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// RUN: %clang_cc1 -fsyntax-only %s -std=c++1z -verify
// PR7511
template<a> // expected-error +{{}}
struct int_;
template<a> // expected-error +{{}}
template<int,typename T1,typename>
struct ac
{
typedef T1 ae
};
template<class>struct aaa
{
typedef ac<1,int,int>::ae ae // expected-error +{{}}
};
template<class>
struct state_machine
{
typedef aaa<int>::ae aaa;
int start()
{
ant(0);
}
template<class>
struct region_processing_helper
{
template<class,int=0>
struct In;
template<int my>
struct In<a::int_<aaa::a>,my>; // expected-error +{{}}
template<class Event>
int process(Event)
{
In<a::int_<0> > a; // expected-error +{{}}
}
} // expected-error +{{}}
template<class Event>
int ant(Event)
{
region_processing_helper<int>* helper;
helper->process(0) // expected-error +{{}}
}
};
int a()
{
state_machine<int> p;
p.ant(0);
}
// PR9974
template <int> struct enable_if;
template <class > struct remove_reference ;
template <class _Tp> struct remove_reference<_Tp&> ;
template <class > struct __tuple_like;
template <class _Tp, class _Up, int = __tuple_like<typename remove_reference<_Tp>::type>::value>
struct __tuple_convertible;
struct pair
{
template<class _Tuple, int = enable_if<__tuple_convertible<_Tuple, pair>::value>::type>
pair(_Tuple&& );
};
template <class> struct basic_ostream;
template <int>
void endl( ) ;
extern basic_ostream<char> cout;
int operator<<( basic_ostream<char> , pair ) ; // expected-note +{{}}
void register_object_imp ( )
{
cout << endl<1>; // expected-error +{{}}
}
// PR12933
namespace PR12933 {
template<typename S> // expected-error +{{}}
template<typename T>
void function(S a, T b) {}
int main() {
function(0, 1); // expected-error +{{}}
return 0;
}
}
// A buildbot failure from libcxx
namespace libcxx_test {
template <class _Ptr, bool> struct __pointer_traits_element_type;
template <class _Ptr> struct __pointer_traits_element_type<_Ptr, true>;
template <template <class, class...> class _Sp, class _Tp, class ..._Args> struct __pointer_traits_element_type<_Sp<_Tp, _Args...>, true> {
typedef char type;
};
template <class T> struct B {};
__pointer_traits_element_type<B<int>, true>::type x;
}
namespace PR14281_part1 {
template <class P, int> struct A;
template <class P> struct A<P, 1>;
template <template <class, int> class S, class T> struct A<S<T, 1>, 1> {
typedef char type;
};
template <class T, int i> struct B {};
A<B<int, 1>, 1>::type x;
}
namespace PR14281_part2 {
typedef decltype(nullptr) nullptr_t;
template <class P, nullptr_t> struct A;
template <class P> struct A<P, nullptr>;
template <template <class, nullptr_t> class S, class T> struct A<S<T, nullptr>, nullptr> {
typedef char type;
};
template <class T, nullptr_t i> struct B {};
A<B<int, nullptr>, nullptr>::type x;
}
namespace PR14281_part3 {
extern int some_decl;
template <class P, int*> struct A;
template <class P> struct A<P, &some_decl>;
template <template <class, int*> class S, class T> struct A<S<T, &some_decl>, &some_decl> {
typedef char type;
};
template <class T, int* i> struct B {};
A<B<int, &some_decl>, &some_decl>::type x;
}
namespace var_template_partial_spec_incomplete {
template<typename T> int n;
template<typename T, typename U = void> int n<T *>; // expected-error +{{}} expected-note {{}}
int k = n<void *>;
}
namespace deduceFunctionSpecializationForInvalidOutOfLineFunction {
template <typename InputT, typename OutputT>
struct SourceSelectionRequirement {
template<typename T>
OutputT evaluateSelectionRequirement(InputT &&Value) {
}
};
template <typename InputT, typename OutputT>
OutputT SourceSelectionRequirement<InputT, OutputT>::
evaluateSelectionRequirement<void>(InputT &&Value) { // expected-error {{cannot specialize a member of an unspecialized template}}
return Value;
}
}
namespace PR51872_part1 {
template<int> class T1 { template <struct U1> T1(); };
// expected-error@-1 {{non-type template parameter has incomplete type 'struct U1'}}
// expected-note@-2 {{forward declaration of 'PR51872_part1::U1'}}
T1 t1 = 0;
// expected-error@-1 {{no viable constructor or deduction guide for deduction of template arguments of 'T1'}}
// expected-note@-6 {{candidate template ignored: could not match 'T1<>' against 'int'}}
}
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