id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 7616,"br_mul::nan - warning C4293: '<<' : shift count negative or too big, undefined behavior",jeffrey.flinn@…,viboes,"D:\boost_1_52_0_beta1\boost/ratio/detail/overflow_helpers.hpp(136): warning C4293: '<<' : shift count negative or too big, undefined behavior In user code with VC11 included thru use of boost::thread ",Bugs,closed,Boost 1.53.0,ratio,Boost 1.52.0,Cosmetic,fixed,,vicente.botet@…