ctf_merge_add_type
static int ctf_merge_add_type(ctf_merge_types_t *, ctf_id_t);
ret = ctf_merge_add_type(cmp, ar.ctr_contents);
ret = ctf_merge_add_type(cmp, ar.ctr_index);
ret = ctf_merge_add_type(cmp, reftype);
ret = ctf_merge_add_type(cmp, reftype);
ret = ctf_merge_add_type(cmp, ctc.ctc_return);
ret = ctf_merge_add_type(cmp, argv[i]);
ret = ctf_merge_add_type(cmp, i);
ret = ctf_merge_add_type(cmp, i);