[FIR] Fix computing compatibility of expect and actual modality

core/util.runtime/src/org/jetbrains/kotlin/utils/addToStdlib.kt

@@ -256,3 +256,6 @@ inline fun <T, U, K, V> List<T>.flatGroupBy(
 }
 
 fun <E> MutableList<E>.popLast(): E = removeAt(lastIndex)
+
+fun <K : Enum<K>, V> enumMapOf(vararg pairs: Pair<K, V>): EnumMap<K, V> = EnumMap(mapOf(*pairs))
+fun <T : Enum<T>> enumSetOf(element: T, vararg elements: T): EnumSet<T> = EnumSet.of(element, *elements)