[turbofan] Proper dead code elimination as regular reducer.

src/compiler/js-inlining.cc

Index: src/compiler/js-inlining.cc
diff --git a/src/compiler/js-inlining.cc b/src/compiler/js-inlining.cc
index e85e608199e63ad9ee2a41fcacb47cde94c4e5c7..35693308fd3d320ca6c854855632c4f062b7c988 100644
--- a/src/compiler/js-inlining.cc
+++ b/src/compiler/js-inlining.cc
@@ -62,8 +62,8 @@ class JSCallFunctionAccessor {
 class CopyVisitor {
  public:
   CopyVisitor(Graph* source_graph, Graph* target_graph, Zone* temp_zone)
-      : sentinel_op_(IrOpcode::kDeadControl, Operator::kNoProperties,
-                     "Sentinel", 0, 0, 0, 0, 0, 0),
+      : sentinel_op_(IrOpcode::kDead, Operator::kNoProperties, "Sentinel", 0, 0,
+                     0, 0, 0, 0),
         sentinel_(target_graph->NewNode(&sentinel_op_)),
         copies_(source_graph->NodeCount(), sentinel_, temp_zone),
         source_graph_(source_graph),