Polymorphic inlining for some recognized methods in the optimizing compiler.

runtime/vm/flow_graph_compiler.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/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/cha.h"
 #include "vm/dart_entry.h"
@@ skipping 134 matching lines @@
           if ((locs != NULL) && locs->can_call()) {
             is_leaf = false;
           }
         }
       }
     }
   }
   if (is_leaf) {
     // Remove the stack overflow check at function entry.
     Instruction* first = flow_graph_.graph_entry()->normal_entry()->next();
-    ASSERT(first->IsCheckStackOverflow());
     if (first->IsCheckStackOverflow()) first->RemoveFromGraph();
   }
 }
 
 
 bool FlowGraphCompiler::CanOptimize() {
   return !FLAG_report_usage_count &&
          (FLAG_optimization_counter_threshold >= 0);
 }
 
@@ skipping 973 matching lines @@
 
   for (int i = 0; i < len; i++) {
     sorted->Add(CidTarget(ic_data.GetReceiverClassIdAt(i),
                           &Function::ZoneHandle(ic_data.GetTargetAt(i)),
                           ic_data.GetCountAt(i)));
   }
   sorted->Sort(HighestCountFirst);
 }
 
 }  // namespace dart