add_compile_string_length  483 ext/mbstring/oniguruma/regcomp.c       r = add_compile_string_length(prev, prev_len, slen, reg, ambig);
add_compile_string_length  491 ext/mbstring/oniguruma/regcomp.c   r = add_compile_string_length(prev, prev_len, slen, reg, ambig);
add_compile_string_length  502 ext/mbstring/oniguruma/regcomp.c   return add_compile_string_length(sn->s, 1 /* sb */, sn->end - sn->s, reg, 0);