Minor, add test on Java enum with specialized entry

compiler/testData/loadJava/compiledJava/enum/EnumWithSpecializedEntry.java

@@ -0,0 +1,13 @@
+package test;
+
+public enum EnumWithSpecializedEntry {
+    E1,
+
+    E2 {
+        String foo() {
+            return name();
+        }
+    };
+
+    static class Nested {}
+}