Add support for OSR in kernel-based FlowGraphBuilder

runtime/vm/flow_graph_builder.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/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/compiler.h"
@@ skipping 4619 matching lines @@
 
   FlowGraph* graph =
       new(Z) FlowGraph(parsed_function(), graph_entry_, last_used_block_id_);
   return graph;
 }
 
 
 void FlowGraphBuilder::PruneUnreachable() {
   ASSERT(osr_id_ != Compiler::kNoOSRDeoptId);
   BitVector* block_marks = new(Z) BitVector(Z, last_used_block_id_ + 1);
-  bool found = graph_entry_->PruneUnreachable(this, graph_entry_, NULL, osr_id_,
+  bool found = graph_entry_->PruneUnreachable(graph_entry_, NULL, osr_id_,
                                               block_marks);
   ASSERT(found);
 }
 
 
 void FlowGraphBuilder::Bailout(const char* reason) const {
   parsed_function_.Bailout("FlowGraphBuilder", reason);
 }
 
 }  // namespace dart