Don't put outer instance twice for anonymous object extending inner

#KT-5343 In Progress

compiler/testData/codegen/box/localClasses/localExtendsInnerAndReferencesOuterMember.kt

@@ -0,0 +1,14 @@
+class A {
+    fun box(): String {
+        class Local : Inner() {
+            val u = foo()
+        }
+        val u = Local().u
+        return if (u == 42) "OK" else "Fail $u"
+    }
+
+    open inner class Inner
+    fun foo() = 42
+}
+
+fun box() = A().box()

compiler/testData/codegen/box/objects/objectExtendsInnerAndReferencesOuterMember.kt

@@ -0,0 +1,12 @@
+class A {
+    val x: Any get() {
+        return object : Inner() {
+            override fun toString() = foo()
+        }
+    }
+
+    open inner class Inner
+    fun foo() = "OK"
+}
+
+fun box(): String = A().x.toString()