Delegated properties.

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

@@ -0,0 +1,8 @@
+val test1 by lazy { 42 }
+
+class C(val map: MutableMap<String, Any>) {
+    val test2 by lazy { 42 }
+    var test3 by map
+}
+
+var test4 by hashMapOf<String, Any>()