Removed flag optimize-constructed-arrays.

src/hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 8861 matching lines @@
     receiver->DeleteAndReplaceWith(NULL);
     check->DeleteAndReplaceWith(NULL);
     environment()->SetExpressionStackAt(receiver_index, function);
     HInstruction* call = PreProcessCall(
         new(zone()) HCallNew(context, function, argument_count));
     call->set_position(expr->position());
     return ast_context()->ReturnInstruction(call, expr->id());
   } else {
     // The constructor function is both an operand to the instruction and an
     // argument to the construct call.
-    Handle<JSFunction> array_function =
-        Handle<JSFunction>(isolate()->global_context()->array_function(),
-                           isolate());
-    bool use_call_new_array = FLAG_optimize_constructed_arrays &&
-        expr->target().is_identical_to(array_function);
-
+    Handle<JSFunction> array_function(
+        isolate()->global_context()->array_function(), isolate());
     CHECK_ALIVE(VisitArgument(expr->expression()));
     HValue* constructor = HPushArgument::cast(Top())->argument();
     CHECK_ALIVE(VisitArgumentList(expr->arguments()));
     HCallNew* call;
-    if (use_call_new_array) {
+    if (expr->target().is_identical_to(array_function)) {
       Handle<Cell> cell = expr->allocation_info_cell();
       AddInstruction(new(zone()) HCheckFunction(constructor, array_function));
       call = new(zone()) HCallNewArray(context, constructor, argument_count,
                                        cell);
     } else {
       call = new(zone()) HCallNew(context, constructor, argument_count);
     }
     Drop(argument_count);
     call->set_position(expr->position());
     return ast_context()->ReturnInstruction(call, expr->id());
@@ skipping 2655 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal