Added tests.

backend.native/tests/codegen/delegatedProperty/local.kt

@@ -0,0 +1,18 @@
+import kotlin.reflect.KProperty
+
+fun foo(): Int {
+   class Delegate {
+        operator fun getValue(receiver: Any?, p: KProperty<*>): Int {
+            println(p.name)
+            return 42
+        }
+    }
+
+    val x: Int by Delegate()
+
+    return x
+}
+
+fun main(args: Array<String>) {
+    println(foo())
+}

backend.native/tests/codegen/delegatedProperty/packageLevel.kt

@@ -0,0 +1,14 @@
+import kotlin.reflect.KProperty
+
+class Delegate {
+    operator fun getValue(receiver: Any?, p: KProperty<*>): Int {
+        println(p.name)
+        return 42
+    }
+}
+
+val x: Int by Delegate()
+
+fun main(args: Array<String>) {
+    println(x)
+}

backend.native/tests/codegen/delegatedProperty/simpleVal.kt

@@ -0,0 +1,16 @@
+import kotlin.reflect.KProperty
+
+class Delegate {
+    operator fun getValue(receiver: Any?, p: KProperty<*>): Int {
+        println(p.name)
+        return 42
+    }
+}
+
+class C {
+    val x: Int by Delegate()
+}
+
+fun main(args: Array<String>) {
+    println(C().x)
+}

backend.native/tests/codegen/delegatedProperty/simpleVar.kt

@@ -0,0 +1,26 @@
+import kotlin.reflect.KProperty
+
+class Delegate {
+    var f: Int = 42
+
+    operator fun getValue(receiver: Any?, p: KProperty<*>): Int {
+        println("get ${p.name}")
+        return f
+    }
+
+    operator fun setValue(receiver: Any?, p: KProperty<*>, value: Int) {
+        println("set ${p.name}")
+        f = value
+    }
+}
+
+class C {
+    var x: Int by Delegate()
+}
+
+fun main(args: Array<String>) {
+    val c = C()
+    println(c.x)
+    c.x = 117
+    println(c.x)
+}