fix a typo that GCC should have caught that causes crashes with -view-*-dags


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74364 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 0ab1473..0342f67 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5540,7 +5540,7 @@
   } else if (const ExternalSymbolSDNode *ES =
              dyn_cast<ExternalSymbolSDNode>(this)) {
     OS << "'" << ES->getSymbol() << "'";
-    if (unsigned char TF = GADN->getTargetFlags())
+    if (unsigned char TF = ES->getTargetFlags())
       OS << " [TF=" << TF << ']';
   } else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
     if (M->getValue())