OP_PUSH_STOP_BT  1355 ext/mbstring/oniguruma/regcomp.c       r = add_opcode(reg, OP_PUSH_STOP_BT);
OP_PUSH_STOP_BT  5751 ext/mbstring/oniguruma/regcomp.c   { OP_PUSH_STOP_BT,         "push-stop-bt",         ARG_NON },
OP_PUSH_STOP_BT  2627 ext/mbstring/oniguruma/regexec.c     case OP_PUSH_STOP_BT:  MOP_IN(OP_PUSH_STOP_BT);