1 files changed, 7 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/alignof.cpp b/clang/test/SemaCXX/alignof.cpp
index 011f459abdf..f51146ccd3c 100644
--- a/clang/test/SemaCXX/alignof.cpp
+++ b/clang/test/SemaCXX/alignof.cpp
@@ -77,3 +77,10 @@ namespace alignof_array_expr {
   // ok, does not complete type of S<-1>::a
   static_assert(alignof(S<-1>::a) == alignof(int), ""); // expected-warning {{GNU extension}}
 }
+
+template <typename T> void n(T) {
+  alignas(T) int T1;
+  char k[__alignof__(T1)];
+  static_assert(sizeof(k) == alignof(long long), "");
+}
+template void n(long long);