crazy bug with constructing object of the same class as calling class

compiler/testData/codegen/classes/selfcreate.kt

@@ -0,0 +1,10 @@
+class B () {}
+
+open class A(val b : B) {
+    fun a() = object: A(b) {}
+}
+
+fun box() : String {
+    A(B()).a()
+    return "OK"
+}

compiler/testData/codegen/regressions/kt1120.kt

@@ -0,0 +1,24 @@
+import java.util.concurrent.ConcurrentLinkedQueue
+import java.util.List
+
+public object RefreshQueue {
+    private val queue = ConcurrentLinkedQueue<List<String>>
+
+    private val workerThread = Thread(object : Runnable {
+        override fun run() {
+                while (!workerThread.isInterrupted()) {
+                    try {
+//                        synchronized(queue) {
+//                            queue.wait()
+//                        }
+                    } catch (e : InterruptedException) {
+                    }
+                }
+        }
+    })
+}
+
+fun box() : String {
+    val t = RefreshQueue.workerThread
+    return "OK"
+}