id summary reporter owner description type status milestone component version severity resolution keywords cc 4980 Intrusive multiset: insert doesn't preserve size counter when comparator throws michal.pecio@… Ion Gaztañaga "multiset::insert() doesn't seem to preserve the ""constant time size"" counter when comparator throws despite supposedly providing strong guarantee. Other containers and methods might also be affected, I haven't tested them. The problem definitely exists in 1.44 and, if I've configured my compiler properly, in svn. I'm going to attach a code sample which triggers the bug. " Bugs closed To Be Determined intrusive Boost Development Trunk Problem fixed