Minor. Add more tests

compiler/testData/codegen/box/inlineClasses/kt27096_enumGeneric.kt

@@ -0,0 +1,37 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+enum class En { N, A, B, C }
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Z1<T: En>(val x: T)
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Z2<T: Z1<En>>(val z: T)
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class ZN<T: Z1<En>>(val z: T?)
+
+fun wrap1(x: En): Z1<En>? = if (x.ordinal == 0) null else Z1(x)
+fun wrap2(x: En): Z2<Z1<En>>? = if (x.ordinal == 0) null else Z2(Z1(x))
+fun wrapN(x: En): ZN<Z1<En>>? = if (x.ordinal == 0) null else ZN(Z1(x))
+
+fun box(): String {
+    val n = En.N
+    val a = En.A
+
+    if (wrap1(n) != null) throw AssertionError()
+    if (wrap1(a) == null) throw AssertionError()
+    if (wrap1(a)!!.x != a) throw AssertionError()
+
+    if (wrap2(n) != null) throw AssertionError()
+    if (wrap2(a) == null) throw AssertionError()
+    if (wrap2(a)!!.z.x != a) throw AssertionError()
+
+    if (wrapN(n) != null) throw AssertionError()
+    if (wrapN(a) == null) throw AssertionError()
+    if (wrapN(a)!!.z!!.x != a) throw AssertionError()
+
+    return "OK"
+}