ICE: debuginfo: unexpected type in type_di_node()

[matthiaskrgr]

Code

rustc -Cdebuginfo=2 --crate-type lib

#![feature(type_alias_impl_trait)]

use std::fmt::Debug;

type Foo = impl Debug;

static FOO1: Foo = 22_u32;

Meta

rustc --version --verbose:

rustc 1.72.0-nightly (1d7d82472 2023-06-17)
binary: rustc
commit-hash: 1d7d82472617a4a0fea59c7e239c8a48c8ac5c34
commit-date: 2023-06-17
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5

Error output

<output>

Backtrace

error: internal compiler error: compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs:462:14: debuginfo: unexpected type in type_di_node(): Foo

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/compiler/rustc_errors/src/lib.rs:1650:9
stack backtrace:
   0:     0x7f162fd68821 - std::backtrace_rs::backtrace::libunwind::trace::h6e3584f9aa263648
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f162fd68821 - std::backtrace_rs::backtrace::trace_unsynchronized::h7cba45a2d56b3723
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f162fd68821 - std::sys_common::backtrace::_print_fmt::hb3e5f2b800058c47
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f162fd68821 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc6fcd56f05592786
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f162fdc9b2f - core::fmt::rt::Argument::fmt::hb8b6762d96a2930c
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/core/src/fmt/rt.rs:138:9
   5:     0x7f162fdc9b2f - core::fmt::write::ha824b1be2c398991
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f162fd5ba31 - std::io::Write::write_fmt::h4bbc557c498e18be
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/io/mod.rs:1713:15
   7:     0x7f162fd68635 - std::sys_common::backtrace::_print::hb6a2afc924d1ac9a
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f162fd68635 - std::sys_common::backtrace::print::h39a60e9b1dd2b988
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f162fd6b317 - std::panicking::default_hook::{{closure}}::hf1636ea70b88baf6
  10:     0x7f162fd6b104 - std::panicking::default_hook::h25db0e741a15cb6c
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/panicking.rs:288:9
  11:     0x7f1632fc105b - <rustc_driver_impl[9fb98086b5dc1b8]::install_ice_hook::{closure#0} as core[5a025f5ac19a3684]::ops::function::FnOnce<(&core[5a025f5ac19a3684]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  12:     0x7f162fd6ba5d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb67fc0de76dc4685
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/alloc/src/boxed.rs:1999:9
  13:     0x7f162fd6ba5d - std::panicking::rust_panic_with_hook::h6c10fd1f40066f99
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/panicking.rs:709:13
  14:     0x7f16334c21b1 - std[5e6a7ab4ec51e2fa]::panicking::begin_panic::<rustc_errors[db6e693a4d78f721]::ExplicitBug>::{closure#0}
  15:     0x7f16334c0e06 - std[5e6a7ab4ec51e2fa]::sys_common::backtrace::__rust_end_short_backtrace::<std[5e6a7ab4ec51e2fa]::panicking::begin_panic<rustc_errors[db6e693a4d78f721]::ExplicitBug>::{closure#0}, !>
  16:     0x7f16335572a6 - std[5e6a7ab4ec51e2fa]::panicking::begin_panic::<rustc_errors[db6e693a4d78f721]::ExplicitBug>
  17:     0x7f16334bdbd4 - <rustc_errors[db6e693a4d78f721]::HandlerInner>::bug::<alloc[31842ca5441cdb56]::string::String>
  18:     0x7f16334bda56 - <rustc_errors[db6e693a4d78f721]::Handler>::bug::<alloc[31842ca5441cdb56]::string::String>
  19:     0x7f163351142c - rustc_middle[c2d4873b804b2cf0]::util::bug::opt_span_bug_fmt::<rustc_span[7bbc48c8a570ee79]::span_encoding::Span>::{closure#0}
  20:     0x7f163350e2ca - rustc_middle[c2d4873b804b2cf0]::ty::context::tls::with_opt::<rustc_middle[c2d4873b804b2cf0]::util::bug::opt_span_bug_fmt<rustc_span[7bbc48c8a570ee79]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  21:     0x7f163350e29a - rustc_middle[c2d4873b804b2cf0]::ty::context::tls::with_context_opt::<rustc_middle[c2d4873b804b2cf0]::ty::context::tls::with_opt<rustc_middle[c2d4873b804b2cf0]::util::bug::opt_span_bug_fmt<rustc_span[7bbc48c8a570ee79]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  22:     0x7f163124f89d - rustc_middle[c2d4873b804b2cf0]::util::bug::bug_fmt
  23:     0x7f16314d0a24 - rustc_codegen_llvm[69782307a30a28b1]::debuginfo::metadata::type_di_node
  24:     0x7f1631c240ba - rustc_codegen_llvm[69782307a30a28b1]::debuginfo::metadata::build_global_var_di_node
  25:     0x7f1631c236e7 - <rustc_codegen_llvm[69782307a30a28b1]::context::CodegenCx as rustc_codegen_ssa[7cf51ec1c1d8e70f]::traits::statics::StaticMethods>::codegen_static
  26:     0x7f1631c0c8bc - rustc_codegen_llvm[69782307a30a28b1]::base::compile_codegen_unit::module_codegen
  27:     0x7f1631c0a109 - rustc_codegen_llvm[69782307a30a28b1]::base::compile_codegen_unit
  28:     0x7f1631c07901 - rustc_codegen_ssa[7cf51ec1c1d8e70f]::base::codegen_crate::<rustc_codegen_llvm[69782307a30a28b1]::LlvmCodegenBackend>
  29:     0x7f1631c0720f - <rustc_codegen_llvm[69782307a30a28b1]::LlvmCodegenBackend as rustc_codegen_ssa[7cf51ec1c1d8e70f]::traits::backend::CodegenBackend>::codegen_crate
  30:     0x7f16324fc0a2 - <rustc_session[5d8f1134011332b9]::session::Session>::time::<alloc[31842ca5441cdb56]::boxed::Box<dyn core[5a025f5ac19a3684]::any::Any>, rustc_interface[75da62af7afad68]::passes::start_codegen::{closure#0}>
  31:     0x7f16324fbc1b - rustc_interface[75da62af7afad68]::passes::start_codegen
  32:     0x7f16324f696d - <rustc_middle[c2d4873b804b2cf0]::ty::context::GlobalCtxt>::enter::<<rustc_interface[75da62af7afad68]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[5a025f5ac19a3684]::result::Result<alloc[31842ca5441cdb56]::boxed::Box<dyn core[5a025f5ac19a3684]::any::Any>, rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>
  33:     0x7f16324f50dd - <rustc_interface[75da62af7afad68]::queries::Queries>::ongoing_codegen
  34:     0x7f16324f3c3a - rustc_span[7bbc48c8a570ee79]::set_source_map::<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  35:     0x7f16324ec3f9 - <scoped_tls[5be461245172b0fd]::ScopedKey<rustc_span[7bbc48c8a570ee79]::SessionGlobals>>::set::<rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>
  36:     0x7f16324eb9f6 - std[5e6a7ab4ec51e2fa]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[75da62af7afad68]::util::run_in_thread_pool_with_globals<rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>
  37:     0x7f16324eb7a5 - <<std[5e6a7ab4ec51e2fa]::thread::Builder>::spawn_unchecked_<rustc_interface[75da62af7afad68]::util::run_in_thread_pool_with_globals<rustc_interface[75da62af7afad68]::interface::run_compiler<core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>, rustc_driver_impl[9fb98086b5dc1b8]::run_compiler::{closure#1}>::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5a025f5ac19a3684]::result::Result<(), rustc_span[7bbc48c8a570ee79]::ErrorGuaranteed>>::{closure#1} as core[5a025f5ac19a3684]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  38:     0x7f162fd75f55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3b57fe0fe8253eda
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/alloc/src/boxed.rs:1985:9
  39:     0x7f162fd75f55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6eac2c7c988070fa
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/alloc/src/boxed.rs:1985:9
  40:     0x7f162fd75f55 - std::sys::unix::thread::Thread::new::thread_start::h8d73f1104f34aa7b
                               at /rustc/1d7d82472617a4a0fea59c7e239c8a48c8ac5c34/library/std/src/sys/unix/thread.rs:108:17
  41:     0x7f162fb0f44b - <unknown>
  42:     0x7f162fb92e40 - <unknown>
  43:                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 1.72.0-nightly (1d7d82472 2023-06-17) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C debuginfo=2

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

[matthiaskrgr]

0cc541e cc @oli-obk