1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-using2.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-using2.C
new file mode 100644
index 0000000..59a65e5
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-using2.C
@@ -0,0 +1,18 @@
+// PR c++/49520
+// { dg-do compile { target c++11 } }
+
+namespace x { void foo(); }
+
+template<typename T>
+struct traits
+{
+    static constexpr bool f() { return true; }
+
+    static constexpr bool g()
+    {
+        using x::foo;
+        return f() && noexcept(foo());
+    }
+};
+
+template struct traits<int>;