Add test for in/!in in a custom object range

compiler/testData/codegen/box/ranges/contains/inCustomObjectRange.kt

@@ -0,0 +1,22 @@
+// WITH_RUNTIME
+
+class A(val z: Int) : Comparable<A> {
+    override fun compareTo(other: A): Int {
+        return Integer.compare(z, other.z)
+    }
+}
+
+operator fun  A.rangeTo(that: A): ClosedRange<A> = object: ClosedRange<A> {
+    override val endInclusive: A
+        get() = that
+    override val start: A
+        get() = this@rangeTo
+}
+
+operator fun ClosedRange<A>.iterator() = (start.z..endInclusive.z).map { A(it) }.iterator()
+
+fun box(): String {
+    if (!( A(2) in A(1)..A(12) )) return "Fail 1"
+    if ( A(2) !in A(1)..A(12) ) return "Fail 2"
+    return "OK"
+}