Switch Dictionary.Values.subscript to use _modify (#19222)

airspeedswift · web-flow · commit d86d972d47aa · 2018-09-11T14:07:45.000-07:00
diff --git a/stdlib/public/core/Dictionary.swift b/stdlib/public/core/Dictionary.swift
@@ -1442,9 +1442,9 @@ extension Dictionary {
       get {
         return _variant.assertingGet(at: position).value
       }
-      mutableAddressWithNativeOwner {
+      _modify {
         let address = _variant.pointerToValue(at: position)
-        return (address, Builtin.castToNativeObject(_variant.asNative._storage))
+        yield &address.pointee
       }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -1442,9 +1442,9 @@ extension Dictionary {`
`1442`	`1442`	`get {`
`1443`	`1443`	`return _variant.assertingGet(at: position).value`
`1444`	`1444`	`}`
`1445`		`- mutableAddressWithNativeOwner {`
	`1445`	`+ _modify {`
`1446`	`1446`	`let address = _variant.pointerToValue(at: position)`
`1447`		`- return (address, Builtin.castToNativeObject(_variant.asNative._storage))`
	`1447`	`+ yield &address.pointee`
`1448`	`1448`	`}`
`1449`	`1449`	`}`
`1450`	`1450`