1 // PR c++/28659
2 // The attribute was causing us to get confused in merge_types when
3 // combining the template type with an uninstantiated version.
4 // { dg-do compile { target c++11 } }
5 
6 template<class T>
7 struct [[gnu::aligned(1)]] A
8 {
9   A& operator=(const A &t);
10 };
11 
12 template<class T>
13 A<T>& A<T>::operator=(const A<T> &t)
14 {
15 }
16