1 files changed, 1 insertions, 1 deletions
diff --git a/include/clang/Serialization/ASTWriter.h b/include/clang/Serialization/ASTWriter.h
index 43228efcba..80ac77c4e5 100644
--- a/include/clang/Serialization/ASTWriter.h
+++ b/include/clang/Serialization/ASTWriter.h
@@ -295,7 +295,7 @@ private:
     };
 
   public:
-    DeclUpdate(unsigned Kind) : Kind(Kind), Dcl(0) {}
+    DeclUpdate(unsigned Kind) : Kind(Kind), Dcl(nullptr) {}
     DeclUpdate(unsigned Kind, const Decl *Dcl) : Kind(Kind), Dcl(Dcl) {}
     DeclUpdate(unsigned Kind, QualType Type)
         : Kind(Kind), Type(Type.getAsOpaquePtr()) {}