Merge pull request #1647 from johnno1962a/master

New test for common SourceKit crash

Author: tkremenek

test/SourceKit/CursorInfo/result_test.swift

@@ -0,0 +1,24 @@
+// Checks that SourceKit does not crash for enum patterns in generics.
+// RUN: %sourcekitd-test -req cursor -pos 18:15 %s -- %s | FileCheck %s
+// CHECK: source.lang.swift.ref.enumelement (12:10-12:17)
+
+public protocol MyErrorType {
+}
+
+enum MyErrorEnum: MyErrorType {
+}
+
+public enum ResultTest<Value, Error: MyErrorType> {
+    case Success(Value)
+    case Failure(Error)
+
+    /// Returns `true` if the result is a success, `false` otherwise.
+    public var isSuccess: Bool {
+        switch self {
+        case .Success:
+            return true
+        case .Failure:
+            return false
+        }
+    }
+}