SIZE_OP_SET_OPTION 1171 regcomp.c          return SIZE_OP_SET_OPTION_PUSH + SIZE_OP_SET_OPTION + SIZE_OP_FAIL
SIZE_OP_SET_OPTION 1172 regcomp.c                 + tlen + SIZE_OP_SET_OPTION;
SIZE_OP_SET_OPTION 2321 regexec.c            p += SIZE_OP_SET_OPTION + SIZE_OP_FAIL;