Fix when object not AnyHashable

johnno1962 · johnno1962 · commit 088cf0b50cad · 2017-09-27T12:21:34.000+01:00
diff --git a/Foundation/NSKeyedArchiver.swift b/Foundation/NSKeyedArchiver.swift
@@ -553,9 +553,11 @@ open class NSKeyedArchiver : NSCoder {
         }
         
         // check replacement cache
-        objectToEncode = self._replacementMap[object as! AnyHashable]
-        if objectToEncode != nil {
-            return objectToEncode
+        if let hashable = object as? AnyHashable {
+            objectToEncode = self._replacementMap[hashable]
+            if objectToEncode != nil {
+                return objectToEncode
+            }
         }
         
         // object replaced by NSObject.replacementObject(for:)

Original file line number	Diff line number	Diff line change
`@@ -553,9 +553,11 @@ open class NSKeyedArchiver : NSCoder {`
`553`	`553`	`}`
`554`	`554`
`555`	`555`	`// check replacement cache`
`556`		`- objectToEncode = self._replacementMap[object as! AnyHashable]`
`557`		`- if objectToEncode != nil {`
`558`		`- return objectToEncode`
	`556`	`+ if let hashable = object as? AnyHashable {`
	`557`	`+ objectToEncode = self._replacementMap[hashable]`
	`558`	`+ if objectToEncode != nil {`
	`559`	`+ return objectToEncode`
	`560`	`+ }`
`559`	`561`	`}`
`560`	`562`
`561`	`563`	`// object replaced by NSObject.replacementObject(for:)`