id summary reporter owner description type status milestone component version severity resolution keywords cc 12543 boost::async compile error for -std=c++03 and c++98 evgeny.panasyuk@… viboes "Following code results in compile error on GCC and Clang with -std=c++03 or -std=c++98 flags. {{{ #!C++ #include struct Calc { typedef int result_type; result_type operator()() const { return result_type(); } }; int main() { Calc x; boost::async(x); } }}} LIVE DEMO: coliru.stacked-crooked.com/a/532c22d37e951a28" Bugs closed To Be Determined thread Boost 1.62.0 Problem worksforme