id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 13107,Include guards missing in range/iterator_range_hash.hpp,Petr Kmoch ,Neil Groves,Header `range/iterator_range_hash.hpp` has no include guard; including the header twice in the same translation unit results in an error about duplicate definition of the function template `::boost::hash_value(const iterator_range&)`,Bugs,new,To Be Determined,range,Boost 1.63.0,Problem,,,