Description of problem:
 If you have a long option --foobar and pass --fooba getopt_long SEGVs.

Version-Release number of selected component (if applicable):
 FC4 and FC5 glibc, but not RHEL-4 glibc.

How reproducible:
 Always

Steps to Reproduce:
1. See attached program.
2. compile.
3. run.
  
Actual results:
 SEGV

Expected results:
 not SEGV

That testcase is invalid.
See the "The last element of the array has to be filled with zeroes."
note in man getopt_long which is violated.