I have also applied the changes to the Insight snapshots and have built them successfully. For those of you who don't know Insight is GUI version of GDB, based on earlier work by Cygnus on GdbTk. For those who don't like the command line, check it out.
Since Insight is an extension of GDB, all the bugs present in the ARM Linux port of GDB exist in it. Insight has not been extensively tested.