Erik Eckstein 34d79e3799 CapturePropagation: specialize closures which capture a constant keypath ...

This optimizes keypath-closures, like
```
   a.map { \.x }
```
It results in a significant performance improvement for such code patterns.

rdar://87968067

2022-02-01 09:22:07 +01:00

4.4 KiB

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