Tests for renamed fields

compiler/testData/codegen/box/fieldRename/constructorAndClassObject.kt

@@ -0,0 +1,16 @@
+class Test(val prop: String) {
+
+  class object {
+    public val prop : String = "CO";
+  }
+
+}
+
+
+fun box() : String {
+  val obj = Test("OK");
+
+  if (Test.prop != "CO") return "fail1";
+
+  return obj.prop;
+}