--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp2a/range-for16.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,36 @@
+// PR c++/87152
+// { dg-do run }
+// { dg-options "-std=c++2a" }
+
+struct A { int i, j; };
+
+template<typename T>
+void foo ()
+{
+  A a = { .i = 2, .j = 3 };
+  T arr[] = { 1, 1, 1 };
+
+  for (auto & [ x, y ] = a; auto z : arr)
+    if (x + z != 3 || y + z != 4)
+      __builtin_abort ();
+
+  for (T d = 1; auto &z : arr)
+    z += d;
+
+  for (const auto [ x, y ] = a; auto z : arr)
+    if (x + z != 4 || y + z != 5)
+      __builtin_abort ();
+
+  for (T d = 1; auto &z : arr)
+    z += d;
+
+  for (auto [ x, y ] = a; auto z : arr)
+    if (x + z != 5 || y + z != 6)
+      __builtin_abort ();
+}
+
+int
+main ()
+{
+  foo<int>();
+}