--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/other/pr80534-2.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,27 @@
+// PR c++/80534
+// { dg-do compile { target c++11 } }
+// { dg-options "" }
+
+template <int, int> struct aligned_storage {
+  struct type {
+    char __data[0];
+  };
+};
+struct A {};
+template <typename _Tp, typename = _Tp> struct unique_ptr;
+template <typename _Tp, typename _Dp> struct unique_ptr<_Tp[], _Dp> {
+  int _M_t;
+  void get() { _M_t; }
+};
+struct B {
+  using Association = A;
+  using Storage = aligned_storage<sizeof(Association), alignof(Association)>::type;
+  using StorageUniquePointer = unique_ptr<Storage[]>;
+  void getAssociationsBegin() { storageUniquePointer_.get(); }
+  StorageUniquePointer storageUniquePointer_;
+};
+struct C {};
+using MainThreadStaticSignalsReceiver = C;
+aligned_storage<sizeof(MainThreadStaticSignalsReceiver),
+                alignof(MainThreadStaticSignalsReceiver)>::type
+    mainThreadStaticSignalsReceiverStorage;