ICE: unexpected body ty: {type error} phase Runtime(PostCleanup)

[matthiaskrgr]

auto-reduced (treereduce-rust):

fn a() {}

fn _test<'a>() {
    baz(|| 45);
}

original:

fn a() {}

fn baz<F: Fn(*mut &a)>(_: F) {}
fn _test<'a>(f:  u128  (a, a) ) {
    baz(|_: &(u16, u16)| 45);
}

Version information

rustc 1.78.0-nightly (98aa3624b 2024-02-08)
binary: rustc
commit-hash: 98aa3624be70462d6a25ed5544333e3df62f4c66
commit-date: 2024-02-08
host: x86_64-unknown-linux-gnu
release: 1.78.0-nightly
LLVM version: 17.0.6

Command:
/home/matthias/.rustup/toolchains/master/bin/rustc -Zvalidate-mir

Program output

error[E0601]: `main` function not found in crate `mvce`
 --> /tmp/icemaker_global_tempdir.OfKKAInz3FRR/rustc_testrunner_tmpdir_reporting.OKTLF5I7SskN/mvce.rs:5:2
  |
5 | }
  |  ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.OfKKAInz3FRR/rustc_testrunner_tmpdir_reporting.OKTLF5I7SskN/mvce.rs`

error[E0425]: cannot find function `baz` in this scope
 --> /tmp/icemaker_global_tempdir.OfKKAInz3FRR/rustc_testrunner_tmpdir_reporting.OKTLF5I7SskN/mvce.rs:4:5
  |
4 |     baz(|| 45);
  |     ^^^ not found in this scope

error: internal compiler error: compiler/rustc_const_eval/src/transform/validate.rs:64:21: unexpected body ty: {type error} phase Runtime(PostCleanup)
 --> /tmp/icemaker_global_tempdir.OfKKAInz3FRR/rustc_testrunner_tmpdir_reporting.OKTLF5I7SskN/mvce.rs:4:9
  |
4 |     baz(|| 45);
  |         ^^

thread 'rustc' panicked at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/compiler/rustc_middle/src/util/bug.rs:34:50:
Box<dyn Any>
stack backtrace:
   0:     0x7f155bf83dd6 - std::backtrace_rs::backtrace::libunwind::trace::hcf4842620364d535
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x7f155bf83dd6 - std::backtrace_rs::backtrace::trace_unsynchronized::h615a7d3c4b72d07a
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f155bf83dd6 - std::sys_common::backtrace::_print_fmt::h777946980bbce9d4
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7f155bf83dd6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0fdadf67cf82c3e5
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f155bfd6830 - core::fmt::rt::Argument::fmt::h40bec717748a6a66
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/core/src/fmt/rt.rs:142:9
   5:     0x7f155bfd6830 - core::fmt::write::hfb3923fb2f513fc0
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/core/src/fmt/mod.rs:1120:17
   6:     0x7f155bf7764f - std::io::Write::write_fmt::h7dd8ba1b7fdc9479
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/io/mod.rs:1854:15
   7:     0x7f155bf83bb4 - std::sys_common::backtrace::_print::hffce9865d8ccd857
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f155bf83bb4 - std::sys_common::backtrace::print::h532d3566cc4254d4
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f155bf86947 - std::panicking::default_hook::{{closure}}::hfa7000b32c4e888b
  10:     0x7f155bf866a9 - std::panicking::default_hook::haaf1b4b762fde1ac
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/panicking.rs:292:9
  11:     0x7f1558d3b78c - std[5c40b41967587ec6]::panicking::update_hook::<alloc[5d4b954b8b3d7648]::boxed::Box<rustc_driver_impl[ab5bb327712dbf0b]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f155bf87096 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4c230f69fdc2df31
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/alloc/src/boxed.rs:2029:9
  13:     0x7f155bf87096 - std::panicking::rust_panic_with_hook::h89e8d9a00153591c
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/panicking.rs:785:13
  14:     0x7f1558d6d214 - std[5c40b41967587ec6]::panicking::begin_panic::<rustc_errors[2d943f9bbf936830]::ExplicitBug>::{closure#0}
  15:     0x7f1558d69c46 - std[5c40b41967587ec6]::sys_common::backtrace::__rust_end_short_backtrace::<std[5c40b41967587ec6]::panicking::begin_panic<rustc_errors[2d943f9bbf936830]::ExplicitBug>::{closure#0}, !>
  16:     0x7f1558d695f6 - std[5c40b41967587ec6]::panicking::begin_panic::<rustc_errors[2d943f9bbf936830]::ExplicitBug>
  17:     0x7f1558d78e71 - <rustc_errors[2d943f9bbf936830]::diagnostic_builder::BugAbort as rustc_errors[2d943f9bbf936830]::diagnostic_builder::EmissionGuarantee>::emit_producing_guarantee
  18:     0x7f1558cc73ad - rustc_middle[d2b54ada19c9e5f1]::util::bug::opt_span_bug_fmt::<rustc_span[e69a7bbb34a31e54]::span_encoding::Span>::{closure#0}
  19:     0x7f1558cc73da - rustc_middle[d2b54ada19c9e5f1]::ty::context::tls::with_opt::<rustc_middle[d2b54ada19c9e5f1]::util::bug::opt_span_bug_fmt<rustc_span[e69a7bbb34a31e54]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  20:     0x7f1558cbedb8 - rustc_middle[d2b54ada19c9e5f1]::ty::context::tls::with_context_opt::<rustc_middle[d2b54ada19c9e5f1]::ty::context::tls::with_opt<rustc_middle[d2b54ada19c9e5f1]::util::bug::opt_span_bug_fmt<rustc_span[e69a7bbb34a31e54]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  21:     0x7f15581cdd14 - rustc_middle[d2b54ada19c9e5f1]::util::bug::span_bug_fmt::<rustc_span[e69a7bbb34a31e54]::span_encoding::Span>
  22:     0x7f155a5e06f7 - <rustc_const_eval[d3b6b2ab9b56d607]::transform::validate::Validator as rustc_middle[d2b54ada19c9e5f1]::mir::MirPass>::run_pass
  23:     0x7f155a0125e3 - rustc_mir_transform[dbe325d144a46723]::pass_manager::run_passes_inner
  24:     0x7f155744f530 - rustc_mir_transform[dbe325d144a46723]::mir_drops_elaborated_and_const_checked
  25:     0x7f155a18c035 - rustc_query_impl[99ac65c25f06845a]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[99ac65c25f06845a]::query_impl::mir_drops_elaborated_and_const_checked::dynamic_query::{closure#2}::{closure#0}, rustc_middle[d2b54ada19c9e5f1]::query::erase::Erased<[u8; 8usize]>>
  26:     0x7f155a18c2ba - rustc_query_system[98dc65aab34f8a4c]::query::plumbing::try_execute_query::<rustc_query_impl[99ac65c25f06845a]::DynamicConfig<rustc_query_system[98dc65aab34f8a4c]::query::caches::VecCache<rustc_span[e69a7bbb34a31e54]::def_id::LocalDefId, rustc_middle[d2b54ada19c9e5f1]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[99ac65c25f06845a]::plumbing::QueryCtxt, false>
  27:     0x7f155a18bb94 - rustc_query_impl[99ac65c25f06845a]::query_impl::mir_drops_elaborated_and_const_checked::get_query_non_incr::__rust_end_short_backtrace
  28:     0x7f155a9632ed - rustc_interface[f5c5c4389ec3cf3a]::passes::analysis
  29:     0x7f155a9629df - rustc_query_impl[99ac65c25f06845a]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[99ac65c25f06845a]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[d2b54ada19c9e5f1]::query::erase::Erased<[u8; 1usize]>>
  30:     0x7f155ad0a5b2 - rustc_query_system[98dc65aab34f8a4c]::query::plumbing::try_execute_query::<rustc_query_impl[99ac65c25f06845a]::DynamicConfig<rustc_query_system[98dc65aab34f8a4c]::query::caches::SingleCache<rustc_middle[d2b54ada19c9e5f1]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[99ac65c25f06845a]::plumbing::QueryCtxt, false>
  31:     0x7f155ad0a315 - rustc_query_impl[99ac65c25f06845a]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  32:     0x7f155ad173f6 - rustc_interface[f5c5c4389ec3cf3a]::interface::run_compiler::<core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>, rustc_driver_impl[ab5bb327712dbf0b]::run_compiler::{closure#0}>::{closure#0}
  33:     0x7f155a9a9386 - std[5c40b41967587ec6]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[f5c5c4389ec3cf3a]::util::run_in_thread_with_globals<rustc_interface[f5c5c4389ec3cf3a]::util::run_in_thread_pool_with_globals<rustc_interface[f5c5c4389ec3cf3a]::interface::run_compiler<core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>, rustc_driver_impl[ab5bb327712dbf0b]::run_compiler::{closure#0}>::{closure#0}, core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>>::{closure#0}, core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>>
  34:     0x7f155a9a91b3 - <<std[5c40b41967587ec6]::thread::Builder>::spawn_unchecked_<rustc_interface[f5c5c4389ec3cf3a]::util::run_in_thread_with_globals<rustc_interface[f5c5c4389ec3cf3a]::util::run_in_thread_pool_with_globals<rustc_interface[f5c5c4389ec3cf3a]::interface::run_compiler<core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>, rustc_driver_impl[ab5bb327712dbf0b]::run_compiler::{closure#0}>::{closure#0}, core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>>::{closure#0}, core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2f2a284c56ca7af5]::result::Result<(), rustc_span[e69a7bbb34a31e54]::ErrorGuaranteed>>::{closure#1} as core[2f2a284c56ca7af5]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  35:     0x7f155bf90735 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd35908ec403131f0
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/alloc/src/boxed.rs:2015:9
  36:     0x7f155bf90735 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6d654616ee0757b9
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/alloc/src/boxed.rs:2015:9
  37:     0x7f155bf90735 - std::sys::pal::unix::thread::Thread::new::thread_start::h987e3b25a01ed571
                               at /rustc/98aa3624be70462d6a25ed5544333e3df62f4c66/library/std/src/sys/pal/unix/thread.rs:108:17
  38:     0x7f1555e6f9eb - <unknown>
  39:     0x7f1555ef37cc - <unknown>
  40:                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: rustc 1.78.0-nightly (98aa3624b 2024-02-08) running on x86_64-unknown-linux-gnu

note: compiler flags: -Z validate-mir -Z dump-mir-dir=dir

query stack during panic:
#0 [mir_drops_elaborated_and_const_checked] elaborating drops for `_test::{closure#0}`
#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]

cc @oli-obk :D (note you'll need #120807 which was merged 10 minutes ago ^^ )