1 // PR c++/69095
2 // { dg-do compile { target c++11 } }
3 
4 struct B1 {
5   template <typename Ret, typename... Args, unsigned = sizeof(Args)> // { dg-error "parameter packs not expanded" }
6   void insert(Ret);
7 };
8 
9 struct B2 {
10   template <typename Ret, typename... Args>
11   void insert(Ret, unsigned = sizeof(Args)); // { dg-error "parameter packs not expanded" }
12 };
13 
14 template <typename Ret, typename... Args, unsigned = sizeof(Args)> // { dg-error "parameter packs not expanded" }
15 void insert1(Ret);
16 
17 template <typename Ret, typename... Args>
18 void insert2(Ret, unsigned = sizeof(Args)); // { dg-error "parameter packs not expanded" }
19