Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/reified/innerAnonymousObject.kt

@@ -0,0 +1,29 @@
+// WITH_RUNTIME
+
+import kotlin.test.assertEquals
+
+abstract class A<R> {
+    abstract fun f(): String
+    override fun toString() = f()
+}
+
+abstract class G {
+    abstract fun bar(): Any
+}
+
+inline fun<reified T> foo(): G {
+    return object : G() {
+        override fun bar(): Any {
+            return object : A<T>() {
+                 override fun f(): String = "OK"
+            }
+        }
+    }
+}
+
+fun box(): String {
+    val y = foo<String>().bar();
+    assertEquals("OK", y.toString())
+    assertEquals("A<java.lang.String>", y.javaClass.getGenericSuperclass()?.toString())
+    return "OK"
+}