Expose functionality to create a stack trace to internal vm code.

runtime/vm/flow_graph_inliner.cc

 // Copyright (c) 2013, 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_inliner.h"
 
 #include "vm/block_scheduler.h"
 #include "vm/compiler.h"
 #include "vm/flags.h"
 #include "vm/flow_graph.h"
@@ skipping 579 matching lines @@
       // should have kept GC from detaching, but let's assert just to make sure.
       ASSERT(function.HasCode());
       ic_data_array = unoptimized_code.ExtractTypeFeedbackArray();
 
       // Build the callee graph.
       InlineExitCollector* exit_collector =
           new InlineExitCollector(caller_graph_, call);
       FlowGraphBuilder builder(parsed_function,
                                ic_data_array,
                                exit_collector,
-                               Isolate::kNoDeoptId);
+                               Isolate::kNoDeoptId,
+                               true);
       builder.SetInitialBlockId(caller_graph_->max_block_id());
       FlowGraph* callee_graph;
       {
         TimerScope timer(FLAG_compiler_stats,
                          &CompilerStats::graphinliner_build_timer,
                          isolate);
         callee_graph = builder.BuildGraph();
       }
 
       // The parameter stubs are a copy of the actual arguments providing
@@ skipping 1047 matching lines @@
         OS::Print("After Inlining of %s\n", flow_graph_->
                   parsed_function().function().ToFullyQualifiedCString());
         FlowGraphPrinter printer(*flow_graph_);
         printer.PrintBlocks();
       }
     }
   }
 }
 
 }  // namespace dart