diff -r f1f605f85850 -r 2620c953e9fe test/tools/javac/6563143/OverridesEqualsButNotHashCodeTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/6563143/OverridesEqualsButNotHashCodeTest.java	Mon Feb 18 14:33:25 2013 +0000
@@ -0,0 +1,22 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 6563143
+ * @summary javac should issue a warning for overriding equals without hashCode
+ * @compile/ref=OverridesEqualsButNotHashCodeTest.out -Xlint:overrides -XDrawDiagnostics OverridesEqualsButNotHashCodeTest.java
+ */
+
+@SuppressWarnings("overrides")
+public class OverridesEqualsButNotHashCodeTest {
+    @Override
+    public boolean equals(Object o) {
+        return o == this;
+    }
+}
+
+class Other {
+    @Override
+    public boolean equals(Object o) {
+        return o == this;
+    }
+}
+