unsigned int final_pat;
rs = make_pattern (init_pat);
range_set_insert (rs, i, j - i);
final_pat = init_pat | bit_range (i, j - i);
check_pattern (rs, final_pat);
unsigned int final_pat;
rs = make_pattern (init_pat);
range_set_insert (rs, i, j - i);
final_pat = init_pat | bit_range (i, j - i);
check_pattern (rs, final_pat);