1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // expected-no-diagnostics 3 template<typename> struct Y1; 4 template<typename, int> struct Y2; 5 6 template<class T1, class T2 = int> class B2; 7 template<class T1 = int, class T2> class B2; 8 9 template<template<class, int> class, template<class> class = Y1> class B2t; 10 template<template<class, int> class = Y2, template<class> class> class B2t; 11 12 template<int N, int M = 5> class B2n; 13 template<int N = 5, int M> class B2n; 14