source: trunk/essentials/sys-apps/gawk/test/arrayref.awk

        BEGIN { # foo[10] = 0           # put this line in and it will work
                test(foo); print foo[1]
                test2(foo2); print foo2[1]
        }

        function test(foo)
        {
                test2(foo)
        }
        function test2(bar)
        {
                bar[1] = 1
        }