Cleanup: use a ZoneGrowableArray instead of Array for ICData map.

runtime/vm/coverage.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/coverage.h"
 
 #include "include/dart_api.h"
 
 #include "vm/compiler.h"
 #include "vm/isolate.h"
@@ skipping 52 matching lines @@
     const Error& err = Error::Handle(
         isolate, Compiler::CompileFunction(isolate, function));
     if (!err.IsNull()) {
       OS::Print("### Coverage failed compiling:\n%s\n", err.ToErrorCString());
       return;
     }
   }
   ASSERT(function.HasCode());
 
   // Print the hit counts for all IC datas.
+  ZoneGrowableArray<const ICData*>* ic_data_array =
+      new(isolate) ZoneGrowableArray<const ICData*>();
+  function.RestoreICDataMap(ic_data_array);
   const Code& code = Code::Handle(function.unoptimized_code());
-  const Array& ic_array = Array::Handle(code.ExtractTypeFeedbackArray());
   const PcDescriptors& descriptors = PcDescriptors::Handle(
       code.pc_descriptors());
-  ICData& ic_data = ICData::Handle();
 
   for (int j = 0; j < descriptors.Length(); j++) {
     HANDLESCOPE(isolate);
     PcDescriptors::Kind kind = descriptors.DescriptorKind(j);
     // Only IC based calls have counting.
     if ((kind == PcDescriptors::kIcCall) ||
         (kind == PcDescriptors::kUnoptStaticCall)) {
       intptr_t deopt_id = descriptors.DeoptId(j);
-      ic_data ^= ic_array.At(deopt_id);
-      if (!ic_data.IsNull()) {
+      const ICData* ic_data= (*ic_data_array)[deopt_id];
+      if (!ic_data->IsNull()) {
         intptr_t token_pos = descriptors.TokenPos(j);
         intptr_t line = pos_to_line[token_pos];
 #if defined(DEBUG)
         const Script& script = Script::Handle(function.script());
         intptr_t test_line = -1;
         script.GetTokenLocation(token_pos, &test_line, NULL);
         ASSERT(test_line == line);
 #endif
         hits_arr.AddValue(line);
-        hits_arr.AddValue(ic_data.AggregateCount());
+        hits_arr.AddValue(ic_data->AggregateCount());
       }
     }
   }
 }
 
 
 void CodeCoverage::PrintClass(const Class& cls, const JSONArray& jsarr) {
   Isolate* isolate = Isolate::Current();
   Array& functions = Array::Handle(cls.functions());
   ASSERT(!functions.IsNull());
@@ skipping 121 matching lines @@
           // functions.
           PrintClass(cls, jsarr);
         }
       }
     }
   }
 }
 
 
 }  // namespace dart