19ca5c425SRichard Smith // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 2*c6e68daaSAndy Gibbs // expected-no-diagnostics 33f1b5d07SRichard Smith 43f1b5d07SRichard Smith template<typename> struct Y1; 53f1b5d07SRichard Smith template<typename, int> struct Y2; 63f1b5d07SRichard Smith 73f1b5d07SRichard Smith template<class T1, class T2 = int> using B2 = T1; 83f1b5d07SRichard Smith template<class T1 = int, class T2> using B2 = T1; 93f1b5d07SRichard Smith 103f1b5d07SRichard Smith template<template<class> class F, template<class> class G = Y1> using B2t = F<G<int>>; 113f1b5d07SRichard Smith template<template<class> class F = Y2, template<class> class G> using B2t = F<G<int>>; 123f1b5d07SRichard Smith 133f1b5d07SRichard Smith template<int N, int M = 5> using B2n = Y2<int, N + M>; 143f1b5d07SRichard Smith template<int N = 5, int M> using B2n = Y2<int, N + M>; 15