ONIG_STATE_DEC_THREAD 3128 regexec.c        ONIG_STATE_DEC_THREAD(reg);
ONIG_STATE_DEC_THREAD 3736 regexec.c        ONIG_STATE_DEC_THREAD(reg);
ONIG_STATE_DEC_THREAD 3757 regexec.c        ONIG_STATE_DEC_THREAD(reg);
ONIG_STATE_DEC_THREAD 3765 regexec.c        ONIG_STATE_DEC_THREAD(reg);