <unknown>


error: internal compiler error: used a `TypeErrCtxt` without raising an error or lint
  |
  = note: delayed at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/compiler/rustc_errors/src/lib.rs:1620:30
             0: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             1: core::ptr::drop_in_place::<rustc_infer::infer::error_reporting::TypeErrCtxt>
             2: <rustc_hir_typeck::fn_ctxt::FnCtxt>::extract_callable_info
             3: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_no_match_method_error
             4: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_method_error
             5: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
             6: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
             7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
             8: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
             9: rustc_hir_typeck::check::check_fn
            10: rustc_hir_typeck::typeck
            11: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            12: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            13: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            14: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            15: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            16: <rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            17: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            18: rustc_query_impl::query_impl::used_trait_imports::get_query_incr::__rust_end_short_backtrace
            19: rustc_hir_analysis::check_crate
            20: rustc_interface::passes::analysis
            21: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            22: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            23: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            24: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            25: <rustc_interface::queries::QueryResult<&rustc_middle::ty::context::GlobalCtxt>>::enter::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}>
            26: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            27: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            28: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            29: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            30: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            31: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
            32: <unknown>
            33: <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: rustc 1.71.0 (8ede3aae2 2023-07-12) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread 'rustc' panicked at 'panic in a function that cannot unwind', library/core/src/panicking.rs:126:5
stack backtrace:
   0:     0x7f954bd6a071 - std::backtrace_rs::backtrace::libunwind::trace::h6aeaf83abc038fe6
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f954bd6a071 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f9875212db0ad97
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f954bd6a071 - std::sys_common::backtrace::_print_fmt::h3f820027e9c39d3b
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f954bd6a071 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hded4932df41373b3
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f954bdc9d9f - core::fmt::rt::Argument::fmt::hc8ead7746b2406d6
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/fmt/rt.rs:138:9
   5:     0x7f954bdc9d9f - core::fmt::write::hb1cb56105a082ad9
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f954bd5d271 - std::io::Write::write_fmt::h797fda7085c97e57
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/io/mod.rs:1713:15
   7:     0x7f954bd69e85 - std::sys_common::backtrace::_print::h492d3c92d7400346
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f954bd69e85 - std::sys_common::backtrace::print::hf74aa2eef05af215
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f954bd6cb47 - std::panicking::default_hook::{{closure}}::h8cad394227ea3de8
  10:     0x7f954bd6c934 - std::panicking::default_hook::h249cc184fec99a8a
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:288:9
  11:     0x7f954eee9b5b - rustc_driver_impl[55b27a31f76e3fb7]::install_ice_hook::{closure#0}
  12:     0x7f954bd6d28d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0be7fc2421582b49
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1999:9
  13:     0x7f954bd6d28d - std::panicking::rust_panic_with_hook::h82ebcd5d5ed2fad4
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:709:13
  14:     0x7f954bd6cfe1 - std::panicking::begin_panic_handler::{{closure}}::h810bed8ecbe66f1a
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:595:13
  15:     0x7f954bd6a4a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h1410008071796261
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:151:18
  16:     0x7f954bd6cd72 - rust_begin_unwind
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:593:5
  17:     0x7f954bdc6063 - core::panicking::panic_nounwind_fmt::h80a99c33c4703954
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:96:14
  18:     0x7f954bdc6107 - core::panicking::panic_nounwind::h81a1bb4a16bcd655
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:126:5
  19:     0x7f954bdc6293 - core::panicking::panic_cannot_unwind::hc3ef110419ba8f94
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:188:5
  20:     0x7f954e17001f - std[a2d7a4c8dd6a1366]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2ac6857faa489841]::util::run_in_thread_pool_with_globals<rustc_interface[2ac6857faa489841]::interface::run_compiler<core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>, rustc_driver_impl[55b27a31f76e3fb7]::run_compiler::{closure#1}>::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>
  21:     0x7f954e79b165 - <<std[a2d7a4c8dd6a1366]::thread::Builder>::spawn_unchecked_<rustc_interface[2ac6857faa489841]::util::run_in_thread_pool_with_globals<rustc_interface[2ac6857faa489841]::interface::run_compiler<core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>, rustc_driver_impl[55b27a31f76e3fb7]::run_compiler::{closure#1}>::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[3d2408b9a7974bb]::result::Result<(), rustc_span[b25f563e2e6d20a1]::ErrorGuaranteed>>::{closure#1} as core[3d2408b9a7974bb]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  22:     0x7f954bd777b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9adfc2ae43657457
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
  23:     0x7f954bd777b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h14fefbfa7b574396
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
  24:     0x7f954bd777b5 - std::sys::unix::thread::Thread::new::thread_start::ha211bb47f6f5cedc
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
  25:     0x7f954bb1344b - <unknown>
  26:     0x7f954bb96e40 - <unknown>
  27:                0x0 - <unknown>

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: rustc 1.71.0 (8ede3aae2 2023-07-12) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread caused non-unwinding panic. aborting.

@AsumFace
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Is all that stuff actually necessary for you? This also reproduces the ICE (with multiple additional backtraces) for me:
[...]

You are right, it also reproduces with that. I'm surprised DustMite is failing to reduce that part, actually.

@RichoDemus
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Thanks for helping out with producing a more minimal example :)

@lqd
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lqd commented Jul 25, 2023

This is a duplicate of #111500 or #114049 and has already been fixed on nightly and beta by #111516. I’ve nominated that PR for a stable backport, in case there’s a point release.

@cgwalters cgwalters mentioned this issue Oct 3, 2023
Merged
@matthiaskrgr matthiaskrgr added the E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. label Apr 19, 2024
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C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. 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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@lqd @matthiaskrgr @RichoDemus @Xiretza @AsumFace @saethlin @rustbot