1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Frontend/RewriteMacros.cpp b/lib/Frontend/RewriteMacros.cpp
index 0bcbd4ff0ee4c..954e8e23cac79 100644
--- a/lib/Frontend/RewriteMacros.cpp
+++ b/lib/Frontend/RewriteMacros.cpp
@@ -79,7 +79,7 @@ static void LexRawTokensFromMainFile(Preprocessor &PP,
     // up the indentifier info.  This is important for equality comparison of
     // identifier tokens.
     if (RawTok.is(tok::identifier) && !RawTok.getIdentifierInfo())
-      RawTok.setIdentifierInfo(PP.LookUpIdentifierInfo(RawTok));
+      PP.LookUpIdentifierInfo(RawTok);
 
     RawTokens.push_back(RawTok);
   } while (RawTok.isNot(tok::eof));