http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48908
--- Comment #5 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-05-06 23:14:30 UTC --- I've tried the second patch with r173466. It fixes the build failure for sh4-unknown-linux-gnu and there are no new test failures from r173407 on that target.