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1// RUN: %clang_cc1 -verify %s2 3namespace deduce_pack_non_pack {4  template <typename...> class A;5  template <typename> struct C {};6  template <typename T> void g(C<A<T>>); // expected-note {{candidate template ignored: deduced type 'C<A<[...], (no argument)>>' of 1st parameter does not match adjusted type 'C<A<[...], int>>' of argument [with T = bool]}}7  void h(C<A<bool, int>> &x) { g(x); } // expected-error {{no matching function}}8}9 10namespace pr39231 {11  template<typename T, T ...V> struct integer_sequence {};12 13  template <typename T, T... A, T... B>14  int operator^(integer_sequence<T, A...> a, // expected-note {{deduced conflicting values for parameter 'A' (<1, 2, 3> vs. <4, 5, 6>)}}15                integer_sequence<T, A...> b);16 17  int v = integer_sequence<int, 1, 2, 3>{} ^ integer_sequence<int, 4, 5, 6>{}; // expected-error {{invalid operands}}18 19  template <typename T, T... A, T... B>20  integer_sequence<T, A + B...> operator+(integer_sequence<T, A...> a,21                                          integer_sequence<T, B...> b);22  integer_sequence<int, 5, 7, 9> w =23      integer_sequence<int, 1, 2, 3>{} + integer_sequence<int, 4, 5, 6>{};24}25