Closed
Description
Code
pub enum Value {
Float(Option<f64>),
}
fn main() {
let a = Value::Float(
0,
None,
0,
PrivateStruct(0),
0,
0,
None,
0,
None,
0,
);
}Meta
rustc --version --verbose:
rustc 1.72.0-nightly (43062c43d 2023-06-09)
binary: rustc
commit-hash: 43062c43d2a63cf4e261c6eddc417575c4f3062f
commit-date: 2023-06-09
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5
Error output
error[E0425]: cannot find function, tuple struct or tuple variant `PrivateStruct` in this scope
--> treereduce.out:10:9
|
10 | PrivateStruct(0),
| ^^^^^^^^^^^^^ not found in this scope
error[E0061]: this enum variant takes 1 argument but 10 arguments were supplied
--> treereduce.out:6:13
|
6 | let a = Value::Float(
| ^^^^^^^^^^^^
|
note: tuple variant defined here
--> treereduce.out:2:5
|
2 | Float(Option<f64>),
| ^^^^^
help: remove the extra arguments
|
7 ~ ,
8 ~ None0,
9 ~ None,
|
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0061, E0425.
For more information about an error, try `rustc --explain E0061`.
this looks wrong:
help: remove the extra arguments
|
7 ~ ,
8 ~ None0,
9 ~ None,
|
I guess it should be something like
0,
None,
0,
?
Backtrace
thread 'rustc' panicked at 'assertion failed: `(left == right)`
left: `Some([SubstitutionPart { span: treereduce.out:14:10: 16:9 (#0), snippet: "" }, SubstitutionPart { span: treereduce.out:15:13: 16:10 (#0), snippet: "" }])`,
right: `None`: suggestion must not have overlapping parts', /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:628:9
stack backtrace:
0: 0x7f2e10ef05f6 - trace
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7f2e10ef05f6 - trace_unsynchronized<std::sys_common::backtrace::_print_fmt::{closure_env#1}>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f2e10ef05f6 - _print_fmt
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7f2e10ef05f6 - fmt
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f2e10f3cf08 - fmt
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/rt.rs:138:9
5: 0x7f2e10f3cf08 - write
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1094:21
6: 0x7f2e10ea98cf - write_fmt<std::sys::unix::stdio::Stderr>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1713:15
7: 0x7f2e10ef03f5 - _print
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f2e10ef03f5 - print
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f2e10ec93ac - {closure#1}
10: 0x7f2e10ec9071 - default_hook
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:288:9
11: 0x7f2e1288d1cb - call<(&core::panic::panic_info::PanicInfo), (dyn core::ops::function::Fn<(&core::panic::panic_info::PanicInfo), Output=()> + core::marker::Send + core::marker::Sync), alloc::alloc::Global>
at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
12: 0x7f2e1288d1cb - {closure#0}
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:1281:13
13: 0x7f2e10ec9b95 - call<(&core::panic::panic_info::PanicInfo), (dyn core::ops::function::Fn<(&core::panic::panic_info::PanicInfo), Output=()> + core::marker::Send + core::marker::Sync), alloc::alloc::Global>
at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
14: 0x7f2e10ec9b95 - rust_panic_with_hook
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:709:13
15: 0x7f2e10ef0907 - {closure#0}
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:597:13
16: 0x7f2e10ef06d6 - __rust_end_short_backtrace<std::panicking::begin_panic_handler::{closure_env#0}, !>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:151:18
17: 0x7f2e10ec9702 - begin_panic_handler
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:593:5
18: 0x7f2e10e7e143 - panic_fmt
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:67:14
19: 0x7f2e10e7e6bb - assert_failed_inner
20: 0x7f2e117dbb19 - core[b962eb8751e8bda6]::panicking::assert_failed::<core[b962eb8751e8bda6]::option::Option<&[rustc_errors[b6f6d948a016dba6]::SubstitutionPart; 2usize]>, core[b962eb8751e8bda6]::option::Option<&[rustc_errors[b6f6d948a016dba6]::SubstitutionPart; 2usize]>>
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:228:5
21: 0x7f2e13085e0c - multipart_suggestion_with_style<alloc::string::String>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:628:9
22: 0x7f2e12e6a291 - multipart_suggestion<alloc::string::String>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic.rs:584:9
23: 0x7f2e12e6a291 - multipart_suggestion<rustc_span::ErrorGuaranteed, alloc::string::String>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_errors/src/diagnostic_builder.rs:466:35
24: 0x7f2e12e6a291 - report_arg_errors
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1214:17
25: 0x7f2e12e65af8 - check_argument_types
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:456:13
26: 0x7f2e12e25f34 - confirm_builtin_call
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/callee.rs:454:9
27: 0x7f2e12e246d2 - check_call
28: 0x7f2e12ebe982 - check_expr_kind
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:336:45
29: 0x7f2e12e3f945 - {closure#0}
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:240:18
30: 0x7f2e12e3f945 - maybe_grow<rustc_middle::ty::Ty, rustc_hir_typeck::expr::{impl#0}::check_expr_with_expectation_and_args::{closure_env#0}>
at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/stacker-0.1.15/src/lib.rs:55:9
31: 0x7f2e12e3f945 - ensure_sufficient_stack<rustc_middle::ty::Ty, rustc_hir_typeck::expr::{impl#0}::check_expr_with_expectation_and_args::{closure_env#0}>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
32: 0x7f2e12e3f945 - check_expr_with_expectation_and_args
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:236:18
33: 0x7f2e12ebd183 - check_expr_with_expectation
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:190:9
34: 0x7f2e12e6d99b - check_expr_with_hint
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:142:9
35: 0x7f2e12e6d99b - check_expr_coercible_to_type
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:132:18
36: 0x7f2e12e6d99b - check_decl_initializer
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1420:13
37: 0x7f2e12e6dbae - check_decl
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1431:27
38: 0x7f2e12e6dfd6 - check_decl_local
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1464:9
39: 0x7f2e12e6dfd6 - check_stmt
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1481:17
40: 0x7f2e12e6e747 - {closure#0}
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1553:17
41: 0x7f2e12e6e747 - with_breakable_ctxt<rustc_hir_typeck::fn_ctxt::checks::{impl#0}::check_block_with_expected::{closure_env#0}, ()>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs:1523:22
42: 0x7f2e12e6e747 - check_block_with_expected
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:1551:26
43: 0x7f2e12ebe5b2 - check_expr_kind
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:335:41
44: 0x7f2e12e3f945 - {closure#0}
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:240:18
45: 0x7f2e12e3f945 - maybe_grow<rustc_middle::ty::Ty, rustc_hir_typeck::expr::{impl#0}::check_expr_with_expectation_and_args::{closure_env#0}>
at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/stacker-0.1.15/src/lib.rs:55:9
46: 0x7f2e12e3f945 - ensure_sufficient_stack<rustc_middle::ty::Ty, rustc_hir_typeck::expr::{impl#0}::check_expr_with_expectation_and_args::{closure_env#0}>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:17:5
47: 0x7f2e12e3f945 - check_expr_with_expectation_and_args
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:236:18
48: 0x7f2e12ebd183 - check_expr_with_expectation
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:190:9
49: 0x7f2e12e416ef - check_expr_with_hint
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:142:9
50: 0x7f2e12e416ef - check_return_expr
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:830:30
51: 0x7f2e1305e03d - check_fn
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/check.rs:120:5
52: 0x7f2e12f1b924 - {closure#0}<rustc_hir_typeck::typeck::{closure_env#0}>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:215:9
53: 0x7f2e12f1b924 - typeck_with_fallback<rustc_hir_typeck::typeck::{closure_env#0}>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:175:36
54: 0x7f2e12f1b924 - typeck
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:157:5
55: 0x7f2e1452dffc - {closure#0}
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:577:33
56: 0x7f2e1452dffc - __rust_begin_short_backtrace<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure_env#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:506:18
57: 0x7f2e144f4d5c - {closure#2}
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:574:25
58: 0x7f2e144f4d5c - call_once<rustc_query_impl::query_impl::typeck::dynamic_query::{closure_env#2}, (rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
59: 0x7f2e14340b66 - compute<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:116:9
60: 0x7f2e14340b66 - {closure#0}<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>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:487:72
61: 0x7f2e14340b66 - {closure#0}<rustc_query_system::query::plumbing::execute_job_non_incr::{closure_env#0}<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>, rustc_middle::query::erase::Erased<[u8; 8]>>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:82:9
62: 0x7f2e14340b66 - try_with<core::cell::Cell<*const ()>, rustc_middle::ty::context::tls::enter_context::{closure_env#0}<rustc_query_system::query::plumbing::execute_job_non_incr::{closure_env#0}<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>, rustc_middle::query::erase::Erased<[u8; 8]>>, rustc_middle::query::erase::Erased<[u8; 8]>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:270:16
63: 0x7f2e14340b66 - with<core::cell::Cell<*const ()>, rustc_middle::ty::context::tls::enter_context::{closure_env#0}<rustc_query_system::query::plumbing::execute_job_non_incr::{closure_env#0}<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>, rustc_middle::query::erase::Erased<[u8; 8]>>, rustc_middle::query::erase::Erased<[u8; 8]>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:246:9
64: 0x7f2e14340b66 - enter_context<rustc_query_system::query::plumbing::execute_job_non_incr::{closure_env#0}<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>, rustc_middle::query::erase::Erased<[u8; 8]>>
at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:9
65: 0x7f2e14340b66 - {closure#0}<rustc_middle::query::erase::Erased<[u8; 8]>, rustc_query_system::query::plumbing::execute_job_non_incr::{closure_env#0}<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>>
......
160: 0x7f2e128a0865 - {closure#0}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:529:17
161: 0x7f2e128a0865 - call_once<core::result::Result<(), rustc_span::ErrorGuaranteed>, std::thread::{impl#0}::spawn_unchecked_::{closure#1}::{closure_env#0}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>>
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9
162: 0x7f2e128a0865 - do_call<core::panic::unwind_safe::AssertUnwindSafe<std::thread::{impl#0}::spawn_unchecked_::{closure#1}::{closure_env#0}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:500:40
163: 0x7f2e128a0865 - try<core::result::Result<(), rustc_span::ErrorGuaranteed>, core::panic::unwind_safe::AssertUnwindSafe<std::thread::{impl#0}::spawn_unchecked_::{closure#1}::{closure_env#0}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:464:19
164: 0x7f2e128a0865 - catch_unwind<core::panic::unwind_safe::AssertUnwindSafe<std::thread::{impl#0}::spawn_unchecked_::{closure#1}::{closure_env#0}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:142:14
165: 0x7f2e128a0865 - {closure#1}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:528:30
166: 0x7f2e128a0865 - call_once<std::thread::{impl#0}::spawn_unchecked_::{closure_env#1}<rustc_interface::util::run_in_thread_pool_with_globals::{closure#0}::{closure_env#0}<rustc_interface::interface::run_compiler::{closure_env#0}<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure_env#1}>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, core::result::Result<(), rustc_span::ErrorGuaranteed>>, ()>
at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
167: 0x7f2e10e9cf5a - call_once<(), dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>
at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
168: 0x7f2e10e9cf5a - call_once<(), alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output=()>, alloc::alloc::Global>, alloc::alloc::Global>
at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
169: 0x7f2e10ea5ba5 - thread_start
at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17
170: 0x7f2e10ca344b - <unknown>
171: 0x7f2e10d26e40 - <unknown>
172: 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 1.72.0-dev running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `main`
#1 [used_trait_imports] finding used_trait_imports `main`
#2 [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 E0425`.
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Area: Messages for errors, warnings, and lintsCategory: This is a bug.Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Relevant to the compiler team, which will review and decide on the PR/issue.This issue requires a build of rustc or tooling with debug-assertions in some way