diff -r 000000000000 -r 959103a6100f test/tools/javac/defaultMethods/Neg05.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/defaultMethods/Neg05.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,16 @@
+/* @test /nodynamiccopyright/
+ * @bug 7192246
+ * @summary check that abstract methods are compatible with inherited defaults
+ * @compile/fail/ref=Neg05.out -XDrawDiagnostics Neg05.java
+ */
+
+class Neg05 {
+    interface IA1 { default Number m() { return Neg05.m1(this); } }
+    interface IA2 extends IA1 { default Integer m() { return Neg05.m2(this); } }
+    interface IA3 extends IA2 { Number m(); } //error
+
+    static class C implements IA3{}
+
+    static int m1(IA1 a) { return 0; }
+    static int m2(IA2 b) { return 0; }
+}