1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/decltype47.C b/gcc/testsuite/g++.dg/cpp0x/decltype47.C
new file mode 100644
index 0000000000..f6700a33cd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/decltype47.C
@@ -0,0 +1,12 @@
+// PR c++/55564
+// { dg-do compile { target c++11 } }
+
+template <typename T, decltype(sizeof(T)) N>
+auto array_size(T(&)[N]) -> decltype(N) { return N; }
+
+int main() {
+  int simple[4] = {};
+  int result =  array_size(simple);
+
+  return result;
+}