gnat-gdb 6.4+2006-2 (amd64 binary) in ubuntu feisty

 This is GDB 6.4 with patches from AdaCore, as it was released as part
 of GNAT GPL 2006 Edition. It has better support for breakpoints, in
 particular in the area of generics, and also has some minor
 improvements and fixes.
 .
 It is recommended to use this package to debug Ada programs,
 especially if your program uses generics.