1// RUN: %clang_cc1 -fsyntax-only -verify %s
2template<typename> struct Y1; // expected-note{{too few template parameters in template template argument}}
3template<typename, int> struct Y2;
4
5// C++ [temp.param]p12:
6template<class T1,
7         class T2 = int> // expected-note{{previous default template argument defined here}}
8  class B3;
9template<class T1, typename T2> class B3;
10template<class T1,
11         typename T2 = float> // expected-error{{template parameter redefines default argument}}
12  class B3;
13
14template<template<class, int> class,
15         template<class> class = Y1> // expected-note{{previous default template argument defined here}}
16  class B3t;
17
18template<template<class, int> class, template<class> class> class B3t;
19
20template<template<class, int> class,
21         template<class> class = Y1> // expected-error{{template parameter redefines default argument}}
22  class B3t;
23
24template<int N,
25         int M = 5> // expected-note{{previous default template argument defined here}}
26  class B3n;
27
28template<int N, int M> class B3n;
29
30template<int N,
31         int M = 7>  // expected-error{{template parameter redefines default argument}}
32  class B3n;
33
34// Check validity of default arguments
35template<template<class, int> class // expected-note{{previous template template parameter is here}}
36           = Y1> // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
37  class C1 {};
38
39C1<> c1; // expected-note{{while checking a default template argument}}
40