Inaccessible outer class member is now an error

#KT-1174 In Progress

compiler/testData/diagnostics/tests/inner/modality.kt

@@ -0,0 +1,17 @@
+class Outer {
+    open class OpenNested
+    class FinalNested
+    
+    open inner class OpenInner
+    class FinalInner
+
+    class Nested1 : OpenNested()
+    class Nested2 : <!FINAL_SUPERTYPE!>FinalNested<!>()
+    class Nested3 : <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>OpenInner()<!>
+    class Nested4 : <!FINAL_SUPERTYPE!>FinalInner<!>()
+
+    inner class Inner1 : OpenNested()
+    inner class Inner2 : <!FINAL_SUPERTYPE!>FinalNested<!>()
+    inner class Inner3 : OpenInner()
+    inner class Inner4 : <!FINAL_SUPERTYPE!>FinalInner<!>()
+}