From dd95d6cca5f52eabbc25e5928a60078a54a4c875 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 20 Nov 2008 16:46:54 +0000
Subject: [PATCH] Handle another case where we should use PTHLexer as an
 alternative to the normal Lexer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59736 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Lex/PPMacroExpansion.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 89885a7cc4..3ce35818f1 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -119,6 +119,8 @@ bool Preprocessor::isNextPPTokenLParen() {
       IncludeStackInfo &Entry = IncludeMacroStack[i-1];
       if (Entry.TheLexer)
         Val = Entry.TheLexer->isNextPPTokenLParen();
+      else if (Entry.ThePTHLexer)
+        Val = Entry.ThePTHLexer->isNextPPTokenLParen();
       else
         Val = Entry.TheTokenLexer->isNextTokenLParen();
       
@@ -126,7 +128,7 @@ bool Preprocessor::isNextPPTokenLParen() {
         break;
       
       // Ran off the end of a source file?
-      if (Entry.TheLexer)
+      if (Entry.ThePPLexer)
         return false;
     }
   }