1 files changed, 3 insertions, 2 deletions
diff --git a/lib/AST/RecordLayoutBuilder.cpp b/lib/AST/RecordLayoutBuilder.cpp
index 88d71ce042..d01c4a0523 100644
--- a/lib/AST/RecordLayoutBuilder.cpp
+++ b/lib/AST/RecordLayoutBuilder.cpp
@@ -660,8 +660,9 @@ class RecordLayoutBuilder {
 
   void UpdateAlignment(unsigned NewAlignment);
 
-  RecordLayoutBuilder(const RecordLayoutBuilder&);   // DO NOT IMPLEMENT
-  void operator=(const RecordLayoutBuilder&); // DO NOT IMPLEMENT
+  // DO NOT IMPLEMENT
+  RecordLayoutBuilder(const RecordLayoutBuilder&) ATTRIBUTE_UNUSED;
+  void operator=(const RecordLayoutBuilder&) ATTRIBUTE_UNUSED;
 public:
   static const CXXMethodDecl *ComputeKeyFunction(const CXXRecordDecl *RD);
 };