kotlin/compiler/testData/codegen/box/controlStructures/forInArrayWithIndex/forInIntArrrayWithIndex.kt

// IGNORE_BACKEND: JS_IR
// WITH_RUNTIME

val arr = intArrayOf(10, 20, 30, 40)

fun box(): String {
    val s = StringBuilder()
    for ((index, x) in arr.withIndex()) {
        s.append("$index:$x;")
    }
    val ss = s.toString()
    return if (ss == "0:10;1:20;2:30;3:40;") "OK" else "fail: '$ss'"
}