http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46468
--- Comment #14 from marcus at jet dot franken.de 2010-11-28 19:53:45 UTC --- actually it is built with it and crashes. Atfer i change thread.o with -fno-asynchronous-unwind-tables it starts to work again. so somehting in there confuses the glibc/libgcc unwinder. any clue on how to debug this?
