http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59316
--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- See: http://gcc.gnu.org/ml/gcc/2013-11/msg00131.html - the failures indicate the architecture maintainers have not yet added this hook (for either SPARC, or ARM, or any non-x86 architecture).
