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ICE: rustdoc: unimplemented type Typeof(AnonConst... #102986

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matthiaskrgr opened this issue Oct 12, 2022 · 6 comments · Fixed by #103006
Closed

ICE: rustdoc: unimplemented type Typeof(AnonConst... #102986

matthiaskrgr opened this issue Oct 12, 2022 · 6 comments · Fixed by #103006
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@WaffleLapkin
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.

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@matthiaskrgr
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matthiaskrgr commented Oct 12, 2022 •
edited by rustbot

Code

struct Struct {
    y: (typeof("hey"),),
}

pub fn main() {}

Meta

rustdoc --version --verbose:

rustdoc 1.66.0-nightly (c0983a9aa 2022-10-12)
binary: rustdoc
commit-hash: c0983a9aac889d16722a12602ac678051e62c3fb
commit-date: 2022-10-12
host: x86_64-unknown-linux-gnu
release: 1.66.0-nightly
LLVM version: 15.0.2

Error output

error[E0516]: `typeof` is a reserved keyword but unimplemented
 --> /home/matthias/vcs/github/glacier2/fixed/100183.rs:2:9
  |
2 |     y: (typeof("hey"),),
  |         ^^^^^^^^^^^^^ reserved keyword
  |
help: consider replacing `typeof(...)` with an actual type
  |
2 |     y: (&'static str,),
  |         ~~~~~~~~~~~~
Backtrace 

thread 'rustc' panicked at 'unimplemented type Typeof(AnonConst { hir_id: HirId { owner: OwnerId { def_id: DefId(0:3 ~ 100183[0b08]::Struct) }, local_id: 1 }, body: BodyId { hir_id: HirId { owner: OwnerId { def_id: DefId(0:3 ~ 100183[0b08]::Struct) }, local_id: 2 } } })', src/librustdoc/clean/mod.rs:1547:31
stack backtrace:
   0:     0x7fe4d59d8510 - std::backtrace_rs::backtrace::libunwind::trace::h3e77d209dbe25d44
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   1:     0x7fe4d59d8510 - std::backtrace_rs::backtrace::trace_unsynchronized::h7b51789e46abdb59
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fe4d59d8510 - std::sys_common::backtrace::_print_fmt::h29c0cf5b16446d6c
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7fe4d59d8510 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he2b16940c12b0a1c
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7fe4d5a3452e - core::fmt::write::h87402e19ed548a07
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/core/src/fmt/mod.rs:1209:17
   5:     0x7fe4d59c88d5 - std::io::Write::write_fmt::h4871973da13e833c
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/io/mod.rs:1680:15
   6:     0x7fe4d59db2b3 - std::sys_common::backtrace::_print::hfbc51fe555810664
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7fe4d59db2b3 - std::sys_common::backtrace::print::h51f4b0d418249766
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7fe4d59db2b3 - std::panicking::default_hook::{{closure}}::h9a4f152744c1006f
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/panicking.rs:267:22
   9:     0x7fe4d59daf8a - std::panicking::default_hook::h342cf3f3815b35a4
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/panicking.rs:286:9
  10:     0x7fe4d83110c4 - <rustc_driver[2ce373a3066cd694]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[b44479f04a4f3c57]::ops::function::FnOnce<(&core[b44479f04a4f3c57]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  11:     0x7fe4d59dbbe9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h14db2eb2fca0bbfe
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/alloc/src/boxed.rs:1952:9
  12:     0x7fe4d59dbbe9 - std::panicking::rust_panic_with_hook::hf0aa4307dfa3e7bd
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/panicking.rs:692:13
  13:     0x7fe4d59db967 - std::panicking::begin_panic_handler::{{closure}}::h75ee99c9aa66f273
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/panicking.rs:579:13
  14:     0x7fe4d59d89bc - std::sys_common::backtrace::__rust_end_short_backtrace::h4b65f67219b426e3
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/sys_common/backtrace.rs:138:18
  15:     0x7fe4d59db682 - rust_begin_unwind
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/panicking.rs:575:5
  16:     0x7fe4d5a30f13 - core::panicking::panic_fmt::hcf2951a500cefd44
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/core/src/panicking.rs:65:14
  17:     0x555ff4952ff7 - rustdoc[fce5af949b2e06f1]::clean::clean_ty
  18:     0x555ff475e33e - <alloc[9b336c69fc0e610]::vec::Vec<rustdoc[fce5af949b2e06f1]::clean::types::Type> as alloc[9b336c69fc0e610]::vec::spec_from_iter::SpecFromIter<rustdoc[fce5af949b2e06f1]::clean::types::Type, core[b44479f04a4f3c57]::iter::adapters::map::Map<core[b44479f04a4f3c57]::slice::iter::Iter<rustc_hir[6028453cf4b2108a]::hir::Ty>, rustdoc[fce5af949b2e06f1]::clean::clean_ty::{closure#0}>>>::from_iter
  19:     0x555ff4952d6a - rustdoc[fce5af949b2e06f1]::clean::clean_ty
  20:     0x555ff475d6b7 - <alloc[9b336c69fc0e610]::vec::Vec<rustdoc[fce5af949b2e06f1]::clean::types::Item> as alloc[9b336c69fc0e610]::vec::spec_from_iter::SpecFromIter<rustdoc[fce5af949b2e06f1]::clean::types::Item, core[b44479f04a4f3c57]::iter::adapters::map::Map<core[b44479f04a4f3c57]::slice::iter::Iter<rustc_hir[6028453cf4b2108a]::hir::FieldDef>, rustdoc[fce5af949b2e06f1]::clean::clean_maybe_renamed_item::{closure#1}::{closure#4}>>>::from_iter
  21:     0x555ff484c012 - <rustdoc[fce5af949b2e06f1]::core::DocContext>::with_param_env::<alloc[9b336c69fc0e610]::vec::Vec<rustdoc[fce5af949b2e06f1]::clean::types::Item>, rustdoc[fce5af949b2e06f1]::clean::clean_maybe_renamed_item::{closure#1}>
  22:     0x555ff4945a1b - <&mut rustdoc[fce5af949b2e06f1]::clean::clean_doc_module::{closure#2} as core[b44479f04a4f3c57]::ops::function::FnOnce<(&(&rustc_hir[6028453cf4b2108a]::hir::Item, core[b44479f04a4f3c57]::option::Option<rustc_span[a1e896da66381243]::symbol::Symbol>),)>>::call_once
  23:     0x555ff474d37a - <alloc[9b336c69fc0e610]::vec::Vec<rustdoc[fce5af949b2e06f1]::clean::types::Item> as alloc[9b336c69fc0e610]::vec::spec_extend::SpecExtend<rustdoc[fce5af949b2e06f1]::clean::types::Item, core[b44479f04a4f3c57]::iter::adapters::flatten::FlatMap<core[b44479f04a4f3c57]::slice::iter::Iter<(&rustc_hir[6028453cf4b2108a]::hir::Item, core[b44479f04a4f3c57]::option::Option<rustc_span[a1e896da66381243]::symbol::Symbol>)>, alloc[9b336c69fc0e610]::vec::Vec<rustdoc[fce5af949b2e06f1]::clean::types::Item>, rustdoc[fce5af949b2e06f1]::clean::clean_doc_module::{closure#2}>>>::spec_extend
  24:     0x555ff4949cc0 - rustdoc[fce5af949b2e06f1]::clean::clean_doc_module
  25:     0x555ff47df064 - rustdoc[fce5af949b2e06f1]::clean::utils::krate
  26:     0x555ff4882f44 - <rustc_session[6fcce47f22942431]::session::Session>::time::<rustdoc[fce5af949b2e06f1]::clean::types::Crate, rustdoc[fce5af949b2e06f1]::core::run_global_ctxt::{closure#4}>
  27:     0x555ff4854511 - rustdoc[fce5af949b2e06f1]::core::run_global_ctxt
  28:     0x555ff488336f - <rustc_session[6fcce47f22942431]::session::Session>::time::<(rustdoc[fce5af949b2e06f1]::clean::types::Crate, rustdoc[fce5af949b2e06f1]::config::RenderOptions, rustdoc[fce5af949b2e06f1]::formats::cache::Cache), rustdoc[fce5af949b2e06f1]::main_options::{closure#0}::{closure#0}::{closure#1}::{closure#0}>
  29:     0x555ff48e9871 - <rustc_interface[36e01ffb98afbff3]::passes::QueryContext>::enter::<rustdoc[fce5af949b2e06f1]::main_options::{closure#0}::{closure#0}::{closure#1}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>
  30:     0x555ff4808acb - <rustc_interface[36e01ffb98afbff3]::interface::Compiler>::enter::<rustdoc[fce5af949b2e06f1]::main_options::{closure#0}::{closure#0}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>
  31:     0x555ff49e7b80 - rustc_span[a1e896da66381243]::with_source_map::<core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>, rustc_interface[36e01ffb98afbff3]::interface::create_compiler_and_run<core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>, rustdoc[fce5af949b2e06f1]::main_options::{closure#0}>::{closure#1}>
  32:     0x555ff480d45e - rustc_interface[36e01ffb98afbff3]::interface::create_compiler_and_run::<core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>, rustdoc[fce5af949b2e06f1]::main_options::{closure#0}>
  33:     0x555ff46cb460 - rustdoc[fce5af949b2e06f1]::main_options
  34:     0x555ff480aaab - <scoped_tls[a9b05a2643ce58fe]::ScopedKey<rustc_span[a1e896da66381243]::SessionGlobals>>::set::<rustdoc[fce5af949b2e06f1]::main_args::{closure#0}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>
  35:     0x555ff4984fb0 - std[a7762567910d876]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[36e01ffb98afbff3]::util::run_in_thread_pool_with_globals<rustdoc[fce5af949b2e06f1]::main_args::{closure#0}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>::{closure#0}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>
  36:     0x555ff46ab9e4 - <<std[a7762567910d876]::thread::Builder>::spawn_unchecked_<rustc_interface[36e01ffb98afbff3]::util::run_in_thread_pool_with_globals<rustdoc[fce5af949b2e06f1]::main_args::{closure#0}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>::{closure#0}, core[b44479f04a4f3c57]::result::Result<(), rustc_errors[f1492c8dc3d41fc3]::ErrorGuaranteed>>::{closure#1} as core[b44479f04a4f3c57]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  37:     0x7fe4d59e5703 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hedc2749a204bec26
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/alloc/src/boxed.rs:1938:9
  38:     0x7fe4d59e5703 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hffc7feefd4927bf2
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/alloc/src/boxed.rs:1938:9
  39:     0x7fe4d59e5703 - std::sys::unix::thread::Thread::new::thread_start::hfe6e8fbc240c0d8a
                               at /rustc/c0983a9aac889d16722a12602ac678051e62c3fb/library/std/src/sys/unix/thread.rs:108:17
  40:     0x7fe4d571b8fd - <unknown>
  41:     0x7fe4d579da60 - <unknown>
  42:                0x0 - <unknown>

error: internal compiler error: unexpected panic

note: 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: rustc 1.66.0-nightly (c0983a9aa 2022-10-12) running on x86_64-unknown-linux-gnu

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

@matthiaskrgr matthiaskrgr added T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. C-bug Category: This is a bug. labels Oct 12, 2022
@compiler-errors
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cc @WaffleLapkin 😄

@compiler-errors
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This really should fail before rustdoc gets to it, unless rustdoc has a ty::Error representation 🤔

@WaffleLapkin
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An (the?) interesting bit here is that it's a very recent regression, for instance nightly-2022-10-11 does not produce an ICE:

; rustdoc +nightly-2022-10-11 t.rs
error[E0516]: `typeof` is a reserved keyword but unimplemented
 --> t.rs:2:9
  |
2 |     y: (typeof("hey"),),
  |         ^^^^^^^^^^^^^ reserved keyword
  |
help: consider replacing `typeof(...)` with an actual type
  |
2 |     y: (&'static str,),
  |         ~~~~~~~~~~~~

error: aborting due to previous error

For more information about this error, try `rustc --explain E0516`.

@WaffleLapkin
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@rustbot claim

@WaffleLapkin WaffleLapkin mentioned this issue Oct 13, 2022
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@compiler-errors
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This regressed in #102890 cc @camsteffen

@camsteffen
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Hmm I don't know how that caused it.

matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Oct 13, 2022
@matthiaskrgr
Rollup merge of rust-lang#103006 - WaffleLapkin:rustdoc_dont, r=compi…
e35ac3d 
…ler-errors

rustdoc: don't ICE on `TyKind::Typeof`

Fixes rust-lang#102986

I'm not sure why rustdoc started seeing `TyKind::Typeof` all of a sudden (the code being editted was last touched 3 months ago), probably something to do with error recovery? idk.
@bors bors closed this as completed in 9692d98 Oct 14, 2022
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Labels
C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
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rustdoc: don't ICE on TyKind::Typeof WaffleLapkin/rust
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@matthiaskrgr @compiler-errors @camsteffen @WaffleLapkin