12259 CTF shouldn't assume enum size

*** 8,18 ****
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2019, Joyent, Inc.
   */
  
  /*
   * Collection of common utilities for CTF testing.
   */
--- 8,18 ----
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2020 Joyent, Inc.
   */
  
  /*
   * Collection of common utilities for CTF testing.
   */
*** 735,745 ****
--- 735,763 ----
          }
  
          free(args);
          return (ret);
  }
+ boolean_t
+ ctftest_check_size(const char *type, ctf_file_t *fp, size_t size)
+ {
+         ctf_id_t base;
  
+         if ((base = ctftest_lookup_type(fp, type)) == CTF_ERR) {
+                 warnx("Failed to look up type %s", type);
+                 return (B_FALSE);
+         }
+ 
+         if (size != ctf_type_size(fp, base)) {
+                 warnx("%s has bad size, expected %lu, found %lu",
+                     type, size, ctf_type_size(fp, base));
+                 return (B_FALSE);
+         }
+ 
+         return (B_TRUE);
+ }
+ 
  typedef struct ctftest_duplicates {
          ctf_file_t *ctd_fp;
          char **ctd_names;
          size_t ctd_len;
          size_t ctd_curent;