From 333e44c91000c4b7d6a3dc5f79e04358dc78ad3a Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Tue, 7 May 2013 20:37:17 +0000
Subject: [PATCH] [libclang] Add a null check in
 CursorVisitor::visitPreprocessedEntities.

rdar://13680583

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181352 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/libclang/CIndex.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index a43c1ab7e4..c25e625df5 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -426,6 +426,9 @@ bool CursorVisitor::visitPreprocessedEntities(InputIterator First,
       continue;
 
     PreprocessedEntity *PPE = *First;
+    if (!PPE)
+      continue;
+
     if (MacroExpansion *ME = dyn_cast<MacroExpansion>(PPE)) {
       if (Visit(MakeMacroExpansionCursor(ME, TU)))
         return true;
-- 
2.40.0