[tests] Add a test case for KT-61978

^KT-61978 Obsolete

compiler/testData/codegen/box/delegatedProperty/DelegationByFunctionWithEnumUpperBound.kt

@@ -0,0 +1,26 @@
+// ISSUE: KT-61978
+// WITH_REFLECT
+// WITH_STDLIB
+
+// IGNORE_INLINER: IR
+// java.lang.UnsupportedOperationException
+// (this function has a reified type parameter and thus can only be inlined at compilation time, not called directly)
+// at Klass.<init>(DelegationByFunctionWithEnumUpperBound.kt:23)
+
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+enum class Enumeration { OK }
+
+inline fun <reified T: Enum<T>> delegate() = object: ReadWriteProperty<Any?, T?> {
+    override fun getValue(thisRef: Any?, property: KProperty<*>): T? = Enumeration.OK as T?
+    override fun setValue(thisRef: Any?, property: KProperty<*>, value: T?) {}
+}
+
+class Klass {
+    var enumeration: Enumeration? by delegate()
+}
+
+fun box(): String {
+    return Klass().enumeration.toString()
+}