simplification and speedup

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69963 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp
index 3cba06f460..0c3aa02361 100644
--- a/lib/Lex/PPExpressions.cpp
+++ b/lib/Lex/PPExpressions.cpp
@@ -90,7 +90,7 @@ static bool EvaluateValue(PPValue &Result, Token &PeekTok, DefinedTracker &DT,
     // If this identifier isn't 'defined' and it wasn't macro expanded, it turns
     // into a simple 0, unless it is the C++ keyword "true", in which case it
     // turns into "1".
-    if (II->getPPKeywordID() != tok::pp_defined) {
+    if (!II->isStr("defined")) {
       if (ValueLive)
         PP.Diag(PeekTok, diag::warn_pp_undef_identifier) << II;
       Result.Val = II->getTokenID() == tok::kw_true;