[analyzer] Forward arguments in registerChecker to avoid accidental copies

Differential Revision: https://reviews.llvm.org/D50108

llvm-svn: 338753

diff --git a/clang/include/clang/StaticAnalyzer/Core/CheckerManager.h b/clang/include/clang/StaticAnalyzer/Core/CheckerManager.h
index 7c35332..ea2952b 100644 (file)
--- a/clang/include/clang/StaticAnalyzer/Core/CheckerManager.h
+++ b/clang/include/clang/StaticAnalyzer/Core/CheckerManager.h
@@ -149,13 +149,13 @@ public:
   ///
   /// \returns a pointer to the checker object.
   template <typename CHECKER, typename... AT>
-  CHECKER *registerChecker(AT... Args) {
+  CHECKER *registerChecker(AT &&... Args) {
     CheckerTag tag = getTag<CHECKER>();
     CheckerRef &ref = CheckerTags[tag];
     if (ref)
       return static_cast<CHECKER *>(ref); // already registered.
 
-    CHECKER *checker = new CHECKER(Args...);
+    CHECKER *checker = new CHECKER(std::forward<AT>(Args)...);
     checker->Name = CurrentCheckName;
     CheckerDtors.push_back(CheckerDtor(checker, destruct<CHECKER>));
     CHECKER::_register(checker, *this);