Upstream oklog/run state of the touched files before 8b4632a8c6

actors.go

@@ -82,15 +82,14 @@ func (e SignalError) Is(err error) bool {
 }
 
 // As fixes a design error in the SignalError type, so that errors.As with the
-// literal `&SignalError{}` will return true and, per the errors.As contract,
-// populate target with the underlying signal.
+// literal `&SignalError{}` will return true.
 func (e SignalError) As(target interface{}) bool {
-	t, ok := target.(*SignalError)
-	if !ok {
+	switch target.(type) {
+	case *SignalError, SignalError:
+		return true
+	default:
 		return false
 	}
-	*t = e
-	return true
 }
 
 // ErrSignal is returned by SignalHandler when a signal triggers termination.