diff -r 000000000000 -r 959103a6100f test/tools/javac/generics/6677785/T6677785.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/6677785/T6677785.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,12 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug     6677785
+ * @summary REGRESSION: StackOverFlowError with Cyclic Class level Type Parameters when used in constructors
+ * @author Maurizio Cimadamore
+ * @compile/fail/ref=T6677785.out -XDrawDiagnostics T6677785.java
+ */
+public class T6677785<E extends T, T extends E> {
+     T6677785() {}
+     T6677785(E e) {}
+     T6677785(E e, T t) {}
+}