Clone both descriptor and data array when compiling in background

runtime/vm/source_report.cc

 // Copyright (c) 2015, 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/source_report.h"
 
 #include "vm/compiler.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 
@@ skipping 100 matching lines @@
 
 
 void SourceReport::PrintCallSitesData(JSONObject* jsobj,
                                       const Function& function,
                                       const Code& code) {
   const TokenPosition begin_pos = function.token_pos();
   const TokenPosition end_pos = function.end_token_pos();
 
   ZoneGrowableArray<const ICData*>* ic_data_array =
       new(zone()) ZoneGrowableArray<const ICData*>();
-  function.RestoreICDataMap(ic_data_array, false /* clone descriptors */);
+  function.RestoreICDataMap(ic_data_array, false /* clone ic-data */);
   const PcDescriptors& descriptors = PcDescriptors::Handle(
       zone(), code.pc_descriptors());
 
   JSONArray sites(jsobj, "callSites");
 
   PcDescriptors::Iterator iter(
       descriptors,
       RawPcDescriptors::kIcCall | RawPcDescriptors::kUnoptStaticCall);
   while (iter.MoveNext()) {
     HANDLESCOPE(thread());
@@ skipping 11 matching lines @@
 }
 
 void SourceReport::PrintCoverageData(JSONObject* jsobj,
                                      const Function& function,
                                      const Code& code) {
   const TokenPosition begin_pos = function.token_pos();
   const TokenPosition end_pos = function.end_token_pos();
 
   ZoneGrowableArray<const ICData*>* ic_data_array =
       new(zone()) ZoneGrowableArray<const ICData*>();
-  function.RestoreICDataMap(ic_data_array, false /* clone descriptors */);
+  function.RestoreICDataMap(ic_data_array, false /* clone ic-data */);
   const PcDescriptors& descriptors = PcDescriptors::Handle(
       zone(), code.pc_descriptors());
 
   const int kCoverageNone = 0;
   const int kCoverageMiss = 1;
   const int kCoverageHit = 2;
 
   intptr_t func_length = (end_pos.Pos() - begin_pos.Pos()) + 1;
   GrowableArray<char> coverage(func_length);
   coverage.SetLength(func_length);
@@ skipping 207 matching lines @@
     VisitClosures(&ranges);
   }
 
   // Print the script table.
   JSONArray scripts(&report, "scripts");
   PrintScriptTable(&scripts);
 }
 
 
 }  // namespace dart