1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor11.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor11.C
new file mode 100644
index 0000000000..4b526eaa79
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-ctor11.C
@@ -0,0 +1,16 @@
+// PR c++/55856
+// { dg-options -std=c++11 }
+
+struct A
+{
+  A(const char *);
+};
+
+template <class T>
+struct B
+{
+  T t;
+  template <class U> constexpr B(U&& u): t(u) { };
+};
+
+B<A&&> b("");