http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54453
--- Comment #8 from Douglas Mencken <dougmencken at gmail dot com> 2012-09-03 15:45:09 UTC --- Why the ``Revert a few Makefile.am regexps'' is still not committed? This sed gotcha is not about single architecture, not about bit-wideness (32- or 64-bit), it's very common. And that patch does definitely fix bootstrap.
