From: Steve Naroff <snaroff@apple.com>
Date: Fri, 24 Apr 2009 16:08:42 +0000 (+0000)
Subject: Allow the next catoregory slot to be null.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=521c91024febe01213f134528279f81a2c13bf02;p=clang

Allow the next catoregory slot to be null.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69969 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 06a7258cda..d50ab8310b 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -298,7 +298,9 @@ void PCHDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) {
   for (unsigned I = 0; I != NumProtoRefs; ++I)
     ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
   CD->setProtocolList(&ProtoRefs[0], NumProtoRefs, Reader.getContext());
-  CD->setNextClassCategory(cast<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
+  unsigned nextCat = Record[Idx++];
+  CD->setNextClassCategory(nextCat ? 
+                           cast<ObjCCategoryDecl>(Reader.GetDecl(nextCat)) : 0);
   CD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
 }