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rustdoc ICE: entered unreachable code on hidden tuple item #88600
Description
Code
pub enum Foo {
Test(#[doc(hidden)] Option<()>),
}panics when running cargo doc. This seems to come from
rust/src/librustdoc/html/render/print_item.rs
Line 943 in ed30993
cc #88391
Meta
rustc --version --verbose:
rustc 1.56.0-nightly (50171c310 2021-09-01)
binary: rustc
commit-hash: 50171c310cd15e1b2d3723766ce64e2e4d6696fc
commit-date: 2021-09-01
host: x86_64-pc-windows-msvc
release: 1.56.0-nightly
LLVM version: 13.0.0
Error output
cargo doc --no-deps
Documenting hidden v0.1.0-rc.1 (G:\workspace\small dev space\test_crate-version)
thread 'rustc' panicked at 'internal error: entered unreachable code', src\librustdoc\html\render\print_item.rs:943:80
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: internal compiler error: unexpected panic
error: Unrecognized option: 'crate-version'
error: could not document `hidden`
Caused by:
process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name hidden src\lib.rs -o "G:\workspace\small dev space\test_crate-version\target\doc" --error-format=json --json=diagnostic-rendered-ansi -L "dependency=G:\workspace\small dev space\test_crate-version\target\debug\deps" --crate-version 0.1.0-rc.1` (exit code: 1)
Backtrace
thread 'rustc' panicked at 'internal error: entered unreachable code', src\librustdoc\html\render\print_item.rs:943:80
stack backtrace:
0: 0x7ff80a64801e - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h97844c02df23ebf1
1: 0x7ff80a6728da - core::fmt::write::h7e004fee938dc3bd
2: 0x7ff80a63b388 - <std::io::IoSlice as core::fmt::Debug>::fmt::h34e482c524fdd2ee
3: 0x7ff80a64bab6 - std::panicking::take_hook::hd051283b0b015437
4: 0x7ff80a64b5c8 - std::panicking::take_hook::hd051283b0b015437
5: 0x7ff80390ad95 - <md5::Md5 as std::io::Write>::flush::h7054a9d890538508
6: 0x7ff80a64c3b0 - std::panicking::rust_panic_with_hook::h1dfae7c828339eef
7: 0x7ff80a64be3f - rust_begin_unwind
8: 0x7ff80a648947 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h97844c02df23ebf1
9: 0x7ff80a64bdc9 - rust_begin_unwind
10: 0x7ff80a6a8980 - core::panicking::panic_fmt::hec18c52ab5ec8c2e
11: 0x7ff80a6a88cc - core::panicking::panic::h5cccc34aab9ab48d
12: 0x7ff707957d6c - <unknown>
13: 0x7ff70794a0b7 - <unknown>
14: 0x7ff70793c43f - <unknown>
15: 0x7ff707947276 - <unknown>
16: 0x7ff707a41406 - <unknown>
17: 0x7ff70785ede5 - <unknown>
18: 0x7ff70797661a - <unknown>
19: 0x7ff70789aab3 - <unknown>
20: 0x7ff70796e8f4 - <unknown>
21: 0x7ff70789cf3a - <unknown>
22: 0x7ff70789363a - <unknown>
23: 0x7ff7079e6296 - <unknown>
24: 0x7ff707978de8 - <unknown>
25: 0x7ff70791d68d - <unknown>
26: 0x7ff80a65a64c - std::sys::windows::thread::Thread::new::h4e02b30388f9fde7
27: 0x7ff8dec054e0 - BaseThreadInitThunk
28: 0x7ff8dfa2485b - RtlUserThreadStart
Activity
[-]rustdoc ICE: entered unreachable code[/-][+]rustdoc ICE: entered unreachable code on hidden tuple item[/+]jyn514 commentedon Sep 5, 2021
@Emilgardis what is that attribute intended to do? Enum fields are always public.
Emilgardis commentedon Sep 5, 2021
I wanted to hide the field from docs because it was not important. But I agree it's probably a bit strange.
camelid commentedon Sep 5, 2021
Assigning priority as discussed in the prioritization working group.
Rollup merge of rust-lang#88639 - Emilgardis:fix-issue-88600, r=Guill…
Rollup merge of rust-lang#88639 - Emilgardis:fix-issue-88600, r=Guill…