Added transfer function support in GRExprEngine for __extension__.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48385 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Analysis/GRExprEngine.cpp b/Analysis/GRExprEngine.cpp
index 209a1d5b4fcd9662d3eb38bc9d09d6d15470792a..a32999eb513f8f635d59920cc50f70a72df12c67 100644 (file)
--- a/Analysis/GRExprEngine.cpp
+++ b/Analysis/GRExprEngine.cpp
@@ -926,6 +926,10 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, NodeTy* Pred,
     // Handle all other unary operators.
     
     switch (U->getOpcode()) {
+        
+      case UnaryOperator::Extension:
+        St = SetRVal(St, U, SubV);
+        break;
 
       case UnaryOperator::Minus:
         St = SetRVal(St, U, EvalMinus(U, cast<NonLVal>(SubV)));