Swiftch Dictionary.subscript(_:default:) to use _modify (#19218)

airspeedswift · web-flow · commit 2292df33a2fb · 2018-09-11T14:25:46.000-07:00
diff --git a/stdlib/public/core/Dictionary.swift b/stdlib/public/core/Dictionary.swift
@@ -926,11 +926,11 @@ extension Dictionary {
     get {
       return _variant.maybeGet(key) ?? defaultValue()
     }
-    mutableAddressWithNativeOwner {
+    _modify {
       let (_, address) = _variant.pointerToValue(
         forKey: key,
         insertingDefault: defaultValue)
-      return (address, Builtin.castToNativeObject(_variant.asNative._storage))
+      yield &address.pointee
     }
   }
 

Original file line number	Diff line number	Diff line change
`@@ -926,11 +926,11 @@ extension Dictionary {`
`926`	`926`	`get {`
`927`	`927`	`return _variant.maybeGet(key) ?? defaultValue()`
`928`	`928`	`}`
`929`		`- mutableAddressWithNativeOwner {`
	`929`	`+ _modify {`
`930`	`930`	`let (_, address) = _variant.pointerToValue(`
`931`	`931`	`forKey: key,`
`932`	`932`	`insertingDefault: defaultValue)`
`933`		`- return (address, Builtin.castToNativeObject(_variant.asNative._storage))`
	`933`	`+ yield &address.pointee`
`934`	`934`	`}`
`935`	`935`	`}`
`936`	`936`