Results 92 comments of Doug Gregor

https://github.com/apple/swift/pull/68401 @swift-ci please clean test Linux

### Performance (x86_64): -O **Regression** | **OLD** | **NEW** | **DELTA** | **RATIO** :--- | ---: | ---: | ---: | ---: FlattenListFlatMap | 2853.0 | 4297.0 | +50.6% |...

@benrimmington (EDITED) the default implementations use `_precondition`, which is the right thing: we're already unconditionally doing bounds checking, so there's nothing to update. What do you think about providing specific...