diff --git a/libcxx/include/vector b/libcxx/include/vector
--- a/libcxx/include/vector
+++ b/libcxx/include/vector
@@ -2148,6 +2148,8 @@
 #endif
 }
 
+#if !defined(DATAFLOW_SANITIZER)
+
 // vector<bool>
 
 template <class _Allocator> class vector<bool, _Allocator>;
@@ -3331,6 +3333,8 @@
         {return __vec.__hash_code();}
 };
 
+#endif // DATAFLOW_SANITIZER
+
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 bool