Add an out-of-line virtual method for the sdnode class to give it a home.

llvm-svn: 29192
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 13f0c49..07b7c88 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2702,6 +2702,10 @@
 //                              SDNode Class
 //===----------------------------------------------------------------------===//
 
+// Out-of-line virtual method to give class a home.
+void SDNode::ANCHOR() {
+}
+
 
 /// getValueTypeList - Return a pointer to the specified value type.
 ///