http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50857
--- Comment #3 from iant at google dot com <iant at google dot com> 2011-10-28 13:56:23 UTC --- I suppose you could drop something into POSTSTAGE1_FLAGS_TO_PASS. But it's not the right thing to do. We want to use -fno-exceptions -fno-rtti even when using --disable-bootstrap or when using --enable-build-with-cxx.