JS: drop Collections.sort

libraries/stdlib/src/kotlin/collections/MutableCollections.kt

@@ -260,14 +260,16 @@ private fun MutableCollection<*>.retainNothing(): Boolean {
 
 /**
  * Sorts elements in the list in-place according to their natural sort order.
- * */
-public fun <T: Comparable<T>> MutableList<T>.sort(): Unit {
+ */
+@kotlin.jvm.JvmVersion
+public fun <T : Comparable<T>> MutableList<T>.sort(): Unit {
     if (size > 1) java.util.Collections.sort(this)
 }
 
 /**
- *  Sorts elements in the list in-place according to order specified with [comparator].
+ * Sorts elements in the list in-place according to the order specified with [comparator].
  */
+@kotlin.jvm.JvmVersion
 public fun <T> MutableList<T>.sortWith(comparator: Comparator<in T>): Unit {
     if (size > 1) java.util.Collections.sort(this, comparator)
 }

libraries/stdlib/test/js/JsCollectionsTest.kt

@@ -6,11 +6,8 @@ import kotlin.test.*
 import org.junit.Test as test
 import kotlin.comparisons.*
 
-fun <T> List<T>.toArrayList() = this.toCollection(ArrayList<T>())
-
 class JsCollectionsTest {
     val TEST_LIST = arrayOf(2, 0, 9, 7, 1).toList()
-    val SORTED_TEST_LIST = arrayOf(0, 1, 2, 7, 9).toList()
     val MAX_ELEMENT = 9
     val COMPARATOR = Comparator { x: Int, y: Int ->  if (x > y) 1 else if (x < y) -1 else 0 }
 
@@ -18,18 +15,6 @@ class JsCollectionsTest {
         assertEquals(MAX_ELEMENT, Collections.max(TEST_LIST, COMPARATOR))
     }
 
-    @test fun sort() {
-        val list = TEST_LIST.toArrayList()
-        Collections.sort(list)
-        assertEquals(SORTED_TEST_LIST, list)
-    }
-
-    @test fun sortWithComparator() {
-        val list = TEST_LIST.toArrayList()
-        Collections.sort(list, COMPARATOR)
-        assertEquals(SORTED_TEST_LIST, list)
-    }
-
     @test fun collectionToArray() {
         val array = TEST_LIST.toTypedArray()
         assertEquals(array.toList(), TEST_LIST)