10823 should ignore DW_TAG_subprogram with DW_AT_declaration tags
10824 GCC7-derived CTF can double qualifiers on arrays
10825 ctfdump -c drops last type
10826 ctfdump -c goes off the rails with a missing parent
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Jason King <jason.king@joyent.com>
Approved by: Jerry Jelinek <jerry.jelinek@joyent.com>

*** 8,18 ****
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright (c) 2019, Joyent, Inc.
   */
  
  /*
   * Verify that we can properly handle forward declarations.
   *
--- 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.
   */
  
  /*
   * Verify that we can properly handle forward declarations.
   *
*** 107,117 ****
                  if (!ctftest_check_symbols(fp, check_syms))
                          ret = EXIT_FAILURE;
  
                  for (j = 0; descents[j].cdt_sym != NULL; j++) {
                          if (!ctftest_check_descent(descents[j].cdt_sym, fp,
!                             descents[j].cdt_tests)) {
                                  ret = EXIT_FAILURE;
                          }
                  }
  
  
--- 107,117 ----
                  if (!ctftest_check_symbols(fp, check_syms))
                          ret = EXIT_FAILURE;
  
                  for (j = 0; descents[j].cdt_sym != NULL; j++) {
                          if (!ctftest_check_descent(descents[j].cdt_sym, fp,
!                             descents[j].cdt_tests, B_FALSE)) {
                                  ret = EXIT_FAILURE;
                          }
                  }