Check in the correct version of the patch in r59279.

llvm-svn: 59280
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 66ada59..758b8f2 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -462,7 +462,7 @@
   } else {
     std::string s;
     raw_string_ostream oss(s);
-    SU->MI->print(oss);
+    SU->getInstr()->print(oss);
     Op += oss.str();
   }