No need to call setIdentifierInfo() after LookUpIdentifierInfo() which LookUpIdentifierInfo() will automatically do

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98435 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CacheTokens.cpp b/lib/Frontend/CacheTokens.cpp
index c845d56..ab5465a 100644
--- a/lib/Frontend/CacheTokens.cpp
+++ b/lib/Frontend/CacheTokens.cpp
@@ -295,7 +295,7 @@
     }
 
     if (Tok.is(tok::identifier)) {
-      Tok.setIdentifierInfo(PP.LookUpIdentifierInfo(Tok));
+      PP.LookUpIdentifierInfo(Tok);
       EmitToken(Tok);
       continue;
     }
@@ -321,7 +321,6 @@
       }
 
       IdentifierInfo* II = PP.LookUpIdentifierInfo(Tok);
-      Tok.setIdentifierInfo(II);
       tok::PPKeywordKind K = II->getPPKeywordID();
 
       ParsingPreprocessorDirective = true;
@@ -344,7 +343,7 @@
         L.setParsingPreprocessorDirective(false);
         assert(!Tok.isAtStartOfLine());
         if (Tok.is(tok::identifier))
-          Tok.setIdentifierInfo(PP.LookUpIdentifierInfo(Tok));
+          PP.LookUpIdentifierInfo(Tok);
 
         break;
       }
diff --git a/lib/Frontend/RewriteMacros.cpp b/lib/Frontend/RewriteMacros.cpp
index 0bcbd4f..954e8e2 100644
--- a/lib/Frontend/RewriteMacros.cpp
+++ b/lib/Frontend/RewriteMacros.cpp
@@ -79,7 +79,7 @@
     // 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));
diff --git a/lib/Lex/TokenLexer.cpp b/lib/Lex/TokenLexer.cpp
index 5d95eb3..aae7352 100644
--- a/lib/Lex/TokenLexer.cpp
+++ b/lib/Lex/TokenLexer.cpp
@@ -325,7 +325,7 @@
     // returned by PasteTokens, not the pasted token.
     if (PasteTokens(Tok))
       return;
-    
+
     TokenIsFromPaste = true;
   }
 
@@ -506,8 +506,7 @@
   if (Tok.is(tok::identifier)) {
     // Look up the identifier info for the token.  We disabled identifier lookup
     // by saying we're skipping contents, so we need to do this manually.
-    IdentifierInfo *II = PP.LookUpIdentifierInfo(Tok, ResultTokStrPtr);
-    Tok.setIdentifierInfo(II);
+    PP.LookUpIdentifierInfo(Tok, ResultTokStrPtr);
   }
   return false;
 }