1 files changed, 3 insertions, 0 deletions
diff --git a/include/clang/AST/CommentSema.h b/include/clang/AST/CommentSema.h
index 56d61f1693..17d9ab7761 100644
--- a/include/clang/AST/CommentSema.h
+++ b/include/clang/AST/CommentSema.h
@@ -30,6 +30,9 @@ class SourceMgr;
 namespace comments {
 
 class Sema {
+  Sema(const Sema&);           // DO NOT IMPLEMENT
+  void operator=(const Sema&); // DO NOT IMPLEMENT
+
   /// Allocator for AST nodes.
   llvm::BumpPtrAllocator &Allocator;