Minor. Add more tests

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

@@ -0,0 +1,13 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Foo<T: String>(val z: T)
+
+var f = Foo("zzz")
+
+fun box(): String {
+    (::f).set(Foo("OK"))
+    return (::f).get().z
+}