id summary reporter owner description type status milestone component version severity resolution keywords cc 7769 BOOST_MPL_LIMIT_METAFUNCTION_ARITY > 8 causes compilation error on gcc Adam Lach Aleksey Gurtovoy " {{{ #define BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS #define BOOST_MPL_LIMIT_METAFUNCTION_ARITY 9 #include int main() { return 0; } }}} The above code fails to compile on g++ (4.6.3 and 4.7.2 checked). Visual Compiler(VS 2010) compiles this correctly even with BOOST_MPL_LIMIT_METAFUNCTION_ARITY == 100. See also [http://boost.2283326.n4.nabble.com/boost-mpl-bimap-BOOST-MPL-LIMIT-METAFUNCTION-ARITY-issue-on-g-4-6-3-and-boost-1-50-td4639407.html#a4639506] " Bugs new To Be Determined mpl Boost 1.52.0 Problem arity, metafunction