diff --git a/gcc/cp/method.c b/gcc/cp/method.c
index 353046d3e470996261afa8b819a67b8ed8068ec1..32f7186a7749931b48f38f471a758329a86bc0b5 100644
--- a/gcc/cp/method.c
+++ b/gcc/cp/method.c
@@ -2081,6 +2081,7 @@ constructible_expr (tree to, tree from)
 static tree
 is_xible_helper (enum tree_code code, tree to, tree from, bool trivial)
 {
+  to = complete_type (to);
   deferring_access_check_sentinel acs (dk_no_deferred);
   if (VOID_TYPE_P (to) || ABSTRACT_CLASS_TYPE_P (to)
       || (from && FUNC_OR_METHOD_TYPE_P (from)
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr102305.C b/gcc/testsuite/g++.dg/cpp0x/pr102305.C
new file mode 100644
index 0000000000000000000000000000000000000000..e63adcf53640f8501b2aaa8548cee227f0fe0b30
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr102305.C
@@ -0,0 +1,39 @@
+// PR c++/102305
+// { dg-do compile { target c++11 } }
+
+namespace std
+{
+  template<typename _Tp, _Tp __v>
+    struct integral_constant
+    {
+      static constexpr _Tp value = __v;
+      typedef integral_constant<_Tp, __v> type;
+    };
+
+  template<typename _Tp, _Tp __v>
+    constexpr _Tp integral_constant<_Tp, __v>::value;
+
+  typedef integral_constant<bool, true> true_type;
+  typedef integral_constant<bool, false> false_type;
+
+  template<bool __v>
+    using bool_constant = integral_constant<bool, __v>;
+
+  template<typename _Tp, typename... _Args>
+    struct is_constructible
+    : public bool_constant<__is_constructible(_Tp, _Args...)>
+    {
+    };
+}
+
+template<typename>
+struct A {
+  virtual ~A() = 0;
+};
+
+struct B {
+  virtual ~B() = 0;
+};
+
+static_assert(!std::is_constructible<A<int> >::value, "");
+static_assert(!std::is_constructible<B>::value, "");