From: Sebastian Redl <sebastian.redl@getdesigned.at>
Date: Mon, 27 Sep 2010 23:20:01 +0000 (+0000)
Subject: My previous fix was incorrect for non-chained PCH reuse. Fix again.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=196f557741eeb346cc7cb6aa85f75dd9f82b4a06;p=clang

My previous fix was incorrect for non-chained PCH reuse. Fix again.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114922 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index 61ba5ab71b..3f537d21ab 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -1334,7 +1334,7 @@ void ASTWriter::WritePreprocessor(const Preprocessor &PP) {
   // If the preprocessor has a preprocessing record, emit it.
   unsigned NumPreprocessingRecords = 0;
   if (PPRec) {
-    unsigned IndexBase = PPRec->getNumPreallocatedEntities();
+    unsigned IndexBase = Chain ? PPRec->getNumPreallocatedEntities() : 0;
     for (PreprocessingRecord::iterator E = PPRec->begin(Chain),
                                        EEnd = PPRec->end(Chain);
          E != EEnd; ++E) {