ICE: effects: is not fully resolved

[matthiaskrgr]

Code

#![feature(effects)]

const fn foo(n: i32) -> i32 {
    n
}

const fn return_ty_mismatch() {
    const_eval_select((1,), foo, bar);
}

Meta

rustc --version --verbose:

rustc 1.74.0-nightly (5f6ee65f5 2023-09-12)
binary: rustc
commit-hash: 5f6ee65f594f59f64c7957dcad90edc0b8830284
commit-date: 2023-09-12
host: x86_64-unknown-linux-gnu
release: 1.74.0-nightly
LLVM version: 17.0.0

Error output

error[E0425]: cannot find function `const_eval_select` in this scope
 --> const-eval-select-bad.rs:8:5
  |
8 |     const_eval_select((1,), foo, bar);
  |     ^^^^^^^^^^^^^^^^^ not found in this scope
  |
help: consider importing this function
  |
3 + use std::intrinsics::const_eval_select;
  |

error[E0425]: cannot find value `bar` in this scope
 --> const-eval-select-bad.rs:8:34
  |
8 |     const_eval_select((1,), foo, bar);
  |                                  ^^^ not found in this scope

error[E0601]: `main` function not found in crate `const_eval_select_bad`
 --> const-eval-select-bad.rs:9:2
  |
9 | }
  |  ^ consider adding a `main` function to `const-eval-select-bad.rs`

Backtrace

thread 'rustc' panicked at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/compiler/rustc_infer/src/infer/mod.rs:1422:9:
`Ok(FnDef(DefId(0:3 ~ const_eval_select_bad[e67f]::foo), [Const { ty: bool, kind: ?0e }]))` is not fully resolved
stack backtrace:
   0:     0x7fc776335efc - std::backtrace_rs::backtrace::libunwind::trace::h170ba77b7937dfc1
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7fc776335efc - std::backtrace_rs::backtrace::trace_unsynchronized::ha3ffdef167b36dcf
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fc776335efc - std::sys_common::backtrace::_print_fmt::h3593f75d449d7c19
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7fc776335efc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3d681876fb1a0c35
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7fc77639c15c - core::fmt::rt::Argument::fmt::h28dae40336be117d
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/core/src/fmt/rt.rs:138:9
   5:     0x7fc77639c15c - core::fmt::write::hc7ede5ba8d1b34fc
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/core/src/fmt/mod.rs:1094:21
   6:     0x7fc77632893e - std::io::Write::write_fmt::h4b5cbdfd5c06e4d9
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/io/mod.rs:1714:15
   7:     0x7fc776335ce4 - std::sys_common::backtrace::_print::hf9f8d894d0fba8f4
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7fc776335ce4 - std::sys_common::backtrace::print::h6736ec2ce0b1565d
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7fc776338dda - std::panicking::panic_hook_with_disk_dump::{{closure}}::h23059af5ca98b58a
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/panicking.rs:280:22
  10:     0x7fc776338ad5 - std::panicking::panic_hook_with_disk_dump::h6a2d92a5ff298e6f
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/panicking.rs:314:9
  11:     0x7fc775151e49 - rustc_driver_impl[f8442aae50b2ebe1]::install_ice_hook::{closure#0}
  12:     0x7fc776339693 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h34ea97e0bbf89982
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/alloc/src/boxed.rs:2021:9
  13:     0x7fc776339693 - std::panicking::rust_panic_with_hook::h71b4835249b93020
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/panicking.rs:757:13
  14:     0x7fc776339411 - std::panicking::begin_panic_handler::{{closure}}::haf0bd6f65b167fe9
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/panicking.rs:631:13
  15:     0x7fc776336426 - std::sys_common::backtrace::__rust_end_short_backtrace::hec6b1c9c3aaa2fc0
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/sys_common/backtrace.rs:170:18
  16:     0x7fc776339152 - rust_begin_unwind
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/panicking.rs:619:5
  17:     0x7fc776398505 - core::panicking::panic_fmt::hfe421f38e4eebe22
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/core/src/panicking.rs:72:14
  18:     0x7fc77334e6c3 - <rustc_hir_typeck[96f43ef1f9ed4f24]::writeback::WritebackCx as rustc_hir[f0f1005e0ab084e1]::intravisit::Visitor>::visit_expr
  19:     0x7fc77334c5d2 - <rustc_hir_typeck[96f43ef1f9ed4f24]::writeback::WritebackCx as rustc_hir[f0f1005e0ab084e1]::intravisit::Visitor>::visit_expr
  20:     0x7fc773356d7b - <rustc_hir_typeck[96f43ef1f9ed4f24]::writeback::WritebackCx as rustc_hir[f0f1005e0ab084e1]::intravisit::Visitor>::visit_block
  21:     0x7fc77334c615 - <rustc_hir_typeck[96f43ef1f9ed4f24]::writeback::WritebackCx as rustc_hir[f0f1005e0ab084e1]::intravisit::Visitor>::visit_expr
  22:     0x7fc7741f50e4 - <rustc_hir_typeck[96f43ef1f9ed4f24]::fn_ctxt::FnCtxt>::resolve_type_vars_in_body
  23:     0x7fc7741e40a2 - rustc_hir_typeck[96f43ef1f9ed4f24]::typeck
  24:     0x7fc77324f64e - rustc_query_impl[5d5a3cff05f7bed8]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5d5a3cff05f7bed8]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b639b8b23e8d3436]::query::erase::Erased<[u8; 8usize]>>
  25:     0x7fc77324f61e - <rustc_query_impl[5d5a3cff05f7bed8]::query_impl::typeck::dynamic_query::{closure#2} as core[8975a1ebd15850b5]::ops::function::FnOnce<(rustc_middle[b639b8b23e8d3436]::ty::context::TyCtxt, rustc_span[319b9c0a2f58e367]::def_id::LocalDefId)>>::call_once
  26:     0x7fc773347498 - rustc_query_system[50f896f966c25655]::query::plumbing::try_execute_query::<rustc_query_impl[5d5a3cff05f7bed8]::DynamicConfig<rustc_query_system[50f896f966c25655]::query::caches::VecCache<rustc_span[319b9c0a2f58e367]::def_id::LocalDefId, rustc_middle[b639b8b23e8d3436]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[5d5a3cff05f7bed8]::plumbing::QueryCtxt, false>
  27:     0x7fc774ad7b21 - rustc_query_impl[5d5a3cff05f7bed8]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  28:     0x7fc77431fcdf - rustc_data_structures[cb81a686e7cdb45e]::sync::parallel::disabled::par_for_each_in::<&[rustc_span[319b9c0a2f58e367]::def_id::LocalDefId], <rustc_middle[b639b8b23e8d3436]::hir::map::Map>::par_body_owners<rustc_hir_analysis[788a263b067e3e39]::check_crate::{closure#7}>::{closure#0}>
  29:     0x7fc77431e9c8 - rustc_hir_analysis[788a263b067e3e39]::check_crate
  30:     0x7fc774315252 - rustc_interface[afabc26049662c5e]::passes::analysis
  31:     0x7fc77459f46a - rustc_query_impl[5d5a3cff05f7bed8]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5d5a3cff05f7bed8]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b639b8b23e8d3436]::query::erase::Erased<[u8; 1usize]>>
  32:     0x7fc77459f459 - <rustc_query_impl[5d5a3cff05f7bed8]::query_impl::analysis::dynamic_query::{closure#2} as core[8975a1ebd15850b5]::ops::function::FnOnce<(rustc_middle[b639b8b23e8d3436]::ty::context::TyCtxt, ())>>::call_once
  33:     0x7fc774885174 - rustc_query_system[50f896f966c25655]::query::plumbing::try_execute_query::<rustc_query_impl[5d5a3cff05f7bed8]::DynamicConfig<rustc_query_system[50f896f966c25655]::query::caches::SingleCache<rustc_middle[b639b8b23e8d3436]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[5d5a3cff05f7bed8]::plumbing::QueryCtxt, false>
  34:     0x7fc774884ee9 - rustc_query_impl[5d5a3cff05f7bed8]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  35:     0x7fc77466ac13 - <rustc_middle[b639b8b23e8d3436]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[f8442aae50b2ebe1]::run_compiler::{closure#1}::{closure#2}::{closure#6}, core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>>
  36:     0x7fc774669d08 - <rustc_interface[afabc26049662c5e]::interface::Compiler>::enter::<rustc_driver_impl[f8442aae50b2ebe1]::run_compiler::{closure#1}::{closure#2}, core[8975a1ebd15850b5]::result::Result<core[8975a1ebd15850b5]::option::Option<rustc_interface[afabc26049662c5e]::queries::Linker>, rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>>
  37:     0x7fc774662fd4 - std[ba7dab7da19e8c24]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[afabc26049662c5e]::util::run_in_thread_with_globals<rustc_interface[afabc26049662c5e]::interface::run_compiler<core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>, rustc_driver_impl[f8442aae50b2ebe1]::run_compiler::{closure#1}>::{closure#0}, core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>>
  38:     0x7fc77466272e - <<std[ba7dab7da19e8c24]::thread::Builder>::spawn_unchecked_<rustc_interface[afabc26049662c5e]::util::run_in_thread_with_globals<rustc_interface[afabc26049662c5e]::interface::run_compiler<core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>, rustc_driver_impl[f8442aae50b2ebe1]::run_compiler::{closure#1}>::{closure#0}, core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[8975a1ebd15850b5]::result::Result<(), rustc_span[319b9c0a2f58e367]::ErrorGuaranteed>>::{closure#1} as core[8975a1ebd15850b5]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  39:     0x7fc776344075 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf087c3a953991192
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/alloc/src/boxed.rs:2007:9
  40:     0x7fc776344075 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h911ae42726efeb98
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/alloc/src/boxed.rs:2007:9
  41:     0x7fc776344075 - std::sys::unix::thread::Thread::new::thread_start::hb163d3257e70a2e6
                               at /rustc/b4e54c6e39984840a04dcd02d14ec8c3574d30e5/library/std/src/sys/unix/thread.rs:108:17
  42:     0x7fc771c8c9eb - <unknown>
  43:     0x7fc771d10dfc - <unknown>
  44:                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 `/tmp/im/icemaker_reduced/rustc-ice-2023-09-12T16:29:00.161643674Z-2972167.txt` to your bug report

query stack during panic:
#0 [typeck] type-checking `return_ty_mismatch`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 3 previous errors

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

[matthiaskrgr]

Regression in nightly-2023-09-12
Regression in 0a199e4
#115727