Fix warnings in array and assoc containers

llvm-svn: 242629
diff --git a/libcxx/test/std/containers/sequences/array/begin.pass.cpp b/libcxx/test/std/containers/sequences/array/begin.pass.cpp
index 9cba0d6..a6218ae 100644
--- a/libcxx/test/std/containers/sequences/array/begin.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/begin.pass.cpp
@@ -14,6 +14,8 @@
 #include <array>
 #include <cassert>
 
+#include "suppress_array_warnings.h"
+
 int main()
 {
     {
@@ -27,6 +29,4 @@
         *i = 5.5;
         assert(c[0] == 5.5);
     }
-    {
-    }
 }