https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61848
--- Comment #11 from Alan Modra <amodra at gmail dot com> --- It boots Linux version 3.17.0-rc4-00222-gc73f6fd-dirty (anton@tul181p1) (gcc version 5.0.0 20140912 (experimental) (GCC) ) #23 SMP Fri Sep 12 21:19:06 UTC 2014