1 files changed, 3 insertions, 3 deletions
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index ea15dbdf2144c..f6e61c0e7ad61 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -890,7 +890,7 @@ public:
   ///
   /// These predefines are automatically injected when parsing the main file.
   void setPredefines(const char *P) { Predefines = P; }
-  void setPredefines(const std::string &P) { Predefines = P; }
+  void setPredefines(StringRef P) { Predefines = P; }
 
   /// Return information about the specified preprocessor
   /// identifier token.
@@ -1617,9 +1617,9 @@ private:
 
   void PushIncludeMacroStack() {
     assert(CurLexerKind != CLK_CachingLexer && "cannot push a caching lexer");
-    IncludeMacroStack.push_back(IncludeStackInfo(
+    IncludeMacroStack.emplace_back(
         CurLexerKind, CurSubmodule, std::move(CurLexer), std::move(CurPTHLexer),
-        CurPPLexer, std::move(CurTokenLexer), CurDirLookup));
+        CurPPLexer, std::move(CurTokenLexer), CurDirLookup);
     CurPPLexer = nullptr;
   }