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force-warns panics with unknown lint name #86958
Description
Using the --force-warns option with an unknown lint name causes an ICE.
rustc +nightly --force-warns=abc -Zunstable-options foo.rs
I expected to see this happen: Issue a E0602 error.
Meta
rustc --version --verbose:
rustc 1.55.0-nightly (885399992 2021-07-06)
binary: rustc
commit-hash: 885399992c4c1dde37b506b8507a7d69415646b9
commit-date: 2021-07-06
host: x86_64-apple-darwin
release: 1.55.0-nightly
LLVM version: 12.0.1
Backtrace
thread 'rustc' panicked at 'compiler/rustc_lint/src/levels.rs:117:37: A valid lint failed to produce a lint ids', compiler/rustc_middle/src/util/bug.rs:35:26
stack backtrace:
0: std::panicking::begin_panic
1: std::panic::panic_any
2: rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}
3: rustc_middle::ty::context::tls::with_opt::{{closure}}
4: rustc_middle::ty::context::tls::with_opt
5: rustc_middle::util::bug::opt_span_bug_fmt
6: rustc_middle::util::bug::bug_fmt
7: rustc_lint::levels::LintLevelsBuilder::process_command_line::{{closure}}
8: rustc_lint::levels::LintLevelsBuilder::new
9: rustc_lint::context::EarlyContext::new
10: rustc_lint::early::check_ast_crate
11: rustc_interface::passes::pre_expansion_lint
12: rustc_interface::passes::configure_and_expand
13: rustc_interface::queries::Queries::expansion
14: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
15: rustc_span::with_source_map
16: rustc_interface::interface::create_compiler_and_run
17: scoped_tls::ScopedKey<T>::set
cc @rylev
Activity
inquisitivecrystal commentedon Jul 8, 2021
@rustbot claim
I'm going to take a look at this. I'm also going to see if I can fix the problem you mentioned at #86009 (comment) while I'm at it.
ehuss commentedon Jul 8, 2021
Just FYI, the cap-lints issue has been fixed by #86572.
inquisitivecrystal commentedon Jul 8, 2021
Good to know!
Rollup merge of rust-lang#86970 - inquisitivecrystal:force-warn, r=da…
Rollup merge of rust-lang#86970 - inquisitivecrystal:force-warn, r=da…
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