Move input/output counts directly into Operators, simplying OperatorProperties.

test/cctest/compiler/simplified-graph-builder.cc

 // Copyright 2014 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 "test/cctest/compiler/simplified-graph-builder.h"
 
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/operator-properties-inl.h"
 
 namespace v8 {
@@ skipping 58 matching lines @@
     if (has_effect) {
       *current_input++ = effect_;
     }
     if (has_control) {
       *current_input++ = graph()->start();
     }
     result = graph()->NewNode(op, input_count_with_deps, buffer, incomplete);
     if (has_effect) {
       effect_ = result;
     }
-    if (OperatorProperties::HasControlOutput(result->op())) {
-      // This graph builder does not support control flow.
-      UNREACHABLE();
-    }
+    // This graph builder does not support control flow.
+    CHECK_EQ(0, op->ControlOutputCount());
   }
 
   return result;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8