ICE; `tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension` #125770

matthiaskrgr · 2024-05-30T13:28:07Z

snippet:

#![feature(generic_const_exprs)]

use std::ops::Add;

pub struct Dimension;

pub struct Quantity<S, const D: Dimension>(S);

impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {}

pub fn add<const U: Dimension>(x: Quantity<f32, U>) -> Quantity<f32, U> {
    x + y
}

Version information

rustc 1.80.0-nightly (32a3ed229 2024-05-30)
binary: rustc
commit-hash: 32a3ed229caaaa6476ee1b0e644dd53579454536
commit-date: 2024-05-30
host: x86_64-unknown-linux-gnu
release: 1.80.0-nightly
LLVM version: 18.1.6

Command:
/home/matthias/.rustup/toolchains/master/bin/rustc

Program output

error[E0425]: cannot find value `y` in this scope
  --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:12:9
   |
11 | pub fn add<const U: Dimension>(x: Quantity<f32, U>) -> Quantity<f32, U> {
   |                  - similarly named const parameter `U` defined here
12 |     x + y
   |         ^ help: a const parameter with a similar name exists: `U`

warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
 --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:1:12
  |
1 | #![feature(generic_const_exprs)]
  |            ^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
  = note: `#[warn(incomplete_features)]` on by default

error[E0601]: `main` function not found in crate `mvce`
  --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:13:2
   |
13 | }
   |  ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs`

error: `Dimension` is forbidden as the type of a const generic parameter
 --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:7:33
  |
7 | pub struct Quantity<S, const D: Dimension>(S);
  |                                 ^^^^^^^^^
  |
  = note: the only supported types are integers, `bool` and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
  |
3 + #![feature(adt_const_params)]
  |

error[E0107]: trait takes at most 1 generic argument but 2 generic arguments were supplied
  --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:9:36
   |
9  | impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {}
   |                                    ^^^ expected at most 1 generic argument
   |
note: trait defined here, with at most 1 generic parameter: `Rhs`
  --> /home/matthias/.rustup/toolchains/master/lib/rustlib/src/rust/library/core/src/ops/arith.rs:77:11
   |
77 | pub trait Add<Rhs = Self> {
   |           ^^^ ----------

error[E0207]: the type parameter `RHS` is not constrained by the impl trait, self type, or predicates
 --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:9:31
  |
9 | impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {}
  |                               ^^^ unconstrained type parameter

error: `Dimension` is forbidden as the type of a const generic parameter
 --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:9:15
  |
9 | impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {}
  |               ^^^^^^^^^
  |
  = note: the only supported types are integers, `bool` and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
  |
3 + #![feature(adt_const_params)]
  |

error: `Dimension` is forbidden as the type of a const generic parameter
  --> /tmp/icemaker_global_tempdir.BQRYoTH66DXv/rustc_testrunner_tmpdir_reporting.rRbz9telcPFa/mvce.rs:11:21
   |
11 | pub fn add<const U: Dimension>(x: Quantity<f32, U>) -> Quantity<f32, U> {
   |                     ^^^^^^^^^
   |
   = note: the only supported types are integers, `bool` and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
   |
3  + #![feature(adt_const_params)]
   |

error: internal compiler error: compiler/rustc_infer/src/infer/relate/combine.rs:198:17: tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension

thread 'rustc' panicked at compiler/rustc_infer/src/infer/relate/combine.rs:198:17:
Box<dyn Any>
stack backtrace:
   0:     0x70fab7fb9cc5 - std::backtrace_rs::backtrace::libunwind::trace::h678682a49ad9b996
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
   1:     0x70fab7fb9cc5 - std::backtrace_rs::backtrace::trace_unsynchronized::hee6fa95bb2553111
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x70fab7fb9cc5 - std::sys_common::backtrace::_print_fmt::h95e0b5b079a7d050
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x70fab7fb9cc5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5ef0519e3348f4b3
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x70fab800a6bb - core::fmt::rt::Argument::fmt::h351d794db9ebf8d4
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/core/src/fmt/rt.rs:165:63
   5:     0x70fab800a6bb - core::fmt::write::hf6a10f4e291514d0
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/core/src/fmt/mod.rs:1168:21
   6:     0x70fab7fae99f - std::io::Write::write_fmt::h3774e539b39c6176
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/io/mod.rs:1835:15
   7:     0x70fab7fb9a9e - std::sys_common::backtrace::_print::h0766b9d4e4e1a2a5
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x70fab7fb9a9e - std::sys_common::backtrace::print::hf85a15b68fc127ec
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x70fab7fbc4d9 - std::panicking::default_hook::{{closure}}::hba9aa02e8bae00f0
  10:     0x70fab7fbc27a - std::panicking::default_hook::h1795c37d9b50a345
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/panicking.rs:298:9
  11:     0x70fab4740d00 - std[fbc7945dfe4e847c]::panicking::update_hook::<alloc[648a2435367f9e21]::boxed::Box<rustc_driver_impl[4c120566f3914dcc]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x70fab7fbcc0b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb26c638276518655
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/alloc/src/boxed.rs:2077:9
  13:     0x70fab7fbcc0b - std::panicking::rust_panic_with_hook::h9450536fa6827029
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/panicking.rs:799:13
  14:     0x70fab4770de4 - std[fbc7945dfe4e847c]::panicking::begin_panic::<rustc_errors[29c2300d656916ab]::ExplicitBug>::{closure#0}
  15:     0x70fab476d9e6 - std[fbc7945dfe4e847c]::sys_common::backtrace::__rust_end_short_backtrace::<std[fbc7945dfe4e847c]::panicking::begin_panic<rustc_errors[29c2300d656916ab]::ExplicitBug>::{closure#0}, !>
  16:     0x70fab476d6c6 - std[fbc7945dfe4e847c]::panicking::begin_panic::<rustc_errors[29c2300d656916ab]::ExplicitBug>
  17:     0x70fab477a261 - <rustc_errors[29c2300d656916ab]::diagnostic::BugAbort as rustc_errors[29c2300d656916ab]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
  18:     0x70fab4c6827c - rustc_middle[be94168a967605d5]::util::bug::opt_span_bug_fmt::<rustc_span[41e37a1bb73e38bc]::span_encoding::Span>::{closure#0}
  19:     0x70fab4c4ad7a - rustc_middle[be94168a967605d5]::ty::context::tls::with_opt::<rustc_middle[be94168a967605d5]::util::bug::opt_span_bug_fmt<rustc_span[41e37a1bb73e38bc]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  20:     0x70fab4c4ac1b - rustc_middle[be94168a967605d5]::ty::context::tls::with_context_opt::<rustc_middle[be94168a967605d5]::ty::context::tls::with_opt<rustc_middle[be94168a967605d5]::util::bug::opt_span_bug_fmt<rustc_span[41e37a1bb73e38bc]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  21:     0x70fab2f8e150 - rustc_middle[be94168a967605d5]::util::bug::bug_fmt
  22:     0x70fab5c99f78 - <rustc_infer[94dcf74a7bd108a5]::infer::InferCtxt>::super_combine_consts::<rustc_infer[94dcf74a7bd108a5]::infer::relate::type_relating::TypeRelating>
  23:     0x70fab6501611 - <rustc_trait_selection[294db240007bd44b]::traits::select::SelectionContext>::match_impl::{closure#0}
  24:     0x70fab28f7e71 - <rustc_trait_selection[294db240007bd44b]::traits::select::SelectionContext>::candidate_from_obligation_no_cache
  25:     0x70fab291fc30 - <rustc_trait_selection[294db240007bd44b]::traits::select::SelectionContext>::candidate_from_obligation
  26:     0x70fab5ffda6d - <rustc_trait_selection[294db240007bd44b]::traits::select::SelectionContext>::evaluate_trait_predicate_recursively
  27:     0x70fab5ff56c1 - <rustc_trait_selection[294db240007bd44b]::traits::select::SelectionContext>::evaluate_root_obligation
  28:     0x70fab5ff3c93 - rustc_traits[4cf73b45282ec2ed]::evaluate_obligation::evaluate_obligation
  29:     0x70fab5ff3629 - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[c0e0181520bdf354]::query_impl::evaluate_obligation::dynamic_query::{closure#2}::{closure#0}, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 2usize]>>
  30:     0x70fab5ff2b92 - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::<rustc_query_impl[c0e0181520bdf354]::DynamicConfig<rustc_query_system[a635211d769013fd]::query::caches::DefaultCache<rustc_type_ir[ed60f3cda1f7a2f8]::canonical::Canonical<rustc_middle[be94168a967605d5]::ty::context::TyCtxt, rustc_middle[be94168a967605d5]::ty::ParamEnvAnd<rustc_middle[be94168a967605d5]::ty::predicate::Predicate>>, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 2usize]>>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false>
  31:     0x70fab5ff27e4 - rustc_query_impl[c0e0181520bdf354]::query_impl::evaluate_obligation::get_query_non_incr::__rust_end_short_backtrace
  32:     0x70fab375b114 - <rustc_infer[94dcf74a7bd108a5]::infer::InferCtxt as rustc_trait_selection[294db240007bd44b]::traits::query::evaluate_obligation::InferCtxtExt>::predicate_may_hold
  33:     0x70fab63b1705 - <rustc_hir_typeck[27bfc99261d6777a]::fn_ctxt::FnCtxt>::lookup_method_in_trait
  34:     0x70fab5c4767a - <rustc_hir_typeck[27bfc99261d6777a]::fn_ctxt::FnCtxt>::check_overloaded_binop
  35:     0x70fab65eb93f - <rustc_hir_typeck[27bfc99261d6777a]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  36:     0x70fab65e58ce - <rustc_hir_typeck[27bfc99261d6777a]::fn_ctxt::FnCtxt>::check_block_with_expected
  37:     0x70fab65ea937 - <rustc_hir_typeck[27bfc99261d6777a]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  38:     0x70fab5f9e0d4 - rustc_hir_typeck[27bfc99261d6777a]::check::check_fn
  39:     0x70fab5f9386c - rustc_hir_typeck[27bfc99261d6777a]::typeck
  40:     0x70fab5f932d1 - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[c0e0181520bdf354]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 8usize]>>
  41:     0x70fab5e5a86e - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::<rustc_query_impl[c0e0181520bdf354]::DynamicConfig<rustc_query_system[a635211d769013fd]::query::caches::VecCache<rustc_span[41e37a1bb73e38bc]::def_id::LocalDefId, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false>
  42:     0x70fab5e59395 - rustc_query_impl[c0e0181520bdf354]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  43:     0x70fab5e58fcb - <rustc_middle[be94168a967605d5]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[9feabfd3ed563fae]::check_crate::{closure#4}>::{closure#0}
  44:     0x70fab5e57a8b - rustc_hir_analysis[9feabfd3ed563fae]::check_crate
  45:     0x70fab66275fe - rustc_interface[c870be2efde3492c]::passes::analysis
  46:     0x70fab662715b - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[c0e0181520bdf354]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 1usize]>>
  47:     0x70fab698f725 - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::<rustc_query_impl[c0e0181520bdf354]::DynamicConfig<rustc_query_system[a635211d769013fd]::query::caches::SingleCache<rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false>
  48:     0x70fab698f48f - rustc_query_impl[c0e0181520bdf354]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  49:     0x70fab682120e - rustc_interface[c870be2efde3492c]::interface::run_compiler::<core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>, rustc_driver_impl[4c120566f3914dcc]::run_compiler::{closure#0}>::{closure#1}
  50:     0x70fab67e23c9 - std[fbc7945dfe4e847c]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c870be2efde3492c]::util::run_in_thread_with_globals<rustc_interface[c870be2efde3492c]::util::run_in_thread_pool_with_globals<rustc_interface[c870be2efde3492c]::interface::run_compiler<core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>, rustc_driver_impl[4c120566f3914dcc]::run_compiler::{closure#0}>::{closure#1}, core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>>::{closure#0}, core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>>
  51:     0x70fab67e2172 - <<std[fbc7945dfe4e847c]::thread::Builder>::spawn_unchecked_<rustc_interface[c870be2efde3492c]::util::run_in_thread_with_globals<rustc_interface[c870be2efde3492c]::util::run_in_thread_pool_with_globals<rustc_interface[c870be2efde3492c]::interface::run_compiler<core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>, rustc_driver_impl[4c120566f3914dcc]::run_compiler::{closure#0}>::{closure#1}, core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>>::{closure#0}, core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[6d46e2ae36dee942]::result::Result<(), rustc_span[41e37a1bb73e38bc]::ErrorGuaranteed>>::{closure#2} as core[6d46e2ae36dee942]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  52:     0x70fab7fc6bfb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d22407a994a8dd7
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/alloc/src/boxed.rs:2063:9
  53:     0x70fab7fc6bfb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he08091f4f7e587cf
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/alloc/src/boxed.rs:2063:9
  54:     0x70fab7fc6bfb - std::sys::pal::unix::thread::Thread::new::thread_start::h4ffcec4576023b2b
                               at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys/pal/unix/thread.rs:108:17
  55:     0x70fab14aa1cf - <unknown>
  56:     0x70fab152b6ec - <unknown>
  57:                0x0 - <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: please make sure that you have updated to the latest nightly

note: rustc 1.80.0-nightly (32a3ed229 2024-05-30) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [evaluate_obligation] evaluating trait selection obligation `Quantity<f32, U>: ~const core::ops::arith::Add<^1_0>`
#1 [typeck] type-checking `add`
end of query stack
error: aborting due to 8 previous errors; 1 warning emitted

Some errors have detailed explanations: E0107, E0207, E0425, E0601.
For more information about an error, try `rustc --explain E0107`.

@rustbot label +F-generic_const_exprs

The text was updated successfully, but these errors were encountered:

fmease · 2024-05-30T13:51:32Z

(this is F-effects `#![feature(effects)]` bc Add is a #[const_trait] and ?0e is an effect var)

GrigorenkoPV · 2024-06-19T23:35:23Z

Can't reproduce it.

BoxyUwU · 2024-07-02T16:37:09Z

cc @fee1-dead I assume this was fixed by the new effects desugaring that does not create an implicit const parameters

matthiaskrgr · 2024-07-02T16:41:49Z

the new effects desugaring landed 3 days ago wheres this stopped crashing already around 3 weeks ago.

GrigorenkoPV · 2024-07-02T20:29:10Z

          Can't reproduce it.

Originally posted by @GrigorenkoPV in #125770 (comment)

That is because I tried 2024-05-30 and it actually regressed in 2024-05-31. Specifically in #125671.

It then un-regressed in 2024-06-05. Specifically in #125608 (in the #125960 rollup).

matthiaskrgr 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. C-bug Category: This is a bug. labels May 30, 2024

rustbot added needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. F-generic_const_exprs `#![feature(generic_const_exprs)]` labels May 30, 2024

fmease added F-adt_const_params `#![feature(adt_const_params)]` F-effects `#![feature(effects)]` and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels May 30, 2024

workingjubilee added the requires-incomplete-features label Jun 6, 2024

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 Jun 8, 2024

BoxyUwU added F-adt_const_params `#![feature(adt_const_params)]` and removed F-adt_const_params `#![feature(adt_const_params)]` labels Jul 2, 2024

BoxyUwU linked a pull request Jul 14, 2024 that will close this issue

Add regression test for a gce + effects ICE #127711

Open

BoxyUwU self-assigned this Jul 14, 2024

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ICE; `tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension` #125770

ICE; `tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension` #125770

matthiaskrgr commented May 30, 2024

fmease commented May 30, 2024

GrigorenkoPV commented Jun 19, 2024

BoxyUwU commented Jul 2, 2024

matthiaskrgr commented Jul 2, 2024

GrigorenkoPV commented Jul 2, 2024

ICE; tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension #125770

ICE; tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension #125770

Comments

matthiaskrgr commented May 30, 2024

fmease commented May 30, 2024

GrigorenkoPV commented Jun 19, 2024

BoxyUwU commented Jul 2, 2024

matthiaskrgr commented Jul 2, 2024

GrigorenkoPV commented Jul 2, 2024

ICE; `tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension` #125770

ICE; `tried to combine ConstKind::Infer/ConstKind::Infer(InferConst::Var): ?0e: bool and ?0c: Dimension` #125770