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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 
      3 struct add_pointer {
      4   template<typename T>
      5   struct apply {
      6     typedef T* type;
      7   };
      8 };
      9 
     10 struct add_reference {
     11   template<typename T>
     12   struct apply {
     13     typedef T& type; // expected-error{{cannot form a reference to 'void'}}
     14   };
     15 };
     16 
     17 struct bogus {
     18   struct apply {
     19     typedef int type;
     20   };
     21 };
     22 
     23 template<typename MetaFun, typename T>
     24 struct apply1 {
     25   typedef typename MetaFun::template apply<T>::type type; // expected-note{{in instantiation of template class 'add_reference::apply<void>' requested here}} \
     26   // expected-error{{'apply' following the 'template' keyword does not refer to a template}}
     27 };
     28 
     29 int i;
     30 apply1<add_pointer, int>::type ip = &i;
     31 apply1<add_reference, int>::type ir = i;
     32 apply1<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}}
     33 
     34 void test() {
     35   apply1<add_reference, void>::type t; // expected-note{{in instantiation of template class 'apply1<add_reference, void>' requested here}}
     36 
     37   apply1<bogus, int>::type t2; // expected-note{{in instantiation of template class 'apply1<bogus, int>' requested here}}
     38 }
     39 
     40 
     41