On Thu, Dec 27, 2012 at 09:15:01AM -0600, Nathan Whitehorn wrote: > On 12/27/12 09:07, Stefan Farfeleder wrote: > > Hi, > > > > I noticed that most of my C++ applications in recent versions of FreeBSD > > head suddenly crash without me recompiling them. I tracked it down to > > r243830 which imported a new clang version. The new clang seems to > > compile libgcc in a wrong or at least incompatible way with what gcc > > expects. In fact, the breakage only occurs with libgcc compiled by a > > post-r243830 clang and an application compiled with g++ -O2. For me, the > > crash happens with boost::program_options, but I'm not sure if that is > > necessary for the crash. > > I've seen what I think is the same thing due to a miscompilation of > unwind-dw2.c that caused crashes related to cross-shared-object > exception handling. It seems to have been fixed with the 3.2 release but > I haven't tested it too thoroughly yet.
Thanks for the confirmation. The cross-dso requirement would explain why my simpler approaches to reproduce it didn't work. But for me there's no difference between RC2 and release (FreeBSD clang version 3.2 (tags/RELEASE_32/final 170710) 20121221), both cause my applications to crash. Stefan _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
