id summary reporter owner description type status milestone component version severity resolution keywords cc 13602 Compiling has_plus_assign.hpp with VS2017 (15.7.1) generates the Warning C5032. alexander.frank.lehmann@… John Maddock "This ticket is split off ticket #13595. When compiling has_plus_assign.hpp with ""Microsoft Visual Studio Professional 2017 Version 15.7.1"" the warning: {{{ warning C5032: detected #pragma warning(push) with no corresponding #pragma warning(pop) compiling ... }}} is generated. The warnings come from from this codeline: has_plus_assign.hpp line 30: {{{ 29 #elif defined(BOOST_MSVC) 30 # pragma warning ( push ) 31 # pragma warning ( disable : 4018 4244 4547 4800 4804 4805 4913 4133) 32 # if BOOST_WORKAROUND(BOOST_MSVC_FULL_VER, >= 140050000) 33 # pragma warning ( disable : 6334) 34 # endif 35 #endif }}} " Bugs closed To Be Determined type_traits Boost 1.67.0 Problem fixed