8068416: LFGarbageCollectedTest.java fails with OOME: "GC overhead limit exceeded"

Reviewed-by: vlivanov

test/java/lang/invoke/LFCaching/LFGarbageCollectedTest.java

 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,6 +24,7 @@
 /*
  * @test LFGarbageCollectedTest
  * @bug 8046703
+ * @ignore 8078602
  * @summary Test verifies that lambda forms are garbage collected
  * @author kshefov
  * @library /lib/testlibrary/jsr292 /lib/testlibrary