Marshmallow  |  6.0.1_r16
C++程序  |  7行  |  205 B 

// RUN: %clang_cc1 -fsyntax-only -verify %s
template<class T> class A { }; 

class X {
  template<class T> friend class A<T*>; // expected-error{{partial specialization cannot be declared as a friend}}
};