Comment 2 for bug 1233185

Further bisecting of versions shows that this regression was introduced in
https://launchpad.net/ubuntu/+source/gdb/7.4-2012.04-0ubuntu3, which (fortunately for debugging) isn't a new upstream release but just a merge with Debian with a 20 kB diff: http://launchpadlibrarian.net/107416511/gdb_7.4-2012.04-0ubuntu2_7.4-2012.04-0ubuntu3.diff.gz