--- a/langtools/test/tools/javac/classfiles/attributes/lib/TestResult.java	Tue Mar 15 13:48:30 2016 -0700
+++ b/langtools/test/tools/javac/classfiles/attributes/lib/TestResult.java	Thu Mar 17 19:04:28 2016 +0000
@@ -78,7 +78,7 @@
         return checkEquals(actual, true, message);
     }
 
-    public boolean checkContains(Set<?> found, Set<?> expected, String message) {
+    public boolean checkContains(Collection<?> found, Collection<?> expected, String message) {
         Set<?> copy = new HashSet<>(expected);
         copy.removeAll(found);
         if (!found.containsAll(expected)) {