[turbofan] Proper dead code elimination as regular reducer.

test/unittests/compiler/node-properties-unittest.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/node-properties.h"
 #include "test/unittests/test-utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using testing::AnyOf;
@@ skipping 14 matching lines @@
     return Node::New(zone(), 0, op, arraysize(nodes), nodes, false);
   }
   Node* NewMockNode(const Operator* op, Node* n1, Node* n2) {
     Node* nodes[] = {n1, n2};
     return Node::New(zone(), 0, op, arraysize(nodes), nodes, false);
   }
 };
 
 namespace {
 
-const Operator kMockOperator(IrOpcode::kDeadControl, Operator::kNoProperties,
+const Operator kMockOperator(IrOpcode::kDead, Operator::kNoProperties,
                              "MockOperator", 0, 0, 0, 1, 1, 2);
 const Operator kMockCallOperator(IrOpcode::kCall, Operator::kNoProperties,
                                  "MockCallOperator", 0, 0, 0, 0, 0, 2);
 
 const IfExceptionHint kNoHint = IfExceptionHint::kLocallyCaught;
 
 }  // namespace
 
 
 TEST_F(NodePropertiesTest, ReplaceUses) {
@@ skipping 70 matching lines @@
   Node* if_value2 = NewMockNode(common.IfValue(2), sw);
   NodeProperties::CollectControlProjections(sw, result, arraysize(result));
   EXPECT_THAT(result[0], AnyOf(if_value1, if_value2));
   EXPECT_THAT(result[1], AnyOf(if_value1, if_value2));
   EXPECT_EQ(if_default, result[2]);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8