GCC 3.4.2 RC2 (from gcc-3.4.2-20040902.tar.bz2) does not bootstrap for me on i686-pc-mingw32, which is a regression from 3.4.1. Sorry for not noticing this earlier. Details here: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17325 Aaron W. LaFramboise