Add workaround for __builtin_offsetof in the static analyzer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50500 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 7506c80f5e73372dc5ae27585e926027351b68ef..7bfcaab1121e5eee33e039b18773b952aedfd059 100644 (file)
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -1481,6 +1481,12 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, NodeTy* Pred,
       return;
     }
 
+      
+    case UnaryOperator::OffsetOf:
+      // FIXME: Just report "Unknown" known for OffsetOf.
+      Dst.Add(Pred);
+      return;
+      
     case UnaryOperator::Plus: assert (!asLVal);  // FALL-THROUGH.
     case UnaryOperator::Extension: {