1 files changed, 21 insertions, 1 deletions
diff --git a/test/SemaTemplate/attributes.cpp b/test/SemaTemplate/attributes.cpp
index 495f4a7..5a06a70 100644
--- a/test/SemaTemplate/attributes.cpp
+++ b/test/SemaTemplate/attributes.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -std=gnu++11 -fsyntax-only -verify %s
 
 namespace attribute_aligned {
   template<int N>
@@ -18,6 +18,26 @@ namespace attribute_aligned {
   check_alignment<2>::t c2;
   check_alignment<3>::t c3; // expected-note 2 {{in instantiation}}
   check_alignment<4>::t c4;
+
+  template<unsigned Size, unsigned Align>
+  class my_aligned_storage
+  {
+    __attribute__((align(Align))) char storage[Size];
+  };
+  
+  template<typename T>
+  class C {
+  public:
+    C() {
+      static_assert(sizeof(t) == sizeof(T), "my_aligned_storage size wrong");
+      static_assert(alignof(t) == alignof(T), "my_aligned_storage align wrong"); // expected-warning{{'alignof' applied to an expression is a GNU extension}}
+    }
+    
+  private:
+    my_aligned_storage<sizeof(T), alignof(T)> t;
+  };
+  
+  C<double> cd;
 }
 
 namespace PR9049 {