Allow unsigned integers overflow values of corresponding signed numbers

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

@@ -0,0 +1,10 @@
+// !LANGUAGE: +InlineClasses
+// !SKIP_METADATA_VERSION_CHECK
+// WITH_UNSIGNED
+
+fun box(): String {
+    val u1: UByte = 255u
+    if (u1.toByte().toInt() != -1) return "fail"
+
+    return "OK"
+}