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// RUN: %clang_cc1 -fsyntax-only -verify %s
template<typename T>
struct X0 {
template<typename U> T f0(U);
template<typename U> U& f1(T*, U); // expected-error{{pointer to a reference}} \
// expected-note{{candidate}}
};
X0<int> x0i;
X0<void> x0v;
X0<int&> x0ir; // expected-note{{instantiation}}
void test_X0(int *ip, double *dp) {
X0<int> xi;
int i1 = xi.f0(ip);
double *&dpr = xi.f1(ip, dp);
xi.f1(dp, dp); // expected-error{{no matching}}
X0<void> xv;
double *&dpr2 = xv.f1(ip, dp);
}
template<typename T>
struct X1 {
template<typename U>
struct Inner0 {
U x;
T y; // expected-error{{void}}
};
template<typename U>
struct Inner1 {
U x; // expected-error{{void}}
T y;
};
template<typename U>
struct Inner2 {
struct SuperInner {
U z; // expected-error{{void}}
};
};
template<typename U>
struct Inner3 {
void f0(T t, U u) { // expected-note{{passing argument to parameter 't' here}}
(void)(t + u); // expected-error{{invalid operands}}
}
template<typename V>
V f1(T t, U u, V) {
return t + u; // expected-error{{cannot initialize return object}}
}
};
template<typename U>
struct Inner4;
};
template<typename T>
template<typename U>
struct X1<T>::Inner4 {
template<typename V>
V f2(T t, U u, V);
static U value;
};
template<typename T>
template<typename U>
U X1<T>::Inner4<U>::value; // expected-error{{reference variable}}
template<typename T>
template<typename U>
template<typename V>
V X1<T>::Inner4<U>::f2(T t, U u, V) {
return t + u; // expected-error{{cannot initialize return object}}
}
void test_X1(int *ip, int i, double *dp) {
X1<void>::Inner0<int> *xvip; // okay
X1<void>::Inner0<int> xvi; // expected-note{{instantiation}}
X1<int>::Inner1<void> *xivp; // okay
X1<int>::Inner1<void> xiv; // expected-note{{instantiation}}
X1<int>::Inner2<void>::SuperInner *xisivp; // okay
X1<int>::Inner2<void>::SuperInner xisiv; // expected-note{{instantiation}}
X1<int*>::Inner3<int> id3;
id3.f0(ip, i);
id3.f0(dp, i); // expected-error{{cannot initialize a parameter of type 'int *' with an lvalue of type 'double *'}}
id3.f1(ip, i, ip);
id3.f1(ip, i, dp); // expected-note{{instantiation}}
X1<int*>::Inner3<double*> id3b;
id3b.f0(ip, dp); // expected-note{{instantiation}}
X1<int*>::Inner4<int> id4;
id4.f2(ip, i, dp); // expected-note{{instantiation}}
X1<int*>::Inner4<int>::value = 17;
i = X1<int*>::Inner4<int&>::value; // expected-note{{instantiation}}
}
template<typename T>
struct X2 {
template<T *Ptr> // expected-error{{pointer to a reference}}
struct Inner;
template<T Value> // expected-error{{cannot have type 'float'}}
struct Inner2;
};
X2<int&> x2a; // expected-note{{instantiation}}
X2<float> x2b; // expected-note{{instantiation}}
namespace N0 {
template<typename T>
struct X0 { };
struct X1 {
template<typename T> void f(X0<T>& vals) { g(vals); }
template<typename T> void g(X0<T>& vals) { }
};
void test(X1 x1, X0<int> x0i, X0<long> x0l) {
x1.f(x0i);
x1.f(x0l);
}
}
namespace PR6239 {
template <typename T>
struct X0 {
class type {
typedef T E;
template <E e> // subsitute T for E and bug goes away
struct sfinae { };
template <class U>
typename sfinae<&U::operator=>::type test(int);
};
};
template <typename T>
struct X1 {
typedef T E;
template <E e> // subsitute T for E and bug goes away
struct sfinae { };
template <class U>
typename sfinae<&U::operator=>::type test(int);
};
}
namespace PR7587 {
template<typename> class X0;
template<typename> struct X1;
template<typename> class X2;
template<typename T> class X3
{
template<
template<typename> class TT,
typename U = typename X1<T>::type
>
struct Inner {
typedef X2<TT<typename X1<T>::type> > Type;
};
const typename Inner<X0>::Type minCoeff() const;
};
template<typename T> class X3<T*>
{
template<
template<typename> class TT,
typename U = typename X1<T>::type
>
struct Inner {
typedef X2<TT<typename X1<T>::type> > Type;
};
const typename Inner<X0>::Type minCoeff() const;
};
}
namespace PR7669 {
template<class> struct X {
template<class> struct Y {
template<int,class> struct Z;
template<int Dummy> struct Z<Dummy,int> {};
};
};
void a()
{
X<int>::Y<int>::Z<0,int>();
}
}
namespace PR8489 {
template <typename CT>
class C {
template<typename FT>
void F() {} // expected-note{{FT}}
};
void f() {
C<int> c;
c.F(); // expected-error{{no matching member function}}
}
}
namespace rdar8986308 {
template <bool> struct __static_assert_test;
template <> struct __static_assert_test<true> {};
template <unsigned> struct __static_assert_check {};
namespace std {
template <class _Tp, class _Up>
struct __has_rebind
{
private:
struct __two {char _; char __;};
template <class _Xp> static __two __test(...);
template <class _Xp> static char __test(typename _Xp::template rebind<_Up>* = 0);
public:
static const bool value = sizeof(__test<_Tp>(0)) == 1;
};
}
template <class T> struct B1 {};
template <class T>
struct B
{
template <class U> struct rebind {typedef B1<U> other;};
};
template <class T, class U> struct D1 {};
template <class T, class U>
struct D
{
template <class V> struct rebind {typedef D1<V, U> other;};
};
int main()
{
typedef __static_assert_check<sizeof(__static_assert_test<((std::__has_rebind<B<int>, double>::value))>)> __t64;
typedef __static_assert_check<sizeof(__static_assert_test<((std::__has_rebind<D<char, int>, double>::value))>)> __t64;
}
}
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