http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54726
--- Comment #2 from Ian Lance Taylor <ian at airs dot com> 2012-09-27 15:36:30 UTC --- The segfault is a bug I will fix, but the fact that the backtrace doesn't work doesn't matter. We didn't have the backtrace information before, and we won't have it in this case either.