--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/generics/RefEqual.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,15 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 4948130
+ * @summary casting conversion checks changed for covariant returns
+ * @author gafter
+ *
+ * @compile/fail/ref=RefEqual.out -XDrawDiagnostics  RefEqual.java
+ */
+
+class RefEqual {
+    {
+        Class c = null;
+        if (String.class != Integer.class) ;
+    }
+}