31bc7e2c47
Rollup of 7 pull requests Successful merges: - #116862 (Detect when trait is implemented for type and suggest importing it) - #117389 (Some diagnostics improvements of `gen` blocks) - #117396 (Don't treat closures/coroutine types as part of the public API) - #117398 (Correctly handle nested or-patterns in exhaustiveness) - #117403 (Poison check_well_formed if method receivers are invalid to prevent typeck from running on it) - #117411 (Improve some diagnostics around `?Trait` bounds) - #117414 (Don't normalize to an un-revealed opaque when we hit the recursion limit) r? `@ghost` `@rustbot` modify labels: rollup
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.