1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/llvm/tools/clang/lib/Analysis/CFGReachabilityAnalysis.cpp b/contrib/llvm/tools/clang/lib/Analysis/CFGReachabilityAnalysis.cpp
index 492e66f..4ae135f 100644
--- a/contrib/llvm/tools/clang/lib/Analysis/CFGReachabilityAnalysis.cpp
+++ b/contrib/llvm/tools/clang/lib/Analysis/CFGReachabilityAnalysis.cpp
@@ -69,7 +69,8 @@ void CFGReverseBlockReachabilityAnalysis::mapReachability(const CFGBlock *Dst) {
     // Add the predecessors to the worklist.
     for (CFGBlock::const_pred_iterator i = block->pred_begin(), 
          e = block->pred_end(); i != e; ++i) {
-      worklist.push_back(*i);
+      if (*i)
+        worklist.push_back(*i);
     }
   }
 }