[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979

compiler/testData/codegen/box/enum/values.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+enum class E {
+    E3,
+    E1,
+    E2
+}
+
+fun box(): String {
+    assertEquals("E3", E.values()[0].toString())
+    assertEquals("E1", E.values()[1].toString())
+    assertEquals("E2", E.values()[2].toString())
+    assertEquals("E3", enumValues<E>()[0].toString())
+    assertEquals("E1", enumValues<E>()[1].toString())
+    assertEquals("E2", enumValues<E>()[2].toString())
+
+    return "OK"
+}