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ICE: index out of bounds: the len is 2 but the index is 2 #117209

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hw0lff opened this issue Oct 26, 2023 · 1 comment · Fixed by #117246
Closed

ICE: index out of bounds: the len is 2 but the index is 2 #117209

hw0lff opened this issue Oct 26, 2023 · 1 comment · Fixed by #117246
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@estebank
Labels
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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@hw0lff
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hw0lff commented Oct 26, 2023

Code

use std::collections::HashMap;
use std::hash::Hash;

trait LowT: Identify {}

trait Identify {
    type Id: Clone + Hash + PartialEq + Eq;
    fn identify(&self) -> Self::Id;
}

struct MapStore<L, I>
where
    L: LowT + Identify<Id = I>,
{
    lows: HashMap<I, L>,
}

impl<L, I> MapStore<L, I>
where
    L: LowT + Identify<Id = I>,
    I: Clone + Hash + PartialEq + Eq,
{
    fn remove_low(&mut self, low: &impl LowT) {
        let _low = self.lows.remove(low.identify()).unwrap();
    }
}

Executed command

rustc +nightly-2023-10-24-x86_64-unknown-linux-gnu --crate-type lib mve.rs

Meta

rustc --version --verbose:

rustc 1.75.0-nightly (cd674d617 2023-10-24)
binary: rustc
commit-hash: cd674d61790607dfb6faa9d754bd3adfa13aea7c
commit-date: 2023-10-24
host: x86_64-unknown-linux-gnu
release: 1.75.0-nightly
LLVM version: 17.0.3

Error output

thread 'rustc' panicked at compiler/rustc_middle/src/ty/generics.rs:233:25:
index out of bounds: the len is 2 but the index is 2
stack backtrace:
   0:     0x7f44e816917c - std::backtrace_rs::backtrace::libunwind::trace::h7bce2d1c017b407e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f44e816917c - std::backtrace_rs::backtrace::trace_unsynchronized::h55ba654239184904
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f44e816917c - std::sys_common::backtrace::_print_fmt::h3ea3555f96c73e0c
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7f44e816917c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h146a50ffccbc77e1
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f44e81cb400 - core::fmt::rt::Argument::fmt::haa20c5eab981f919
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/fmt/rt.rs:142:9
   5:     0x7f44e81cb400 - core::fmt::write::h09f4c19b93ee31d0
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/fmt/mod.rs:1117:17
   6:     0x7f44e815d09f - std::io::Write::write_fmt::h3ed8d223e2f5f8c7
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/io/mod.rs:1762:15
   7:     0x7f44e8168f64 - std::sys_common::backtrace::_print::hbce9214e75b3c008
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f44e8168f64 - std::sys_common::backtrace::print::ha135181f946a9965
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f44e816bbf7 - std::panicking::default_hook::{{closure}}::h848bb1d6992f4e40
  10:     0x7f44e816b95f - std::panicking::default_hook::h32ba10667577a9f0
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:292:9
  11:     0x7f44eacbe770 - std[3e12a1aaf923ebba]::panicking::update_hook::<alloc[24e94c6c997ff992]::boxed::Box<rustc_driver_impl[e640377bb3e0eec1]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f44e816c338 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02c0533e694d267b
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2021:9
  13:     0x7f44e816c338 - std::panicking::rust_panic_with_hook::hcba6804c3ef73408
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:735:13
  14:     0x7f44e816c08e - std::panicking::begin_panic_handler::{{closure}}::hc6a5671dd9cedf35
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:609:13
  15:     0x7f44e8169646 - std::sys_common::backtrace::__rust_end_short_backtrace::hb1f91cd088c3276f
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:170:18
  16:     0x7f44e816bdf2 - rust_begin_unwind
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:597:5
  17:     0x7f44e81c7b25 - core::panicking::panic_fmt::h72d86cf16822315b
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:72:14
  18:     0x7f44e81c7d42 - core::panicking::panic_bounds_check::h479c4c4d8bdf8a87
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:190:5
  19:     0x7f44ed134b10 - <rustc_middle[1315509b21ac545f]::ty::generics::Generics>::type_param.cold.0
  20:     0x7f44eaf1745e - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::suggest_constraint::<&<rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_and_explain_type_err::{closure#6}>
  21:     0x7f44eaf17b77 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::suggest_constraint::<&<rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_and_explain_type_err::{closure#6}>
  22:     0x7f44eaf15724 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_and_explain_type_err
  23:     0x7f44eaf5bed1 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_type_err
  24:     0x7f44eaf31ea8 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::report_and_explain_type_error
  25:     0x7f44eae656d5 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::report_arg_errors
  26:     0x7f44ec7bab35 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_argument_types
  27:     0x7f44ec89287c - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  28:     0x7f44ec8922a5 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  29:     0x7f44ec3721f1 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_decl
  30:     0x7f44ec36fc1a - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_block_with_expected
  31:     0x7f44ec892263 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  32:     0x7f44ec6329d2 - rustc_hir_typeck[37b671e90ff2c382]::check::check_fn
  33:     0x7f44ec0e9de6 - rustc_hir_typeck[37b671e90ff2c382]::typeck
  34:     0x7f44ec0e927d - rustc_query_impl[908b9bd8c7a24ee6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[908b9bd8c7a24ee6]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 8usize]>>
  35:     0x7f44ebf4582c - rustc_query_system[86e76f7375bc9374]::query::plumbing::try_execute_query::<rustc_query_impl[908b9bd8c7a24ee6]::DynamicConfig<rustc_query_system[86e76f7375bc9374]::query::caches::VecCache<rustc_span[644891a9fc144be9]::def_id::LocalDefId, rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[908b9bd8c7a24ee6]::plumbing::QueryCtxt, false>
  36:     0x7f44ebf45510 - rustc_query_impl[908b9bd8c7a24ee6]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  37:     0x7f44ec2091f2 - rustc_hir_analysis[a2e6bea767eb7f54]::check_crate
  38:     0x7f44ec44c29f - rustc_interface[3ed30a2b320926ec]::passes::analysis
  39:     0x7f44ec44bca1 - rustc_query_impl[908b9bd8c7a24ee6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[908b9bd8c7a24ee6]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 1usize]>>
  40:     0x7f44ec914726 - rustc_query_system[86e76f7375bc9374]::query::plumbing::try_execute_query::<rustc_query_impl[908b9bd8c7a24ee6]::DynamicConfig<rustc_query_system[86e76f7375bc9374]::query::caches::SingleCache<rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[908b9bd8c7a24ee6]::plumbing::QueryCtxt, false>
  41:     0x7f44ec914555 - rustc_query_impl[908b9bd8c7a24ee6]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  42:     0x7f44ecb0f00d - std[3e12a1aaf923ebba]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3ed30a2b320926ec]::util::run_in_thread_with_globals<rustc_interface[3ed30a2b320926ec]::interface::run_compiler<core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>, rustc_driver_impl[e640377bb3e0eec1]::run_compiler::{closure#1}>::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>
  43:     0x7f44ecb0e2f3 - <<std[3e12a1aaf923ebba]::thread::Builder>::spawn_unchecked_<rustc_interface[3ed30a2b320926ec]::util::run_in_thread_with_globals<rustc_interface[3ed30a2b320926ec]::interface::run_compiler<core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>, rustc_driver_impl[e640377bb3e0eec1]::run_compiler::{closure#1}>::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#1} as core[1f7dd8185696d514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  44:     0x7f44e8177105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97fb79c1bb86e864
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  45:     0x7f44e8177105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc948a15aaf1aa99f
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  46:     0x7f44e8177105 - std::sys::unix::thread::Thread::new::thread_start::h346c5d92e5cdd54a
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys/unix/thread.rs:108:17
  47:     0x7f44e7f409eb - <unknown>
  48:     0x7f44e7fc47cc - <unknown>
  49:                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: please attach the file at `/home/hendrik/code/rust/rust-ice/rustc-ice-2023-10-26T08_50_02-149603.txt` to your bug report

note: compiler flags: --crate-type lib

query stack during panic:
#0 [typeck] type-checking `<impl at mve.rs:18:1: 21:38>::remove_low`
#1 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: no errors reported for args
  --> mve.rs:24:30
   |
24 |         let _low = self.lows.remove(low.identify()).unwrap();
   |                              ^^^^^^
   |
note: delayed at compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:525:22
         0: <rustc_errors::HandlerInner>::emit_diagnostic
         1: <rustc_session::session::Session>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
         2: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_arg_errors
         3: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
         4: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
         5: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
         6: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_decl
         7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
         8: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
         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_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, false>
        13: rustc_query_impl::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
        14: rustc_hir_analysis::check_crate
        15: rustc_interface::passes::analysis
        16: 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]>>
        17: 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, false>
        18: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
        19: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_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>>
        20: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_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}
        21: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                   at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
        22: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                   at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
        23: std::sys::unix::thread::Thread::new::thread_start
                   at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys/unix/thread.rs:108:17
        24: <unknown>
        25: <unknown>
  --> mve.rs:24:30
   |
24 |         let _low = self.lows.remove(low.identify()).unwrap();
   |                              ^^^^^^

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 `/home/hendrik/code/rust/rust-ice/rustc-ice-2023-10-26T08_50_02-149603.txt` to your bug report

note: compiler flags: --crate-type lib

query stack during panic:
end of query stack
thread 'rustc' panicked at library/core/src/panicking.rs:144:5:
panic in a destructor during cleanup

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 `/home/hendrik/code/rust/rust-ice/rustc-ice-2023-10-26T08_50_02-149603.txt` to your bug report

note: compiler flags: --crate-type lib

query stack during panic:
end of query stack
thread caused non-unwinding panic. aborting.
[1]    149603 IOT instruction (core dumped)  rustc +nightly-2023-10-24-x86_64-unknown-linux-gnu --crate-type lib mve.rs
Backtrace 

thread 'rustc' panicked at compiler/rustc_middle/src/ty/generics.rs:233:25:
index out of bounds: the len is 2 but the index is 2
stack backtrace:
   0:     0x7f44e81511d1 - std::backtrace_rs::backtrace::libunwind::trace::h7bce2d1c017b407e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f44e81511d1 - std::backtrace_rs::backtrace::trace_unsynchronized::h3269cc4358dc457e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f44e81511d1 - std::backtrace::Backtrace::create::h382850bf22e6288e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/backtrace.rs:331:13
   3:     0x7f44e8151120 - std::backtrace::Backtrace::force_capture::he4ef61a5971363bd
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/backtrace.rs:313:9
   4:     0x7f44eacbe8ac - std[3e12a1aaf923ebba]::panicking::update_hook::<alloc[24e94c6c997ff992]::boxed::Box<rustc_driver_impl[e640377bb3e0eec1]::install_ice_hook::{closure#0}>>::{closure#0}
   5:     0x7f44e816c338 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02c0533e694d267b
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2021:9
   6:     0x7f44e816c338 - std::panicking::rust_panic_with_hook::hcba6804c3ef73408
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:735:13
   7:     0x7f44e816c08e - std::panicking::begin_panic_handler::{{closure}}::hc6a5671dd9cedf35
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:609:13
   8:     0x7f44e8169646 - std::sys_common::backtrace::__rust_end_short_backtrace::hb1f91cd088c3276f
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:170:18
   9:     0x7f44e816bdf2 - rust_begin_unwind
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:597:5
  10:     0x7f44e81c7b25 - core::panicking::panic_fmt::h72d86cf16822315b
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:72:14
  11:     0x7f44e81c7d42 - core::panicking::panic_bounds_check::h479c4c4d8bdf8a87
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:190:5
  12:     0x7f44ed134b10 - <rustc_middle[1315509b21ac545f]::ty::generics::Generics>::type_param.cold.0
  13:     0x7f44eaf1745e - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::suggest_constraint::<&<rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_and_explain_type_err::{closure#6}>
  14:     0x7f44eaf17b77 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::suggest_constraint::<&<rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_and_explain_type_err::{closure#6}>
  15:     0x7f44eaf15724 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_and_explain_type_err
  16:     0x7f44eaf5bed1 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::note_type_err
  17:     0x7f44eaf31ea8 - <rustc_infer[350baa5682eb376b]::infer::error_reporting::TypeErrCtxt>::report_and_explain_type_error
  18:     0x7f44eae656d5 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::report_arg_errors
  19:     0x7f44ec7bab35 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_argument_types
  20:     0x7f44ec89287c - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  21:     0x7f44ec8922a5 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  22:     0x7f44ec3721f1 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_decl
  23:     0x7f44ec36fc1a - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_block_with_expected
  24:     0x7f44ec892263 - <rustc_hir_typeck[37b671e90ff2c382]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  25:     0x7f44ec6329d2 - rustc_hir_typeck[37b671e90ff2c382]::check::check_fn
  26:     0x7f44ec0e9de6 - rustc_hir_typeck[37b671e90ff2c382]::typeck
  27:     0x7f44ec0e927d - rustc_query_impl[908b9bd8c7a24ee6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[908b9bd8c7a24ee6]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 8usize]>>
  28:     0x7f44ebf4582c - rustc_query_system[86e76f7375bc9374]::query::plumbing::try_execute_query::<rustc_query_impl[908b9bd8c7a24ee6]::DynamicConfig<rustc_query_system[86e76f7375bc9374]::query::caches::VecCache<rustc_span[644891a9fc144be9]::def_id::LocalDefId, rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[908b9bd8c7a24ee6]::plumbing::QueryCtxt, false>
  29:     0x7f44ebf45510 - rustc_query_impl[908b9bd8c7a24ee6]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  30:     0x7f44ec2091f2 - rustc_hir_analysis[a2e6bea767eb7f54]::check_crate
  31:     0x7f44ec44c29f - rustc_interface[3ed30a2b320926ec]::passes::analysis
  32:     0x7f44ec44bca1 - rustc_query_impl[908b9bd8c7a24ee6]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[908b9bd8c7a24ee6]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 1usize]>>
  33:     0x7f44ec914726 - rustc_query_system[86e76f7375bc9374]::query::plumbing::try_execute_query::<rustc_query_impl[908b9bd8c7a24ee6]::DynamicConfig<rustc_query_system[86e76f7375bc9374]::query::caches::SingleCache<rustc_middle[1315509b21ac545f]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[908b9bd8c7a24ee6]::plumbing::QueryCtxt, false>
  34:     0x7f44ec914555 - rustc_query_impl[908b9bd8c7a24ee6]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  35:     0x7f44ecb0f00d - std[3e12a1aaf923ebba]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3ed30a2b320926ec]::util::run_in_thread_with_globals<rustc_interface[3ed30a2b320926ec]::interface::run_compiler<core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>, rustc_driver_impl[e640377bb3e0eec1]::run_compiler::{closure#1}>::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>
  36:     0x7f44ecb0e2f3 - <<std[3e12a1aaf923ebba]::thread::Builder>::spawn_unchecked_<rustc_interface[3ed30a2b320926ec]::util::run_in_thread_with_globals<rustc_interface[3ed30a2b320926ec]::interface::run_compiler<core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>, rustc_driver_impl[e640377bb3e0eec1]::run_compiler::{closure#1}>::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#1} as core[1f7dd8185696d514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  37:     0x7f44e8177105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97fb79c1bb86e864
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  38:     0x7f44e8177105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc948a15aaf1aa99f
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  39:     0x7f44e8177105 - std::sys::unix::thread::Thread::new::thread_start::h346c5d92e5cdd54a
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys/unix/thread.rs:108:17
  40:     0x7f44e7f409eb - <unknown>
  41:     0x7f44e7fc47cc - <unknown>
  42:                0x0 - <unknown>


rustc version: 1.75.0-nightly (cd674d617 2023-10-24)
platform: x86_64-unknown-linux-gnu

query stack during panic:
#0 [typeck] type-checking `<impl at mve.rs:18:1: 21:38>::remove_low`
#1 [analysis] running analysis passes on this crate
end of query stack
delayed span bug: no errors reported for args
   0: <rustc_errors::HandlerInner>::emit_diagnostic
   1: <rustc_session::session::Session>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
   2: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_arg_errors
   3: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
   4: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
   5: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
   6: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_decl
   7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
   8: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
   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_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, false>
  13: rustc_query_impl::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  14: rustc_hir_analysis::check_crate
  15: rustc_interface::passes::analysis
  16: 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]>>
  17: 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, false>
  18: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  19: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_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>>
  20: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_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}
  21: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
             at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  22: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
             at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  23: std::sys::unix::thread::Thread::new::thread_start
             at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys/unix/thread.rs:108:17
  24: <unknown>
  25: <unknown>

thread 'rustc' panicked at library/core/src/panicking.rs:144:5:
panic in a destructor during cleanup
stack backtrace:
   0:     0x7f44e81511d1 - std::backtrace_rs::backtrace::libunwind::trace::h7bce2d1c017b407e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f44e81511d1 - std::backtrace_rs::backtrace::trace_unsynchronized::h3269cc4358dc457e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f44e81511d1 - std::backtrace::Backtrace::create::h382850bf22e6288e
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/backtrace.rs:331:13
   3:     0x7f44e8151120 - std::backtrace::Backtrace::force_capture::he4ef61a5971363bd
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/backtrace.rs:313:9
   4:     0x7f44eacbe8ac - std[3e12a1aaf923ebba]::panicking::update_hook::<alloc[24e94c6c997ff992]::boxed::Box<rustc_driver_impl[e640377bb3e0eec1]::install_ice_hook::{closure#0}>>::{closure#0}
   5:     0x7f44e816c338 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02c0533e694d267b
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2021:9
   6:     0x7f44e816c338 - std::panicking::rust_panic_with_hook::hcba6804c3ef73408
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:735:13
   7:     0x7f44e816c059 - std::panicking::begin_panic_handler::{{closure}}::hc6a5671dd9cedf35
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:601:13
   8:     0x7f44e8169646 - std::sys_common::backtrace::__rust_end_short_backtrace::hb1f91cd088c3276f
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys_common/backtrace.rs:170:18
   9:     0x7f44e816bdf2 - rust_begin_unwind
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/panicking.rs:597:5
  10:     0x7f44e81c7b68 - core::panicking::panic_nounwind_fmt::ha053acf6fac3d2de
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:106:14
  11:     0x7f44e81c7c6c - core::panicking::panic_nounwind_nobacktrace::hea69e5a3f0569c51
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:144:5
  12:     0x7f44e81c7e73 - core::panicking::panic_in_cleanup::h234e683725602ebf
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/core/src/panicking.rs:238:5
  13:     0x7f44ecb1025b - std[3e12a1aaf923ebba]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3ed30a2b320926ec]::util::run_in_thread_with_globals<rustc_interface[3ed30a2b320926ec]::interface::run_compiler<core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>, rustc_driver_impl[e640377bb3e0eec1]::run_compiler::{closure#1}>::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>
  14:     0x7f44ecb0e2f3 - <<std[3e12a1aaf923ebba]::thread::Builder>::spawn_unchecked_<rustc_interface[3ed30a2b320926ec]::util::run_in_thread_with_globals<rustc_interface[3ed30a2b320926ec]::interface::run_compiler<core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>, rustc_driver_impl[e640377bb3e0eec1]::run_compiler::{closure#1}>::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[1f7dd8185696d514]::result::Result<(), rustc_span[644891a9fc144be9]::ErrorGuaranteed>>::{closure#1} as core[1f7dd8185696d514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  15:     0x7f44e8177105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97fb79c1bb86e864
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  16:     0x7f44e8177105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc948a15aaf1aa99f
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/alloc/src/boxed.rs:2007:9
  17:     0x7f44e8177105 - std::sys::unix::thread::Thread::new::thread_start::h346c5d92e5cdd54a
                               at /rustc/cd674d61790607dfb6faa9d754bd3adfa13aea7c/library/std/src/sys/unix/thread.rs:108:17
  18:     0x7f44e7f409eb - <unknown>
  19:     0x7f44e7fc47cc - <unknown>
  20:                0x0 - <unknown>

@hw0lff hw0lff 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 Oct 26, 2023
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Oct 26, 2023
@hw0lff hw0lff changed the title rustc panics on index out of bounds during type checking ICE: index out of bounds: the len is 2 but the index is 2 Oct 26, 2023
@lqd
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lqd commented Oct 26, 2023

I believe that's caused by #116865 cc @estebank

@estebank estebank self-assigned this Oct 26, 2023
@estebank estebank mentioned this issue Oct 26, 2023
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Oct 27, 2023
@matthiaskrgr
Rollup merge of rust-lang#117246 - estebank:issue-117209, r=petrochenkov
a77f743 
Fix ICE: Restrict param constraint suggestion

When encountering an associated item with a type param that could be constrained, do not look at the parent item if the type param comes from the associated item.

Fix rust-lang#117209, fix rust-lang#89868.
@bors bors closed this as completed in 3bbc70a Oct 27, 2023
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Oct 27, 2023
@rust-timer
Unrolled build for rust-lang#117246
57e2e4f 
Rollup merge of rust-lang#117246 - estebank:issue-117209, r=petrochenkov

Fix ICE: Restrict param constraint suggestion

When encountering an associated item with a type param that could be constrained, do not look at the parent item if the type param comes from the associated item.

Fix rust-lang#117209, fix rust-lang#89868.
@fmease fmease removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Oct 28, 2023
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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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Fix ICE: Restrict param constraint suggestion estebank/rust
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@lqd @estebank @fmease @rustbot @hw0lff