Fix _RegexParser build when using 5.6 host tools

hamishknight · hamishknight · commit d7b58ecd94ab · 2022-05-28T12:53:10.000+01:00
Add a type annotation to allow a
`--bootstrap=hosttools` compiler build to work
with a Swift 5.6 compiler.
diff --git a/Sources/_RegexParser/Utility/TypeConstruction.swift b/Sources/_RegexParser/Utility/TypeConstruction.swift
@@ -60,7 +60,7 @@ public enum TypeConstruction {
       flags |= 0x10000
     }
     
-    let result = elementTypes.withContiguousStorageIfAvailable { elementTypesBuffer in
+    let result = elementTypes.withContiguousStorageIfAvailable { elementTypesBuffer -> (value: Any.Type, state: Int) in
       if let labels = labels {
         return labels.withCString { labelsPtr in
           swift_getTupleTypeMetadata(

Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ public enum TypeConstruction {`
`60`	`60`	`flags \|= 0x10000`
`61`	`61`	`}`
`62`	`62`
`63`		`- let result = elementTypes.withContiguousStorageIfAvailable { elementTypesBuffer in`
	`63`	`+ let result = elementTypes.withContiguousStorageIfAvailable { elementTypesBuffer -> (value: Any.Type, state: Int) in`
`64`	`64`	`if let labels = labels {`
`65`	`65`	`return labels.withCString { labelsPtr in`
`66`	`66`	`swift_getTupleTypeMetadata(`