diff --git a/clang/test/SemaCXX/vector-bool.cpp b/clang/test/SemaCXX/vector-bool.cpp
--- a/clang/test/SemaCXX/vector-bool.cpp
+++ b/clang/test/SemaCXX/vector-bool.cpp
@@ -92,7 +92,11 @@
 }
 
 void Sizeof() {
-  using FourBools = bool __attribute__((ext_vector_type(8)));
+  using FourBools = bool __attribute__((ext_vector_type(4)));
+  using NineBools = bool __attribute__((ext_vector_type(9)));
+  using ABunchOfBools = bool __attribute__((ext_vector_type(28)));
   static_assert(sizeof(FourBools) == 1);
   static_assert(sizeof(EightBools) == 1);
+  static_assert(sizeof(NineBools) == 2);
+  static_assert(sizeof(ABunchOfBools) == 4);
 }