1 // PR 68724 ICE in  unificiation
2 // { dg-do compile { target c++11 } }
3 
4 template <typename _Tp, _Tp>
5 struct integral_constant
6 {
7 };
8 
9 integral_constant<bool, true> inst;
10 
11 template <typename _Tp>
12 struct integral_constant<bool, __is_enum(_Tp)> // { dg-error "32:template argument" }
13 {
14 };
15 
16