rust/clippy_lints at be01b983c48b75f4a7602f1e4568cd75c0b280ee - rust

History

bors be01b983c4 Auto merge of #10533 - Nilstrieb:cache, r=dswij

Significantly optimize `significant_drop_tightening`

The lint is very slow as it doesn't cache the deeply nested check for the attribute. If we cache it, we can reduce the time spent on checking `rustc_borrowck` from 28s to 9s, which is a nice improvement. In the profile, the time inside `has_sig_drop_attr` goes from 66% to 0.2%, which is a lot more reasonable.

<details>
<summary>Flame graphs</summary>

Before (all the tall `clippy` towers are `has_sig_drop_attr`):
![before](https://user-images.githubusercontent.com/48135649/227037243-bcd93bbe-a4ad-45c3-be25-2b021b12a5c0.svg)

After:
![after](https://user-images.githubusercontent.com/48135649/227040322-8d3f0448-18e3-4923-8187-c72df324a3fa.svg)
</details>

Fixes #10532

changelog: [`significant_drop_tightening`]: significantly optimized

2023-03-23 09:23:07 +00:00

src

Auto merge of #10533 - Nilstrieb:cache, r=dswij

2023-03-23 09:23:07 +00:00

Cargo.toml

Bump Clippy version -> 0.1.70

2023-03-10 10:22:27 +01:00

README.md

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README.md

This crate contains Clippy lints. For the main crate, check GitHub.