Author
anonymous
over 6 years ago
C++
gcc 8.2.0
$ g++ prog.cc -I/opt/wandbox/boost-1.68.0/gcc-8.2.0/include -std=c++17 -pedantic-errors
prog.cc: In member function 'void Derived<X>::foo()': prog.cc:13:9: error: 'N' was not declared in this scope N; ^