Type alias constructors for inner classes in expressions ans supertype lists.

compiler/testData/codegen/box/typealias/innerClassTypeAliasConstructor.kt

@@ -0,0 +1,10 @@
+class Outer(val x: String) {
+    inner class Inner(val y: String) {
+        val z = x + y
+    }
+}
+
+typealias OI = Outer.Inner
+
+fun box(): String =
+        Outer("O").OI("K").z

compiler/testData/codegen/box/typealias/innerClassTypeAliasConstructorInSupertypes.kt

@@ -0,0 +1,12 @@
+class Outer(val x: String) {
+    abstract inner class InnerBase
+
+    inner class Inner(val y: String) : OIB() {
+        val z = x + y
+    }
+}
+
+typealias OIB = Outer.InnerBase
+
+fun box(): String =
+        Outer("O").Inner("K").z