[turbofan] Check node input/use consistency for changed operators and new nodes.

src/compiler/select-lowering.cc

Index: src/compiler/select-lowering.cc
diff --git a/src/compiler/select-lowering.cc b/src/compiler/select-lowering.cc
index ee648c6c82fafe76675ece85d879e0975e8db26a..28a5d922b799c8a3116c9c0c01f18cdbef5b50f5 100644
--- a/src/compiler/select-lowering.cc
+++ b/src/compiler/select-lowering.cc
@@ -52,10 +52,10 @@ Reduction SelectLowering::Reduce(Node* node) {
   }
 
   // Create a Phi hanging off the previously determined merge.
-  NodeProperties::ChangeOp(node, common()->Phi(p.type(), 2));
   node->ReplaceInput(0, vthen);
   node->ReplaceInput(1, velse);
   node->ReplaceInput(2, merge);
+  NodeProperties::ChangeOp(node, common()->Phi(p.type(), 2));
   return Changed(node);
 }