Change comparison-to-branch fusion to actually remove comparison from the graph.

runtime/vm/locations.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/locations.h"
 
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph_compiler.h"
 
 namespace dart {
 
 LocationSummary* LocationSummary::Make(intptr_t input_count,
                                        Location out,
-                                       ContainsCall contains_call,
-                                       ContainsBranch contains_branch) {
+                                       ContainsCall contains_call) {
   LocationSummary* summary = new LocationSummary(input_count,
                                                  0,
-                                                 contains_call,
-                                                 contains_branch);
+                                                 contains_call);
   for (intptr_t i = 0; i < input_count; i++) {
     summary->set_in(i, Location::RequiresRegister());
   }
   summary->set_out(out);
   return summary;
 }
 
 }  // namespace dart