Polymorphic inlining of [] operations.

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 9529 matching lines @@
     // Frequent case.
     return raw();
   }
   const intptr_t kNumArgsTested = 1;
   ICData& result = ICData::Handle(ICData::New(
       Function::Handle(function()),
       String::Handle(target_name()),
       Array::Handle(arguments_descriptor()),
       deopt_id(),
       kNumArgsTested));
+  result.set_deopt_reason(deopt_reason());
   const intptr_t len = NumberOfChecks();
   for (intptr_t i = 0; i < len; i++) {
     const intptr_t class_id = GetClassIdAt(i, arg_nr);
     const intptr_t count = GetCountAt(i);
     intptr_t duplicate_class_id = -1;
     const intptr_t result_len = result.NumberOfChecks();
     for (intptr_t k = 0; k < result_len; k++) {
       if (class_id == result.GetReceiverClassIdAt(k)) {
         duplicate_class_id = k;
         break;
@@ skipping 5325 matching lines @@
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
 }
 
 
 }  // namespace dart