Supported creating varargs of reified type parameter

compiler/testData/codegen/boxWithStdlib/reified/copyToArray.kt

@@ -0,0 +1,15 @@
+import kotlin.test.assertEquals
+
+inline fun <reified T> copy(c: Collection<T>): Array<T> {
+    return c.copyToArray()
+}
+
+fun box(): String {
+    val a: Array<String> = copy(listOf("a", "b", "c"))
+    assertEquals("abc", a.join(""))
+
+    val b: Array<Int> = copy(listOf(1,2,3))
+    assertEquals("123", b.map { it.toString() }.join(""))
+
+    return "OK"
+}