--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/abi/no_unique_address5.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,18 @@
+// PR c++/88865
+// { dg-do compile { target c++11 } }
+
+struct B {};
+struct A {
+    [[no_unique_address]] B a;
+    [[no_unique_address]] B b;
+    [[no_unique_address]] B c;
+    [[no_unique_address]] B d;
+};
+
+#define SA(X) static_assert((X),#X)
+SA(sizeof(A) == 4);
+
+A a;
+SA(&a.a != &a.b);
+SA(&a.c != &a.b);
+SA(&a.c != &a.d);