[Bug sanitizer/59009] libsanitizer merge from upstream r191666 breaks bootstrap on powerpc64-linux

[bergner at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59009

--- Comment #19 from Peter Bergner <bergner at gcc dot gnu.org> ---
Someone on my team reported that our internal bootstrap tester is still
failing.  It is failing due to the linux/mroute6.h header file not existing. 
Our builds are occurring on SLES10 and RHEL5 and that kernel header didn't
exist yet when SLES10/RHEL5 were released.  I'm going to fire off my own build
on them and see if I can work around them commenting more code out.