KT-3856 Wrong inner class inaccessible diagnostic for extension to outer class

#KT-3856 Fixed

compiler/testData/diagnostics/tests/scopes/inheritance/kt3856.kt

@@ -0,0 +1,33 @@
+fun foo(<!UNUSED_PARAMETER!>init<!>: A.() -> Unit) { }
+
+class A {
+    var x: Int = 0
+    companion object {
+        val f = foo() {
+            x = 1
+        }
+    }
+}
+
+class B(val a: String) {
+    fun f() = 0
+    companion object   {
+        fun B.bar() = a + f()
+    }
+}
+
+open class C {
+    fun bar() {}
+}
+
+class E: C() {
+
+    class D {
+        init {
+            with(C()) {
+                bar()
+                this.bar()
+            }
+        }
+    }
+}

compiler/testData/diagnostics/tests/scopes/inheritance/kt3856.txt

@@ -0,0 +1,59 @@
+package
+
+public fun foo(/*0*/ init: A.() -> kotlin.Unit): kotlin.Unit
+
+public final class A {
+    public constructor A()
+    public final var x: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public companion object Companion {
+        private constructor Companion()
+        public final val f: kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}
+
+public final class B {
+    public constructor B(/*0*/ a: kotlin.String)
+    public final val a: kotlin.String
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final fun f(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public companion object Companion {
+        private constructor Companion()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+        public final fun B.bar(): kotlin.String
+    }
+}
+
+public open class C {
+    public constructor C()
+    public final fun bar(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class E : C {
+    public constructor E()
+    public final override /*1*/ /*fake_override*/ fun bar(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public final class D {
+        public constructor D()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/scopes/inheritance/statics/companionObject/inheritFromContainingClass.kt

@@ -27,8 +27,8 @@ open class A<T> : J() {
         fun test() {
             foo()
             bar()
-            val a: Int = <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>baz()<!>
-            val b: <!UNRESOLVED_REFERENCE!>T<!> = <!INACCESSIBLE_OUTER_CLASS_EXPRESSION!>baz()<!>
+            val a: Int = baz()
+            val b: <!UNRESOLVED_REFERENCE!>T<!> = baz()
         }
     }