simplification and speedup
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69963 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp
index 3cba06f..0c3aa02 100644
--- a/lib/Lex/PPExpressions.cpp
+++ b/lib/Lex/PPExpressions.cpp
@@ -90,7 +90,7 @@
// 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;