1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/sfinae32.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/sfinae32.C
new file mode 100644
index 0000000..97945c6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/sfinae32.C
@@ -0,0 +1,18 @@
+// PR c++/51989
+// { dg-do compile { target c++11 } }
+
+template <typename T>
+struct is_container
+{
+  template <typename U, typename V = decltype(((U*)0)->begin())>
+  static char test(U* u);
+
+  template <typename U> static long test(...);
+
+  enum { value = sizeof test<T>(0) == 1 };
+};
+
+int main()
+{
+  return is_container<void>::value;
+}