1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 template<typename T, typename U>
4 struct X0 : T::template apply<U> {
5   X0(U u) : T::template apply<U>(u) { }
6 };
7 
8 template<typename T, typename U>
9 struct X1 : T::apply<U> { }; // expected-error{{use 'template' keyword to treat 'apply' as a dependent template name}}
10 
11 template<typename T>
12 struct X2 : vector<T> { }; // expected-error{{unknown template name 'vector'}}
13 
14 namespace PR6031 {
15   template<typename T>
16   struct A;
17 
18   template <class X>
19   struct C { };
20 
21   template <class TT>
22   struct II {
23     typedef typename A<TT>::type type;
24   };
25 
26   template <class TT>
27   struct FI : II<TT>
28   {
29     C<typename FI::type> a;
30   };
31 
32   template <class TT>
33   struct FI2
34   {
35     C<typename FI2::type> a; // expected-error{{no type named 'type' in 'FI2<TT>'}}
36   };
37 
38   template<typename T>
39   struct Base {
40     class Nested { };
41     template<typename U> struct MemberTemplate { };
42     int a;
43   };
44 
45   template<typename T>
46   struct HasDepBase : Base<T> {
fooPR6031::HasDepBase47     int foo() {
48       class HasDepBase::Nested nested;
49       typedef typename HasDepBase::template MemberTemplate<T>::type type;
50       return HasDepBase::a;
51     }
52   };
53 
54   template<typename T>
55   struct NoDepBase {
fooPR6031::NoDepBase56     int foo() {
57       class NoDepBase::Nested nested; // expected-error{{no class named 'Nested' in 'NoDepBase<T>'}}
58       typedef typename NoDepBase::template MemberTemplate<T>::type type; // expected-error{{no member named 'MemberTemplate' in 'NoDepBase<T>'}} \
59       // FIXME: expected-error{{unqualified-id}}
60       return NoDepBase::a; // expected-error{{no member named 'a' in 'NoDepBase<T>'}}
61     }
62   };
63 }
64 
65 namespace Ambig {
66   template<typename T>
67   struct Base1 {
68     typedef int type; // expected-note{{member found by ambiguous name lookup}}
69   };
70 
71   struct Base2 {
72     typedef float type; // expected-note{{member found by ambiguous name lookup}}
73   };
74 
75   template<typename T>
76   struct Derived : Base1<T>, Base2 {
77     typedef typename Derived::type type; // expected-error{{member 'type' found in multiple base classes of different types}}
fooAmbig::Derived78     type *foo(float *fp) { return fp; }
79   };
80 
81   Derived<int> di; // expected-note{{instantiation of}}
82 }
83 
84 namespace PR6081 {
85   template<typename T>
86   struct A { };
87 
88   template<typename T>
89   class B : public A<T>
90   {
91   public:
92     template< class X >
f0(const X & k)93     void f0(const X & k)
94     {
95       this->template f1<int>()(k);
96     }
97   };
98 
99   template<typename T>
100   class C
101   {
102   public:
103     template< class X >
f0(const X & k)104     void f0(const X & k)
105     {
106       this->template f1<int>()(k); // expected-error{{no member named 'f1' in 'C<T>'}} \
107       // FIXME: expected-error{{unqualified-id}} \
108       // expected-error{{function-style cast or type construction}} \
109       // expected-error{{expected expression}}
110     }
111   };
112 }
113 
114 namespace PR6413 {
115   template <typename T> class Base_A { };
116 
117   class Base_B { };
118 
119   template <typename T>
120   class Derived
121     : public virtual Base_A<T>
122     , public virtual Base_B
123   { };
124 }
125 
126 namespace PR5812 {
127   template <class T> struct Base {
128     Base* p;
129   };
130 
131   template <class T> struct Derived: public Base<T> {
132     typename Derived::Base* p; // meaning Derived::Base<T>
133   };
134 
135   Derived<int> di;
136 }
137