Support inline classes working with collection elements (get/set)

compiler/testData/codegen/bytecodeText/inlineClasses/uIntArraySwapBoxing.kt

@@ -0,0 +1,23 @@
+// !LANGUAGE: +InlineClasses
+
+inline class UInt(private val value: Int) {
+    fun asInt() = value
+}
+
+inline class UIntArray(private val intArray: IntArray) {
+    operator fun get(index: Int): UInt = UInt(intArray[index])
+
+    operator fun set(index: Int, value: UInt) {
+        intArray[index] = value.asInt()
+    }
+}
+
+fun UIntArray.swap(i: Int, j: Int) {
+    this[j] = this[i].also { this[i] = this[j] }
+}
+
+// 2 INVOKEVIRTUAL UInt.unbox
+// 1 INVOKESTATIC UInt\$Erased.box
+
+// 0 intValue
+// 0 valueOf