ICE: `invalid asymmetric binary op`

auto-reduced (treereduce-rust):

#![feature(generic_const_exprs)]

struct Outer<const A: i64, const B: usize>();
impl<const A: usize, const B: usize> Outer<A, B>
where
    [(); A + (B * 2)]:,
{
    fn o() -> Union {}
}

fn main() {
    Outer::<1, 1>::o();
}

original:

#![allow(named_arguments_used_positionally)]
#![feature(generic_const_exprs)]
struct Inner<const N: usize, const M: usize>;
impl<const N: usize, const M: usize> Inner<N, M> where [(); N + M]: {
    fn i() -> Self {
        Self
    }
}

struct Outer<const A: i64, const B: usize>(Inner<A, { B * 2 }>) where [(); A + (B * 2)]:;
impl<const A: usize, const B: usize> Outer<A, B> where [(); A + (B * 2)]: {
    fn o() -> Union {
        Self(Inner::i())
    }
}

fn main() {
    Outer::<1, 1>::o();
}

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[E0412]: cannot find type `Union` in this scope --> /tmp/icemaker_global_tempdir.6SQ2ETTazrR8/rustc_testrunner_tmpdir_reporting.g7J1FD4KySEA/mvce.rs:8:15 | 8 | fn o() -> Union {} | ^^^^^ not found in this scope | help: consider importing one of these items | 3 + use std::collections::btree_set::Union; | 3 + use std::collections::hash_set::Union; | warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes --> /tmp/icemaker_global_tempdir.6SQ2ETTazrR8/rustc_testrunner_tmpdir_reporting.g7J1FD4KySEA/mvce.rs:1:12 | 1 | #![feature(generic_const_exprs)] | ^^^^^^^^^^^^^^^^^^^ | = note: see issue #76560 for more information = note: `#[warn(incomplete_features)]` on by default error: the constant `A` is not of type `i64` --> /tmp/icemaker_global_tempdir.6SQ2ETTazrR8/rustc_testrunner_tmpdir_reporting.g7J1FD4KySEA/mvce.rs:4:38 | 4 | impl Outer | ^^^^^^^^^^^ expected `i64`, found `usize` | note: required by a bound in `Outer` --> /tmp/icemaker_global_tempdir.6SQ2ETTazrR8/rustc_testrunner_tmpdir_reporting.g7J1FD4KySEA/mvce.rs:3:14 | 3 | struct Outer(); | ^^^^^^^^^^^^ required by this bound in `Outer` error: internal compiler error: compiler/rustc_const_eval/src/interpret/operator.rs:169:13: invalid asymmetric binary op AddWithOverflow: 0x0000000000000001 (i64), 0x0000000000000002 (usize) --> /tmp/icemaker_global_tempdir.6SQ2ETTazrR8/rustc_testrunner_tmpdir_reporting.g7J1FD4KySEA/mvce.rs:6:10 | 6 | [(); A + (B * 2)]:, | ^^^^^^^^^^^ thread 'rustc' panicked at compiler/rustc_const_eval/src/interpret/operator.rs:169:13: Box stack backtrace: 0: 0x7df110d12cc5 - std::backtrace_rs::backtrace::libunwind::trace::h678682a49ad9b996 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 1: 0x7df110d12cc5 - std::backtrace_rs::backtrace::trace_unsynchronized::hee6fa95bb2553111 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7df110d12cc5 - std::sys_common::backtrace::_print_fmt::h95e0b5b079a7d050 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:68:5 3: 0x7df110d12cc5 - ::fmt::h5ef0519e3348f4b3 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7df110d636bb - core::fmt::rt::Argument::fmt::h351d794db9ebf8d4 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/core/src/fmt/rt.rs:165:63 5: 0x7df110d636bb - core::fmt::write::hf6a10f4e291514d0 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/core/src/fmt/mod.rs:1168:21 6: 0x7df110d0799f - std::io::Write::write_fmt::h3774e539b39c6176 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/io/mod.rs:1835:15 7: 0x7df110d12a9e - std::sys_common::backtrace::_print::h0766b9d4e4e1a2a5 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:47:5 8: 0x7df110d12a9e - std::sys_common::backtrace::print::hf85a15b68fc127ec at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys_common/backtrace.rs:34:9 9: 0x7df110d154d9 - std::panicking::default_hook::{{closure}}::hba9aa02e8bae00f0 10: 0x7df110d1527a - std::panicking::default_hook::h1795c37d9b50a345 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/panicking.rs:298:9 11: 0x7df10d540d00 - std[fbc7945dfe4e847c]::panicking::update_hook::>::{closure#0} 12: 0x7df110d15c0b - as core::ops::function::Fn>::call::hb26c638276518655 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/alloc/src/boxed.rs:2077:9 13: 0x7df110d15c0b - std::panicking::rust_panic_with_hook::h9450536fa6827029 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/panicking.rs:799:13 14: 0x7df10d570de4 - std[fbc7945dfe4e847c]::panicking::begin_panic::::{closure#0} 15: 0x7df10d56d9e6 - std[fbc7945dfe4e847c]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> 16: 0x7df10d56d6c6 - std[fbc7945dfe4e847c]::panicking::begin_panic:: 17: 0x7df10d57a261 - ::emit_producing_guarantee 18: 0x7df10d4a8e28 - ::span_bug:: 19: 0x7df10d4c8c0d - rustc_middle[be94168a967605d5]::util::bug::opt_span_bug_fmt::::{closure#0} 20: 0x7df10d4c8c3a - rustc_middle[be94168a967605d5]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} 21: 0x7df10d4bec9b - rustc_middle[be94168a967605d5]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> 22: 0x7df10c340a57 - rustc_middle[be94168a967605d5]::util::bug::span_bug_fmt:: 23: 0x7df10f4ae55a - >::eval_rvalue_into_place 24: 0x7df10c937a4d - rustc_const_eval[d725f5dd974c28ec]::const_eval::eval_queries::eval_to_allocation_raw_provider 25: 0x7df10efb763c - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::> 26: 0x7df10efb6e59 - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 24usize]>>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false> 27: 0x7df10efb6a30 - rustc_query_impl[c0e0181520bdf354]::query_impl::eval_to_allocation_raw::get_query_non_incr::__rust_end_short_backtrace 28: 0x7df10f76aaf6 - rustc_middle[be94168a967605d5]::query::plumbing::query_get_at::, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 24usize]>>> 29: 0x7df10f76adb5 - rustc_const_eval[d725f5dd974c28ec]::const_eval::valtrees::eval_to_valtree 30: 0x7df10f76ad49 - )>>::call_once 31: 0x7df10f76ad00 - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::> 32: 0x7df10f76acc1 - )>>::call_once 33: 0x7df10efb6f34 - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 24usize]>>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false> 34: 0x7df10efb6858 - rustc_query_impl[c0e0181520bdf354]::query_impl::eval_to_valtree::get_query_non_incr::__rust_end_short_backtrace 35: 0x7df10f3c86f1 - rustc_middle[be94168a967605d5]::query::plumbing::query_get_at::, rustc_middle[be94168a967605d5]::query::erase::Erased<[u8; 24usize]>>> 36: 0x7df10f4e0bf3 - ::const_eval_global_id_for_typeck 37: 0x7df10f4e11c2 - ::const_eval_resolve_for_typeck 38: 0x7df10d8a0162 - ::const_eval_resolve 39: 0x7df1102bde47 - rustc_trait_selection[294db240007bd44b]::traits::const_evaluatable::is_const_evaluatable.cold 40: 0x7df10b4eb8d3 - ::process_obligation 41: 0x7df10ea05cf6 - >::process_obligations:: 42: 0x7df10ee1176b - , ::consider_candidates::{closure#0}>, ::consider_candidates::{closure#1}> as core[6d46e2ae36dee942]::iter::traits::iterator::Iterator>::next 43: 0x7df10ee0d220 - ::pick_all_method 44: 0x7df10f439f68 - ::probe_for_name 45: 0x7df10f446267 - ::check_expr_path 46: 0x7df10f3e8e0a - ::check_expr_with_expectation_and_args 47: 0x7df10f3e9c47 - ::check_expr_with_expectation_and_args 48: 0x7df10f3e57f3 - ::check_block_with_expected 49: 0x7df10f3ea937 - ::check_expr_with_expectation_and_args 50: 0x7df10ed9e0d4 - rustc_hir_typeck[27bfc99261d6777a]::check::check_fn 51: 0x7df10ed9386c - rustc_hir_typeck[27bfc99261d6777a]::typeck 52: 0x7df10ed932d1 - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::> 53: 0x7df10ec5a86e - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false> 54: 0x7df10ec59395 - rustc_query_impl[c0e0181520bdf354]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace 55: 0x7df10ec58fcb - ::par_body_owners::::{closure#0} 56: 0x7df10ec57a8b - rustc_hir_analysis[9feabfd3ed563fae]::check_crate 57: 0x7df10f4275fe - rustc_interface[c870be2efde3492c]::passes::analysis 58: 0x7df10f42715b - rustc_query_impl[c0e0181520bdf354]::plumbing::__rust_begin_short_backtrace::> 59: 0x7df10f78f725 - rustc_query_system[a635211d769013fd]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[c0e0181520bdf354]::plumbing::QueryCtxt, false> 60: 0x7df10f78f48f - rustc_query_impl[c0e0181520bdf354]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace 61: 0x7df10f62120e - rustc_interface[c870be2efde3492c]::interface::run_compiler::, rustc_driver_impl[4c120566f3914dcc]::run_compiler::{closure#0}>::{closure#1} 62: 0x7df10f5e23c9 - std[fbc7945dfe4e847c]::sys_common::backtrace::__rust_begin_short_backtrace::, 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>> 63: 0x7df10f5e2172 - <::spawn_unchecked_, 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} 64: 0x7df110d1fbfb - as core::ops::function::FnOnce>::call_once::h5d22407a994a8dd7 at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/alloc/src/boxed.rs:2063:9 65: 0x7df110d1fbfb - as core::ops::function::FnOnce>::call_once::he08091f4f7e587cf at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/alloc/src/boxed.rs:2063:9 66: 0x7df110d1fbfb - std::sys::pal::unix::thread::Thread::new::thread_start::h4ffcec4576023b2b at /rustc/32a3ed229caaaa6476ee1b0e644dd53579454536/library/std/src/sys/pal/unix/thread.rs:108:17 67: 0x7df10a2aa1cf - 68: 0x7df10a32b6ec - 69: 0x0 - 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 [eval_to_allocation_raw] const-evaluating + checking `::{constant#0}` #1 [eval_to_valtree] evaluating type-level constant end of query stack error: aborting due to 3 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0412`. ```

@rustbot label +F-generic_const_exprs

rust-lang / rust

ICE: `invalid asymmetric binary op` #125768