id summary reporter owner description type status milestone component version severity resolution keywords cc 11245 Deserialization with private constructor works in 1.57 not in 1.58 Thomas Aho Robert Ramey "Under certain circumstances deserialization of a class with a private constructor does not work with Boost 1.58. In 1.57 it worked fine. The code in the attached file, when compiled with Visual Studio 2013, gives the following error message: c:\program files (x86)\vc\include\xmemory0(588): error C2248: 'A::A' : cannot access private member declared in class 'A' 1> c:\projects\serializetest\serializetest.cpp(14) : see declaration of 'A::A' 1> c:\projects\serializetest\serializetest.cpp(9) : see declaration of 'A' " Bugs closed To Be Determined serialization Boost 1.58.0 Problem fixed stefan.hoelldampf@… visa.jokelainen@…