Generate as check for inline classes using wrapper

Should be improved when inline class is based on non-null reference

compiler/testData/codegen/box/inlineClasses/checkCastToInlineClass.kt

@@ -0,0 +1,19 @@
+// !LANGUAGE: +InlineClasses
+
+inline class UInt(val s: Int)
+
+fun test(a1: Any, a2: UInt?, a3: Any?, a4: Any?): Int {
+    val b1 = a1 as UInt
+    val b2 = a2 as UInt
+    val b3 = (a3 as UInt?) as UInt
+    val b4 = (a4 as? UInt) as UInt
+    return b1.s + b2.s + b3.s + b4.s
+}
+
+fun box(): String {
+    val u1 = UInt(1)
+    val u2 = UInt(2)
+    if (test(u1, u2, u1, u2) != 6) return "fail"
+
+    return "OK"
+}