1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 template<typename> struct Y1;
3 template<typename, int> struct Y2;
4 
5 template<class T1 = int, // expected-note{{previous default template argument defined here}}
6          class T2>  // expected-error{{template parameter missing a default argument}}
7   class B1;
8 
9 template<template<class> class = Y1, // expected-note{{previous default template argument defined here}}
10          template<class> class> // expected-error{{template parameter missing a default argument}}
11   class B1t;
12 
13 template<int N = 5,  // expected-note{{previous default template argument defined here}}
14          int M>  // expected-error{{template parameter missing a default argument}}
15   class B1n;
16