--- old/test/jdk/sun/misc/UnsafeFieldOffsets.java	2020-03-31 19:14:17.000000000 -0700
+++ new/test/jdk/sun/misc/UnsafeFieldOffsets.java	2020-03-31 19:14:16.000000000 -0700
@@ -65,8 +65,7 @@
         try {
             byte[] bytes = Files.readAllBytes(cf);
             Class<?> c = MethodHandles.lookup().defineHiddenClass(bytes, true).lookupClass();
-            if (!c.isHiddenClass())
-                throw new RuntimeException("Expected hidden class: " + c);
+            assertHiddenClass(c);
             return c;
         } catch (IOException e) {
             throw new UncheckedIOException(e);
@@ -110,12 +109,12 @@
     }
 
     private static void assertNonHiddenClass(Class<?> c) {
-        if (c.isHiddenClass())
+        if (c.isHidden())
             throw new RuntimeException("Expected UOE but not thrown: " + c);
     }
 
     private static void assertHiddenClass(Class<?> c) {
-        if (!c.isHiddenClass())
+        if (!c.isHidden())
             throw new RuntimeException("Expected hidden class but is not: " + c);
     }
 }