http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54397
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-08-30 07:01:12 UTC --- You need GDB 7.5 (or the changes mentioned in the other PR backported). It doesn't make any sense to XFAIL the test, all debugging of code compiled by GCC 4.8 is broken with older GDBs.