id summary reporter owner description type status milestone component version severity resolution keywords cc 11952 Missing `attribute_type` in boost spirit x3 parser enniobarbaro@… Joel de Guzman "Unless I am mistaken, [http://coliru.stacked-crooked.com/a/39d2d8a2a8a3dbaa this] is supposed to be well formed. Unfortunately it fails to compile on both gcc and clang, the reason seems to be a missing `typedef unused_type attribute_type` in `binary_lit_parser`." Bugs closed To Be Determined spirit Boost 1.60.0 Problem fixed binary parser