ICE: typeid_for_instance: couldn't get fn_abi of instance

[matthiaskrgr]

snippet:

trait Foo {
    type Bar<'a>
    where
        Self: Sized;

    fn test(&self);
}

impl Foo for () {
    type Bar<'a> = () where Self: Sized;

    fn test(&self) {}
}

fn test(x: &dyn Foo) {
    x.test();
}

fn main() {
    test(&());
}

Version information

rustc 1.81.0-nightly (fcc325f1b 2024-07-17)
binary: rustc
commit-hash: fcc325f1bc477975e2ce5ba534fe4c77ff8a8536
commit-date: 2024-07-17
host: x86_64-unknown-linux-gnu
release: 1.81.0-nightly
LLVM version: 18.1.7

Command:
/home/matthias/.rustup/toolchains/master/bin/rustc -Zsanitizer=cfi -Ccodegen-units=1 -Clto

Program output

error: internal compiler error: compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/mod.rs:121:13: typeid_for_instance: couldn't get fn_abi of instance Instance { def: Virtual(DefId(0:6 ~ mvce[89c4]::Foo::test), 0), args: [dyn [Binder { value: Trait(Foo), bound_vars: [] }, Binder { value: Projection(Bar = {type error}), bound_vars: [] }] + '{erased}] }: Layout(ReferencesError(ErrorGuaranteed(())))

thread 'rustc' panicked at compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/mod.rs:121:13:
Box<dyn Any>
stack backtrace:
   0:     0x7b216d6183e5 - std::backtrace_rs::backtrace::libunwind::trace::h7d42dda8f80cfb99
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
   1:     0x7b216d6183e5 - std::backtrace_rs::backtrace::trace_unsynchronized::hd585f8afb233c9ee
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7b216d6183e5 - std::sys::backtrace::_print_fmt::h224c15dbafc899ab
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/backtrace.rs:65:5
   3:     0x7b216d6183e5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hca750ad87bb2f1d4
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/backtrace.rs:40:26
   4:     0x7b216d667e3b - core::fmt::rt::Argument::fmt::hf85ec79e8cf86c67
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/core/src/fmt/rt.rs:173:76
   5:     0x7b216d667e3b - core::fmt::write::h133a0eb20f0a6a5d
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/core/src/fmt/mod.rs:1182:21
   6:     0x7b216d60ce9f - std::io::Write::write_fmt::h0b1c7497ddea4e96
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/io/mod.rs:1827:15
   7:     0x7b216d61abd1 - std::sys::backtrace::BacktraceLock::print::h7ea149d21a641076
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/backtrace.rs:43:9
   8:     0x7b216d61abd1 - std::panicking::default_hook::{{closure}}::h7dd45b5804215332
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/panicking.rs:269:22
   9:     0x7b216d61a8ac - std::panicking::default_hook::haed8ee3169af9669
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/panicking.rs:296:9
  10:     0x7b21699f5aa9 - std[a568119b01f6acf9]::panicking::update_hook::<alloc[bb4b795e710d07dc]::boxed::Box<rustc_driver_impl[8e1afaf50ebeb9ae]::install_ice_hook::{closure#0}>>::{closure#0}
  11:     0x7b216d61b59f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h28c95c685643affe
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/alloc/src/boxed.rs:2084:9
  12:     0x7b216d61b59f - std::panicking::rust_panic_with_hook::h4bf66cb658082ab2
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/panicking.rs:808:13
  13:     0x7b2169a30361 - std[a568119b01f6acf9]::panicking::begin_panic::<rustc_errors[3a77a9bae9c6f06]::ExplicitBug>::{closure#0}
  14:     0x7b2169a23166 - std[a568119b01f6acf9]::sys::backtrace::__rust_end_short_backtrace::<std[a568119b01f6acf9]::panicking::begin_panic<rustc_errors[3a77a9bae9c6f06]::ExplicitBug>::{closure#0}, !>
  15:     0x7b2169a23116 - std[a568119b01f6acf9]::panicking::begin_panic::<rustc_errors[3a77a9bae9c6f06]::ExplicitBug>
  16:     0x7b2169a397e1 - <rustc_errors[3a77a9bae9c6f06]::diagnostic::BugAbort as rustc_errors[3a77a9bae9c6f06]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
  17:     0x7b216a0467a4 - rustc_middle[755ee31b8896a314]::util::bug::opt_span_bug_fmt::<rustc_span[38ccacee260ae995]::span_encoding::Span>::{closure#0}
  18:     0x7b216a02c99a - rustc_middle[755ee31b8896a314]::ty::context::tls::with_opt::<rustc_middle[755ee31b8896a314]::util::bug::opt_span_bug_fmt<rustc_span[38ccacee260ae995]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  19:     0x7b216a02c83b - rustc_middle[755ee31b8896a314]::ty::context::tls::with_context_opt::<rustc_middle[755ee31b8896a314]::ty::context::tls::with_opt<rustc_middle[755ee31b8896a314]::util::bug::opt_span_bug_fmt<rustc_span[38ccacee260ae995]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  20:     0x7b2167dc6e70 - rustc_middle[755ee31b8896a314]::util::bug::bug_fmt
  21:     0x7b216a50851e - rustc_sanitizers[1d6677b7696965d9]::cfi::typeid::itanium_cxx_abi::typeid_for_instance
  22:     0x7b2168235b48 - <rustc_codegen_llvm[87ee7f7790512990]::context::CodegenCx as rustc_codegen_ssa[a22e255770616fed]::traits::declare::PreDefineMethods>::predefine_fn
  23:     0x7b216bdea4dc - rustc_codegen_llvm[87ee7f7790512990]::base::compile_codegen_unit::module_codegen
  24:     0x7b216bde783c - <rustc_codegen_llvm[87ee7f7790512990]::LlvmCodegenBackend as rustc_codegen_ssa[a22e255770616fed]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
  25:     0x7b216bfbaab1 - <rustc_codegen_llvm[87ee7f7790512990]::LlvmCodegenBackend as rustc_codegen_ssa[a22e255770616fed]::traits::backend::CodegenBackend>::codegen_crate
  26:     0x7b216bf63cb6 - <rustc_interface[a03dee3aea9b1fd5]::queries::Linker>::codegen_and_build_linker
  27:     0x7b216bdc13f6 - rustc_interface[a03dee3aea9b1fd5]::interface::run_compiler::<core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>, rustc_driver_impl[8e1afaf50ebeb9ae]::run_compiler::{closure#0}>::{closure#1}
  28:     0x7b216bd97b49 - std[a568119b01f6acf9]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_with_globals<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_pool_with_globals<rustc_interface[a03dee3aea9b1fd5]::interface::run_compiler<core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>, rustc_driver_impl[8e1afaf50ebeb9ae]::run_compiler::{closure#0}>::{closure#1}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>
  29:     0x7b216bd978fa - <<std[a568119b01f6acf9]::thread::Builder>::spawn_unchecked_<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_with_globals<rustc_interface[a03dee3aea9b1fd5]::util::run_in_thread_pool_with_globals<rustc_interface[a03dee3aea9b1fd5]::interface::run_compiler<core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>, rustc_driver_impl[8e1afaf50ebeb9ae]::run_compiler::{closure#0}>::{closure#1}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[da8eb5c0cc453d3]::result::Result<(), rustc_span[38ccacee260ae995]::ErrorGuaranteed>>::{closure#2} as core[da8eb5c0cc453d3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  30:     0x7b216d6255fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hcba9444f62f4d2cf
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/alloc/src/boxed.rs:2070:9
  31:     0x7b216d6255fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h370ba06625738899
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/alloc/src/boxed.rs:2070:9
  32:     0x7b216d6255fb - std::sys::pal::unix::thread::Thread::new::thread_start::he74bac229ff12ca4
                               at /rustc/fcc325f1bc477975e2ce5ba534fe4c77ff8a8536/library/std/src/sys/pal/unix/thread.rs:108:17
  33:     0x7b216d3b9ded - <unknown>
  34:     0x7b216d43d0dc - <unknown>
  35:                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 1.81.0-nightly (fcc325f1b 2024-07-17) running on x86_64-unknown-linux-gnu

note: compiler flags: -Z sanitizer=cfi -C codegen-units=1 -C lto -Z dump-mir-dir=dir

query stack during panic:
end of query stack
error: aborting due to 1 previous error