Fix and test RecursiveDescriptorProcessor

compiler/testData/recursiveProcessor/declarations.kt

@@ -0,0 +1,41 @@
+package test.innerTest
+
+fun <T1> T1.func(a: T1): T1 = a
+val <T2> T2.prop: T2? = null
+var propVar: Any? = null
+
+trait Trait<T3> {
+    fun traitFunc(): Unit {}
+    val traitProp: Any?
+}
+
+abstract class Class<T4> : Trait<Any> {
+    fun classFunc(): Unit {}
+    val classProp: Any? = null
+
+    class object {
+        fun classObjFunc(): Unit {}
+        val classObjProp: Any? = null
+    }
+}
+
+object Object {
+    fun objFunc(): Unit {}
+    val objProp: Any? = null
+}
+
+trait Outer {
+    trait NestedTrait {
+        fun nestedTraitFun() {}
+    }
+
+    abstract class NestedClass {
+        class object {
+            fun nestedClassObjFunc(): Unit {}
+        }
+    }
+
+    object Object {
+        fun nestedFunc(): Unit {}
+    }
+}