Minor. Add more tests

compiler/testData/codegen/box/inlineClasses/defaultInterfaceMethodsInInlineClassGeneric.kt

@@ -0,0 +1,18 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+interface IFoo<T> {
+    fun foo(x: T): String = "O"
+    fun T.bar(): String = "K"
+}
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class L<T: Long>(val x: T) : IFoo<L<T>>
+
+fun box(): String {
+    val z = L(0L)
+    return with(z) {
+        foo(z) + z.bar()
+    }
+}