https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80950
Bug ID: 80950 Summary: GCC about template bug Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: kmp53 at sina dot com Target Milestone: --- There's no problem around GCC5.3, and now GCC6 can't compile the code until the latest GCC7.1. template<class...T>struct Cn{ template<int N> int get(){return N;} }; template<class...T> struct Pr:Cn<T...> { void fn(){ this->get<1>();//① } }; GCC7.1 prompt: 'expected, primary-expression, before') 'token. in line ① The GCC6 prompt is different,but there is an error. And I used the latest VS2017 compiler is no problem.