id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 13378,VC++ 14 compiler warning C4456: declaration of 'it' hides previous local declaration,Volker Schöch ,Barend Gehrels,"I am using Microsoft Visual Studio 15.5.1 (VCToolsVersion 14.12.25827) to compile boost 1.66.0. I use compiler flag /W4. The following warning (which we declared an error for our project) occurs in geometry: **\boost_1_66_0\boost\geometry\algorithms\detail\overlay\handle_colocations.hpp(315): warning C4456: declaration of 'it' hides previous local declaration**",Bugs,closed,To Be Determined,geometry,Boost 1.66.0,Problem,fixed,"warning, C4456",