18fbe78f6SDaniel Dunbar // RUN: %clang_cc1 -fsyntax-only -verify %s 2*c6e68daaSAndy Gibbs // expected-no-diagnostics 3a5d5c749SDouglas Gregor template<typename> struct Y1; 4a5d5c749SDouglas Gregor template<typename, int> struct Y2; 5a5d5c749SDouglas Gregor 6a5d5c749SDouglas Gregor template<class T1, class T2 = int> class B2; 7a5d5c749SDouglas Gregor template<class T1 = int, class T2> class B2; 8a5d5c749SDouglas Gregor 9a5d5c749SDouglas Gregor template<template<class, int> class, template<class> class = Y1> class B2t; 10a5d5c749SDouglas Gregor template<template<class, int> class = Y2, template<class> class> class B2t; 11a5d5c749SDouglas Gregor 12a5d5c749SDouglas Gregor template<int N, int M = 5> class B2n; 13a5d5c749SDouglas Gregor template<int N = 5, int M> class B2n; 14