pop_level         693 ext/mbstring/oniguruma/regexec.c   switch (pop_level) {\
pop_level        1246 ext/mbstring/oniguruma/regexec.c   int i, n, num_mem, best_len, pop_level;
pop_level        1269 ext/mbstring/oniguruma/regexec.c   pop_level = reg->stack_pop_level;