diff --git a/clang-tools-extra/clangd/ParsedAST.h b/clang-tools-extra/clangd/ParsedAST.h
--- a/clang-tools-extra/clangd/ParsedAST.h
+++ b/clang-tools-extra/clangd/ParsedAST.h
@@ -41,6 +41,7 @@
 #include <vector>
 
 namespace clang {
+class Sema;
 namespace clangd {
 class HeuristicResolver;
 class SymbolIndex;
@@ -68,6 +69,8 @@
   ASTContext &getASTContext();
   const ASTContext &getASTContext() const;
 
+  Sema &getSema();
+
   Preprocessor &getPreprocessor();
   std::shared_ptr<Preprocessor> getPreprocessorPtr();
   const Preprocessor &getPreprocessor() const;
diff --git a/clang-tools-extra/clangd/ParsedAST.cpp b/clang-tools-extra/clangd/ParsedAST.cpp
--- a/clang-tools-extra/clangd/ParsedAST.cpp
+++ b/clang-tools-extra/clangd/ParsedAST.cpp
@@ -558,6 +558,8 @@
   return Clang->getASTContext();
 }
 
+Sema &ParsedAST::getSema() { return Clang->getSema(); }
+
 Preprocessor &ParsedAST::getPreprocessor() { return Clang->getPreprocessor(); }
 
 std::shared_ptr<Preprocessor> ParsedAST::getPreprocessorPtr() {
diff --git a/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt b/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt
--- a/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt
+++ b/clang-tools-extra/clangd/refactor/tweaks/CMakeLists.txt
@@ -25,6 +25,7 @@
   PopulateSwitch.cpp
   RawStringLiteral.cpp
   RemoveUsingNamespace.cpp
+  SpecialMembers.cpp
   SwapIfBranches.cpp
 
   LINK_LIBS