// Fallback case: Array.append/push is mutating; with read-only policy it should fallback
// Run: NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 ./target/release/nyash --backend vm examples/jit_hostcall_array_append.nyash

static box Main {
  main() {
    local xs
    xs = new ArrayBox()
    xs.push(1)
    return xs.length() // expect 1 in VM; under JIT read-only policy push is denied → still 1 via VM path
  }
}