rust/compiler/rustc_mir_build
Guillaume Gomez 7d8f74f8b2
Rollup merge of #121917 - GuillaumeGomez:pattern-complexity_limit.rs, r=Nadrieril
Add new `pattern_complexity` attribute to add possibility to limit and check recursion in pattern matching

Needed for https://github.com/rust-lang/rust-analyzer/issues/9528.

This PR adds a new attribute only available when running rust testsuite called `pattern_complexity` which allows to set the maximum recursion for the pattern matching. It is quite useful to ensure the complexity doesn't grow, like in `tests/ui/pattern/usefulness/issue-118437-exponential-time-on-diagonal-match.rs`.

r? `@Nadrieril`
2024-03-03 14:07:43 +01:00
..