Wanton microoptimization for -[_SwiftNativeNSError classForCoder]

jckarter · jckarter · commit 4ce8645501de · 2016-05-09T11:18:34.000-07:00
We have a static cache var for [NSError class], so save an objc_msgSend here
diff --git a/stdlib/public/runtime/ErrorObject.mm b/stdlib/public/runtime/ErrorObject.mm
@@ -98,7 +98,7 @@ - (id)copyWithZone:(NSZone *)zone {
 - (Class)classForCoder {
   // This is a runtime-private subclass. When archiving or unarchiving, do so
   // as an NSError.
-  return [NSError class];
+  return getNSErrorClass();
 }
 
 @end

Original file line number	Diff line number	Diff line change
`@@ -98,7 +98,7 @@ - (id)copyWithZone:(NSZone *)zone {`
`98`	`98`	`- (Class)classForCoder {`
`99`	`99`	`// This is a runtime-private subclass. When archiving or unarchiving, do so`
`100`	`100`	`// as an NSError.`
`101`		`- return [NSError class];`
	`101`	`+ return getNSErrorClass();`
`102`	`102`	`}`
`103`	`103`
`104`	`104`	`@end`