id summary reporter owner description type status milestone component version severity resolution keywords cc 2644 Warnings C4224 from ptr_container Paul A. Bristow Thorsten Ottosen "boost/ptr_container/detail/reversible_ptr_container.hpp C4224: nonstandard extension used : formal parameter 'hash' was previously defined as a type. Microsoft Visual Studio 2008 Version 9.0.21022.8 RTM (warning level 3 up) Choice of names seems to clash. If this is troublesome to change, it would be convenient to disable warnings for MSVC with push'n'pop as this generates a great pile of warning text. See also Trac #2643 for similar warnings from hash. " Bugs closed Boost 1.38.0 ptr_container Boost 1.37.0 Cosmetic fixed