Merge pull request swiftlang#1300 from rudkx/fix-iuo-cast

rudkx · web-flow · commit 3a74bac8f4d2 · 2017-11-06T13:49:25.000-08:00
Fix cast that is disallowed by SE-0054.
diff --git a/Foundation/NSKeyedArchiverHelpers.swift b/Foundation/NSKeyedArchiverHelpers.swift
@@ -29,7 +29,7 @@ internal class _NSKeyedArchiverUID : NSObject {
     }
 
     open override var hash: Int {
-        return Int(bitPattern: CFHash(_cfObject as CFTypeRef!))
+        return Int(bitPattern: CFHash(_cfObject as CFTypeRef?))
     }
     
     open override func isEqual(_ object: Any?) -> Bool {

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ internal class _NSKeyedArchiverUID : NSObject {`
`29`	`29`	`}`
`30`	`30`
`31`	`31`	`open override var hash: Int {`
`32`		`- return Int(bitPattern: CFHash(_cfObject as CFTypeRef!))`
	`32`	`+ return Int(bitPattern: CFHash(_cfObject as CFTypeRef?))`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`open override func isEqual(_ object: Any?) -> Bool {`