    unfetch_interval 2623 libglibc/regex.c                       goto unfetch_interval;
    unfetch_interval 2648 libglibc/regex.c                       goto unfetch_interval;
    unfetch_interval 2663 libglibc/regex.c                       goto unfetch_interval;
    unfetch_interval 2678 libglibc/regex.c                       goto unfetch_interval;
    unfetch_interval 2760 libglibc/regex.c             unfetch_interval: