Add copy support in inliner.

src/compiler/machine-operator-reducer-unittest.cc

Index: src/compiler/machine-operator-reducer-unittest.cc
diff --git a/src/compiler/machine-operator-reducer-unittest.cc b/src/compiler/machine-operator-reducer-unittest.cc
index 4267161954a03ab494102e893577cfa747a60c2e..d3448fb74ff81faaddcadfce624f8d62437cf770 100644
--- a/src/compiler/machine-operator-reducer-unittest.cc
+++ b/src/compiler/machine-operator-reducer-unittest.cc
@@ -20,7 +20,8 @@ class MachineOperatorReducerTest : public GraphTest {
  protected:
   Reduction Reduce(Node* node) {
     Typer typer(zone());
-    JSGraph jsgraph(graph(), common(), &typer);
+    JSOperatorBuilder javascript(zone());
+    JSGraph jsgraph(graph(), common(), &javascript, &typer, &machine_);
     MachineOperatorReducer reducer(&jsgraph);
     return reducer.Reduce(node);
   }