id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
6824,warning: delete called on boost::error_info... that has virtual functions but non-virtual destructor,Richard Powell <rmpowell77@…>,Emil Dotchevski,"When compiling boost 1.49.0 thread.hpp with clang with -Wall, I receive warnings:

/Users/richardpowell/boost/include/boost/checked_delete.hpp:34:5: warning: delete called on
      'boost::error_info<boost::tag_original_exception_type, const std::type_info *>' that has virtual functions but non-virtual destructor
      [-Wdelete-non-virtual-dtor]
    delete x;

=-=-=

More details:

$ cat test2.cpp 
#include <boost/thread.hpp>

$ clang++ --version
Apple clang version 4.0 (tags/Apple/clang-421.0.11) (based on LLVM 3.1svn)
Target: x86_64-apple-darwin11.3.0
Thread model: posix


$ clang++ -g -I. -Wall -I ~/boost/include   -c test2.cpp 
In file included from test2.cpp:1:
In file included from /Users/richardpowell/boost/include/boost/thread.hpp:13:
In file included from /Users/richardpowell/boost/include/boost/thread/thread.hpp:17:
In file included from /Users/richardpowell/boost/include/boost/thread/pthread/thread_data.hpp:10:
In file included from /Users/richardpowell/boost/include/boost/shared_ptr.hpp:17:
In file included from /Users/richardpowell/boost/include/boost/smart_ptr/shared_ptr.hpp:30:
/Users/richardpowell/boost/include/boost/checked_delete.hpp:34:5: warning: delete called on
      'boost::error_info<boost::tag_original_exception_type, const std::type_info *>' that has virtual functions but non-virtual destructor
      [-Wdelete-non-virtual-dtor]
    delete x;
    ^
/Users/richardpowell/boost/include/boost/smart_ptr/detail/shared_count.hpp:95:13: note: in instantiation of function template specialization
      'boost::checked_delete<boost::error_info<boost::tag_original_exception_type, const std::type_info *> >' requested here
            boost::checked_delete( p );
            ^
/Users/richardpowell/boost/include/boost/smart_ptr/shared_ptr.hpp:183:44: note: in instantiation of function template specialization
      'boost::detail::shared_count::shared_count<boost::error_info<boost::tag_original_exception_type, const std::type_info *> >' requested here
    explicit shared_ptr( Y * p ): px( p ), pn( p ) // Y must be complete
                                           ^
/Users/richardpowell/boost/include/boost/exception/info.hpp:170:42: note: in instantiation of function template specialization
      'boost::shared_ptr<boost::error_info<boost::tag_original_exception_type, const std::type_info *>
      >::shared_ptr<boost::error_info<boost::tag_original_exception_type, const std::type_info *> >' requested here
            shared_ptr<error_info_tag_t> p( new error_info_tag_t(v) );
                                         ^
/Users/richardpowell/boost/include/boost/exception/info.hpp:191:16: note: in instantiation of function template specialization
      'boost::exception_detail::set_info<boost::unknown_exception, boost::tag_original_exception_type, const std::type_info *>' requested here
        return exception_detail::set_info(x,v);
               ^
/Users/richardpowell/boost/include/boost/exception/detail/exception_ptr.hpp:181:21: note: in instantiation of function template specialization
      'boost::operator<<<boost::unknown_exception, boost::tag_original_exception_type, const std::type_info *>' requested here
            (*this) << original_exception_type(&typeid(e));
                    ^
/Users/richardpowell/boost/include/boost/exception/detail/exception_ptr.hpp:160:13: note: in instantiation of function template specialization
      'boost::unknown_exception::add_original_type<std::exception>' requested here
            add_original_type(e);
            ^
1 warning generated.
",Bugs,reopened,To Be Determined,exception,Boost 1.56.0,Problem,,,