add ultra-light classes/members that work without backend in simple cases

compiler/testData/asJava/ultraLightClasses/inlineClasses.kt

@@ -0,0 +1,23 @@
+/** should load cls */
+inline class UInt(private val value: Int) { }
+
+/** should load cls */
+inline enum class Foo(val x: Int) {
+    A(0), B(1);
+
+    fun example() { }
+}
+
+/** should load cls */
+inline class InlinedDelegate<T>(var node: T) {
+    operator fun setValue(thisRef: A, property: KProperty<*>, value: T) {
+        if (node !== value) {
+            thisRef.notify(node, value)
+        }
+        node = value
+    }
+
+    operator fun getValue(thisRef: A, property: KProperty<*>): T {
+        return node
+    }
+}