id summary reporter owner description type status milestone component version severity resolution keywords cc 8388 windows_file_codecvt should be allocated with _NEW_CRT pedro.larroy@… Beman Dawes Due to a bug in VC libraries, when allocating windows_file_codecvt it should be done with _NEW_CRT instead of new. Otherwise if operator new is overriden in the userland application it would be a crash since windows_file_codecvt is allocated with the user provided operator new and deallocated with delete from the C runtime. Bugs assigned To Be Determined filesystem Boost 1.53.0 Problem _NEW_CRT