[turbofan] Introduce DeadValue and DeadEffect operators.

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

Index: test/unittests/compiler/node-properties-unittest.cc
diff --git a/test/unittests/compiler/node-properties-unittest.cc b/test/unittests/compiler/node-properties-unittest.cc
index 463948d43f4e33de2d05901d1c943ded2b97ae15..f73d4644a2364b47e634bb6ada3d605088f59429 100644
--- a/test/unittests/compiler/node-properties-unittest.cc
+++ b/test/unittests/compiler/node-properties-unittest.cc
@@ -32,7 +32,7 @@ class NodePropertiesTest : public TestWithZone {
 
 namespace {
 
-const Operator kMockOperator(IrOpcode::kDead, Operator::kNoProperties,
+const Operator kMockOperator(IrOpcode::kDeadControl, Operator::kNoProperties,
                              "MockOperator", 0, 0, 0, 1, 1, 2);
 const Operator kMockCallOperator(IrOpcode::kCall, Operator::kNoProperties,
                                  "MockCallOperator", 0, 0, 0, 0, 0, 2);