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Use -Wunused_crate_dependencies for compiler crates.

It's very useful. There are some false positives involving integration
tests in `rustc_pattern_analysis` and `rustc_serialize`. There is also a
false positive involving `rustc_driver_impl`'s
`rustc_randomized_layouts` feature. And I removed a `rustc_span` mention
in a doc comment in `rustc_log` because it wasn't integral to the
comment but caused a dev-dependency.
This commit is contained in:
Nicholas Nethercote 2025-03-03 18:59:30 +11:00
parent 1aeb99d248
commit 8121958fda
28 changed files with 42 additions and 53 deletions

View file

@ -11,11 +11,6 @@ tracing-subscriber = { version = "0.3.3", default-features = false, features = [
tracing-tree = "0.3.1"
# tidy-alphabetical-end
[dev-dependencies]
# tidy-alphabetical-start
rustc_span = { path = "../rustc_span" }
# tidy-alphabetical-end
[features]
# tidy-alphabetical-start
max_level_info = ['tracing/max_level_info']

View file

@ -9,17 +9,12 @@
//! [dependencies]
//! rustc_ast = { path = "../rust/compiler/rustc_ast" }
//! rustc_log = { path = "../rust/compiler/rustc_log" }
//! rustc_span = { path = "../rust/compiler/rustc_span" }
//! ```
//!
//! ```
//! fn main() {
//! rustc_log::init_logger(rustc_log::LoggerConfig::from_env("LOG")).unwrap();
//!
//! let edition = rustc_span::edition::Edition::Edition2021;
//! rustc_span::create_session_globals_then(edition, None, || {
//! /* ... */
//! });
//! /* ... */
//! }
//! ```
//!