[stdlib] Add '@_frozen' to overlay enums that need it

jrose-apple · jrose-apple · commit 3866535e0427 · 2018-03-20T14:53:55.000-07:00
That's just ARCamera.TrackingState and DispatchTimeoutResult.
Verified with the framework owners at Apple.
diff --git a/stdlib/public/SDK/ARKit/ARKit.swift b/stdlib/public/SDK/ARKit/ARKit.swift
@@ -17,6 +17,7 @@ extension ARCamera {
     /**
      A value describing the camera's tracking state.
      */
+    @_frozen
     public enum TrackingState {
         public enum Reason {
             /** Tracking is limited due to initialization in progress. */
diff --git a/stdlib/public/SDK/Dispatch/Dispatch.swift b/stdlib/public/SDK/Dispatch/Dispatch.swift
@@ -121,7 +121,7 @@ public struct DispatchQoS : Equatable {
 }
 
 /// 
-
+@_frozen
 public enum DispatchTimeoutResult {
 	case success
 	case timedOut

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,7 @@ public struct DispatchQoS : Equatable {`
`121`	`121`	`}`
`122`	`122`
`123`	`123`	`///`
`124`		`-`
	`124`	`+@_frozen`
`125`	`125`	`public enum DispatchTimeoutResult {`
`126`	`126`	`case success`
`127`	`127`	`case timedOut`