kotlin-fork/analysis/low-level-api-fir/testData/getOrBuildFir/calls/compoundAssignWithArrayGetConventionScript.kts

interface A {
    operator fun plusAssign(i: Int)
}

interface MyMap<K, V> {
    operator fun get(k: K): V
}

fun test(m: MyMap<String, A>) {
    <expr>m["a"] += 1</expr>
}