K2: add partial reproduction of KT-59864

compiler/testData/ir/sourceRanges/declarations/delegatedProperties.kt

@@ -0,0 +1,14 @@
+// WITH_STDLIB
+// ISSUE: KT-59864
+
+import kotlin.properties.Delegates
+
+class MyClass {
+    val lazyProp by lazy {
+        5
+    }
+
+    var observableProp: String by Delegates.observable("<none>") { prop, old, new ->
+        println("Was $old, now $new")
+    }
+}