clang/test/CXX/temp/temp.decls/temp.class.spec/p8-1y.cpp

   1 // RUN: %clang_cc1 -std=c++1y -fsyntax-only -verify %s
   2
   3 // -- The argument list of the specialization shall not be identical
   4 //    to the implicit argument list of the primary template.
   5
   6 template<typename T, int N, template<typename> class X> int v1;
   7 template<typename T, int N, template<typename> class X> int v1<T, N, X>;
   8 // expected-error@-1{{variable template partial specialization does not specialize any template argument; to define the primary template, remove the template argument list}}
   9
  10 template<typename...T> int v2;
  11 template<typename...T> int v2<T...>;
  12 // expected-error@-1{{variable template partial specialization does not specialize any template argument; to define the primary template, remove the template argument list}}
  13
  14 template<int...N> int v3;
  15 template<int...N> int v3<N...>;
  16 // expected-error@-1{{variable template partial specialization does not specialize any template argument; to define the primary template, remove the template argument list}}
  17
  18 template<template<typename> class...X> int v4;
  19 template<template<typename> class...X> int v4<X...>;
  20 // expected-error@-1{{variable template partial specialization does not specialize any template argument; to define the primary template, remove the template argument list}}
  21
  22 template<typename Outer> struct X {
  23   template<typename Inner> static int y;
  24   // FIXME: It would be preferable to only diagnose this once.
  25   template<typename Inner> static int y<Outer>; // expected-error 3{{cannot be deduced}} expected-note 3{{'Inner'}}
  26   template<typename Inner> static int y<Inner>; // expected-error {{does not specialize}}
  27
  28   template<typename, int> static int z;
  29   template<Outer N> static int z<int, N>; // expected-error {{not implicitly convertible}}
  30 };
  31 template<typename Outer> template<typename Inner> int X<Outer>::y<Outer>; // expected-error {{cannot be deduced}} expected-note {{'Inner'}}
  32 template<typename Outer> template<typename Inner> int X<Outer>::y<Inner>; // expected-error {{does not specialize}}
  33 template<> template<typename Inner> int X<int>::y<Inner>; // expected-error {{does not specialize}} expected-note {{instantiation of}}
  34
  35 X<int> xi;
  36 X<int*> xf; // expected-note {{instantiation of}}