1 files changed, 26 insertions, 0 deletions
diff --git a/test/SemaCXX/align_value.cpp b/test/SemaCXX/align_value.cpp
new file mode 100644
index 0000000000000..519868201f994
--- /dev/null
+++ b/test/SemaCXX/align_value.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+typedef double * __attribute__((align_value(64))) aligned_double;
+
+void foo(aligned_double x, double * y __attribute__((align_value(32))),
+         double & z __attribute__((align_value(128)))) { };
+
+template <typename T, int Q>
+struct x {
+  typedef T* aligned_int __attribute__((align_value(32+8*Q)));
+  aligned_int V;
+
+  void foo(aligned_int a, T &b __attribute__((align_value(sizeof(T)*4))));
+};
+
+x<float, 4> y;
+
+template <typename T, int Q>
+struct nope {
+  // expected-error@+1 {{requested alignment is not a power of 2}}
+  void foo(T &b __attribute__((align_value(sizeof(T)+1))));
+};
+
+// expected-note@+1 {{in instantiation of template class 'nope<long double, 4>' requested here}}
+nope<long double, 4> y2;
+