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// RUN: %clang_cc1 -fsyntax-only -verify %s
template<template<typename T> class X> struct A; // expected-note 2{{previous template template parameter is here}}
template<template<typename T, int I> class X> struct B; // expected-note{{previous template template parameter is here}}
template<template<int I> class X> struct C; // expected-note{{previous non-type template parameter with type 'int' is here}}
template<class> struct X; // expected-note{{too few template parameters in template template argument}}
template<int N> struct Y; // expected-note{{template parameter has a different kind in template argument}}
template<long N> struct Ylong; // expected-note{{template non-type parameter has a different type 'long' in template argument}}
namespace N {
template<class> struct Z;
}
template<class, class> struct TooMany; // expected-note{{too many template parameters in template template argument}}
A<X> *a1;
A<N::Z> *a2;
A< ::N::Z> *a3;
A<Y> *a4; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
A<TooMany> *a5; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
B<X> *a6; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
C<Y> *a7;
C<Ylong> *a8; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
template<typename T> void f(int);
A<f> *a9; // expected-error{{must be a class template}}
// Evil digraph '<:' is parsed as '[', expect error.
A<::N::Z> *a10; // expected-error{{found '<::' after a template name which forms the digraph '<:' (aka '[') and a ':', did you mean '< ::'?}}
// Do not do a digraph correction here.
A<: :N::Z> *a11; // expected-error{{expected expression}} \
expected-error{{C++ requires a type specifier for all declarations}}
// PR7807
namespace N {
template <typename, typename = int>
struct X
{ };
template <typename ,int>
struct Y
{ X<int> const_ref(); };
template <template<typename,int> class TT, typename T, int N>
int operator<<(int, TT<T, N> a) { // expected-note{{candidate template ignored}}
0 << a.const_ref(); // expected-error{{invalid operands to binary expression ('int' and 'X<int>')}}
}
void f0( Y<int,1> y){ 1 << y; } // expected-note{{in instantiation of function template specialization 'N::operator<<<Y, int, 1>' requested here}}
}
// PR12179
template <typename Primitive, template <Primitive...> class F> // expected-warning {{variadic templates are a C++11 extension}}
struct unbox_args {
typedef typename Primitive::template call<F> x;
};
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