http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50394
--- Comment #23 from Jan Hubicka <hubicka at ucw dot cz> 2011-09-22 20:29:38 UTC --- > > is altogether more hairy - we create at run-time C++ vtables packed with > > trampolines so we can intercept / model native C++ objects and interact with > > them via python etc. that would need some more intense debugging love I > > guess. > > and this one is the only remaining issue. That sounds promising. I can imagine that this sort of magic breaks with LTO. Is the solution as simple as using non-LTO version of libgcc3_uno.so? I will try to take a look how this is implemented. Honza