1 files changed, 70 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/23_containers/deque/cons/55977.cc b/libstdc++-v3/testsuite/23_containers/deque/cons/55977.cc
new file mode 100644
index 00000000000..ef2d7c01c8d
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/deque/cons/55977.cc
@@ -0,0 +1,70 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++11" }
+
+// Copyright (C) 2013 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <memory>
+#include <utility>
+#include <deque>
+#include <iterator>
+
+template <class T>
+struct MyAllocator
+{
+  std::allocator<T> base;
+  typedef T         value_type;
+
+  // FIXME: these types shouldn't be required.
+  typedef T*        pointer;
+  typedef const T*  const_pointer;
+  typedef T&        reference;
+  typedef const T&  const_reference;
+  template <typename U>
+    struct rebind
+    { typedef MyAllocator<U> other; };
+
+  MyAllocator() = default;
+  template <class U>
+  MyAllocator(const MyAllocator<U>& other) : base(other.base) {}
+  T* allocate(std::size_t n) { return base.allocate(n); }
+  void deallocate(T* p, std::size_t n) { return base.deallocate(p, n); }
+  template <class U, class... Args>
+  void construct(U* p, Args&&... args)
+  {
+    ::new (static_cast<void*>(p)) U(std::forward<Args>(args)...);
+  }
+};
+
+struct A
+{
+private:
+  friend class MyAllocator<A>;
+  A(int value) : value(value) {}
+  int value;
+public:
+  A() : value() {}
+  int get() const { return value; }
+};
+
+void foo()
+{
+  std::deque<A, MyAllocator<A>> v1;
+  const int i = 1;
+  v1.emplace_back(i); // OK
+  std::deque<A, MyAllocator<A>> v2(std::istream_iterator<int>(), {}); // ERROR
+}