KT-2480 test for obsolete issue

compiler/testData/codegen/regressions/kt2480.kt

@@ -0,0 +1,13 @@
+fun box() = Class().printSome()
+
+public abstract class AbstractClass<T> {
+    public fun printSome() : T = some
+
+    public abstract val some: T
+}
+
+public class Class: AbstractClass<String>() {
+    public override val some: String
+        get() = "OK"
+
+}

compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java

@@ -513,4 +513,9 @@ public class ClassGenTest extends CodegenTestCase {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
         blackBoxFile("regressions/kt2417.kt");
     }
+
+    public void testKt2480() {
+        createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
+        blackBoxFile("regressions/kt2480.kt");
+    }
 }