DDD 3.3.12 (i386-apple-darwin14.0.0) gets `Segmentation fault: 11' signal

ddd seg faults when gdb can’t be found:

$ which ddd
# None found
$ ddd

Internal error (Segmentation fault: 11).

Oops!  You have found a bug in DDD.

If you can reproduce this bug, please send a bug report
to <[email protected]>, giving a subject like

    DDD 3.3.12 (i386-apple-darwin14.0.0) gets `Segmentation fault: 11' signal

To enable us to fix the bug, you should include the following information:
* What you were doing to get this message.  Report all the facts.
* The contents of the `~/.ddd/log' file as generated by this session.
Please read also the section "Reporting Bugs" in the DDD manual.

We thank you for your support.


~/.ddd/log:
GNU DDD 3.3.12 (i386-apple-darwin14.0.0)
Copyright (C) 1995-1999 Technische Universit<E4>t Braunschweig, Germany.
Copyright (C) 1999-2001 Universit<E4>t Passau, Germany.
Copyright (C) 2001 Universit<E4>t des Saarlandes, Germany.
Copyright (C) 2001-2009 Free Software Foundation, Inc.

Compiled with GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.54)
Requires X11R6, Xt11R6, Motif 2.1 (GNU/LessTif Version 2.1 Release 0.95.2)
Includes XPM 3.4.11, Athena Panner (7000002L), DDD core
Built 2014-10-23 by (unknown).
$  ddd
+  /bin/sh -c 'exec gdb -q -fullname'
!  Segmentation fault: 11

_______________________________________________________________________
Dr. Peter D. Barnes, Jr.                Physics Division
Lawrence Livermore National Laboratory  Physical and Life Sciences
7000 East Avenue, L-50                  email:  [email protected]
P. O. Box 808                           Voice:  (925) 422-3384
Livermore, California 94550             Fax:    (925) 423-3371