Fix performance degradation in Havlak: prevent conflicting method recognizer kinds to be stored in …

runtime/vm/flow_graph_optimizer.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_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 4367 matching lines @@
         new(I) ZoneGrowableArray<Value*>(call->ArgumentCount());
     for (intptr_t i = 0; i < call->ArgumentCount(); i++) {
       args->Add(new(I) Value(call->ArgumentAt(i)));
     }
     InvokeMathCFunctionInstr* invoke =
         new(I) InvokeMathCFunctionInstr(args,
                                         call->deopt_id(),
                                         recognized_kind,
                                         call->token_pos());
     ReplaceCall(call, invoke);
-  } else if (recognized_kind == MethodRecognizer::kObjectArrayConstructor) {
+  } else if (recognized_kind == MethodRecognizer::kObjectArrayAllocate) {
     Value* type = new(I) Value(call->ArgumentAt(0));
     Value* num_elements = new(I) Value(call->ArgumentAt(1));
     CreateArrayInstr* create_array =
         new(I) CreateArrayInstr(call->token_pos(), type, num_elements);
     ReplaceCall(call, create_array);
   } else if (recognized_kind == MethodRecognizer::kDoubleFromInteger) {
     if (call->HasICData() && (call->ic_data()->NumberOfChecks() == 1)) {
       const ICData& ic_data = *call->ic_data();
       if (CanUnboxDouble() && ArgIsAlways(kSmiCid, ic_data, 0)) {
         Definition* arg = call->ArgumentAt(0);
@@ skipping 5214 matching lines @@
 
   // Insert materializations at environment uses.
   for (intptr_t i = 0; i < exits_collector_.exits().length(); i++) {
     CreateMaterializationAt(
         exits_collector_.exits()[i], alloc, alloc->cls(), *slots);
   }
 }
 
 
 }  // namespace dart