On Mon, 18 Oct 2010, Thorsten Glaser wrote: > The .libs/mutex.i file is attached. > It ICE'd here too (GCC 4.4.4-8): $ m68k-linux-gnu-g++ -std=gnu++0x -fPIC -c mutex.i The problem goes away if you remove -fPIC or change the (default) -O0 optimisation level. Looks like it might be PR43804: http://gcc.gnu.org/bugzilla/show_bug.cgi?format=multiple&id=43804 I will try the patch... Finn