Index: clang-tidy/modernize/UseNullptrCheck.cpp
===================================================================
--- clang-tidy/modernize/UseNullptrCheck.cpp
+++ clang-tidy/modernize/UseNullptrCheck.cpp
@@ -435,7 +435,7 @@
 private:
   SourceManager &SM;
   ASTContext &Context;
-  const SmallVector<StringRef, 1> &UserNullMacros;
+  const SmallVector<StringRef, 1> UserNullMacros;
   ClangTidyCheck &Check;
   Expr *FirstSubExpr;
   bool PruneSubtree;