forked from OSchip/llvm-project
74 lines
3.1 KiB
C++
74 lines
3.1 KiB
C++
// 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;
|
|
};
|
|
|
|
template <template <typename> class... Templates> // expected-warning {{variadic templates are a C++11 extension}}
|
|
struct template_tuple {};
|
|
template <typename T>
|
|
struct identity {};
|
|
template <template <typename> class... Templates> // expected-warning {{variadic templates are a C++11 extension}}
|
|
template_tuple<Templates...> f7() {}
|
|
|
|
void foo() {
|
|
f7<identity>();
|
|
}
|