Test accessing class object from java

compiler/testData/codegen/boxWithJava/classObjectAccessor/classObject.kt

@@ -0,0 +1,17 @@
+class A {
+    class object {
+        val i1 = 1
+        val i2 = 2
+    }
+}
+
+class B {
+    class object Named {
+        val i1 = 3
+        val i2 = 4
+    }
+}
+
+fun box(): String {
+    return if (J.f() == A.i1 + A.i2 + B.i1 + B.i2) "OK" else "Fail: ${J.f()}"
+}