From e7455016e5fae3db7e2d88a61633f76ab05fc9d3 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Wed, 23 Feb 2011 04:54:51 +0000
Subject: [PATCH] Add null check in CursorVisitor::RunVisitorWorkList() when
 visiting LabelDecls.  Fixes <rdar://problem/9040579>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126304 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/libclang/CIndex.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index e2882953c0..328ea62f3b 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -1983,10 +1983,12 @@ bool CursorVisitor::RunVisitorWorkList(VisitorWorkList &WL) {
       }
       case VisitorJob::LabelRefVisitKind: {
         LabelDecl *LS = cast<LabelRefVisit>(&LI)->get();
-        if (Visit(MakeCursorLabelRef(LS->getStmt(),
-                                     cast<LabelRefVisit>(&LI)->getLoc(),
-                                     TU)))
-          return true;
+        if (LabelStmt *stmt = LS->getStmt()) {
+          if (Visit(MakeCursorLabelRef(stmt, cast<LabelRefVisit>(&LI)->getLoc(),
+                                       TU))) {
+            return true;
+          }
+        }
         continue;
       }
       case VisitorJob::NestedNameSpecifierVisitKind: {
-- 
2.50.1