--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp1z/decomp48.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,134 @@
+// PR c++/87582
+// { dg-do run { target c++11 } }
+// { dg-options "-Wreturn-local-addr" }
+
+struct S { int s, t; };
+S v {1, 2};
+int a[3] = {1, 2, 3};
+
+int &
+f1 ()
+{
+  auto& [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-bogus "reference to local variable '.' returned" }
+}
+
+int &
+f2 ()
+{
+  S v {1, 2};
+  auto& [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-warning "reference to local variable 'v' returned" }
+}
+
+int &
+f3 ()
+{
+  auto& [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-bogus "reference to local variable '.' returned" }
+}
+
+int &
+f4 ()
+{
+  int a[3] = {1, 2, 3};
+  auto& [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-warning "reference to local variable 'a' returned" }
+}
+
+int &
+f5 ()
+{
+  auto [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-warning "reference to local variable 's' returned" }
+}
+
+int &
+f6 ()
+{
+  S v {1, 2};
+  auto [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-warning "reference to local variable 's' returned" }
+}
+
+int &
+f7 ()
+{
+  auto [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-warning "reference to local variable 's' returned" }
+}
+
+int &
+f8 ()
+{
+  int a[3] = {1, 2, 3};
+  auto [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return s;		// { dg-warning "reference to local variable 's' returned" }
+}
+
+int *
+f9 ()
+{
+  auto& [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-bogus "address of local variable '.' returned" }
+}
+
+int *
+f10 ()
+{
+  S v {1, 2};
+  auto& [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-warning "address of local variable 'v' returned" }
+}
+
+int *
+f11 ()
+{
+  auto& [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-bogus "address of local variable '.' returned" }
+}
+
+int *
+f12 ()
+{
+  int a[3] = {1, 2, 3};
+  auto& [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-warning "address of local variable 'a' returned" }
+}
+
+int *
+f13 ()
+{
+  auto [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-warning "address of local variable 's' returned" }
+}
+
+int *
+f14 ()
+{
+  S v {1, 2};
+  auto [s, t] = v;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-warning "address of local variable 's' returned" }
+}
+
+int *
+f15 ()
+{
+  auto [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-warning "address of local variable 's' returned" }
+}
+
+int *
+f16 ()
+{
+  int a[3] = {1, 2, 3};
+  auto [s, t, u] = a;	// { dg-warning "structured bindings only available with" "" { target c++14_down } }
+  return &s;		// { dg-warning "address of local variable 's' returned" }
+}
+
+int
+main ()
+{
+  if (&f1 () != &v.s || &f3 () != &a[0] || f9 () != &v.s || f11 () != &a[0])
+    __builtin_abort ();
+}