http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47316
--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-01-17 12:20:09 UTC --- Actually, thanks for filing the bug. Devirtualization and other optimizations (such as struct-reorg) based on type escape analysis are a debated issue and it is nice to know users have interest in it.