Merge pull request #27828 from slavapestov/changelog-entry-local-default-arg-captures

Changelog entry for #27220

Author: slavapestov

CHANGELOG.md

@@ -26,6 +26,21 @@ CHANGELOG
 Swift 5.2
 ---------
 
+* [SR-2189][]:
+
+  The compiler now supports local functions whose default arguments capture
+  values from outer scopes.
+
+  ```swift
+  func outer(x: Int) -> (Int, Int) {
+    func inner(y: Int = x) -> Int {
+      return y
+    }
+
+    return (inner(), inner(y: 0))
+  }
+  ```
+
 * [SR-11429][]:
 
   The compiler will now correctly strip argument labels from function references
@@ -7803,6 +7818,7 @@ Swift 1.0
 [SR-1529]: <https://bugs.swift.org/browse/SR-1529>
 [SR-2131]: <https://bugs.swift.org/browse/SR-2131>
 [SR-2176]: <https://bugs.swift.org/browse/SR-2176>
+[SR-2189]: <https://bugs.swift.org/browse/SR-2189>
 [SR-2388]: <https://bugs.swift.org/browse/SR-2388>
 [SR-2394]: <https://bugs.swift.org/browse/SR-2394>
 [SR-2608]: <https://bugs.swift.org/browse/SR-2608>