http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52947
--- Comment #4 from ralphengels at gmail dot com <ralphengels at gmail dot com> 2012-05-13 15:15:10 UTC --- Adding --disable-build-poststage1-with-cxx \ --disable-build-with-cxx \ allows the full bootstrap on windows with mingw64. Something is broken with C++ though as anything that links to libstdc++ will crash with the executable has stopped working error (exceptions ?). I hope my findings can shed some light on this.
