Removed flag optimize-constructed-arrays.

src/builtins.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 191 matching lines @@
   isolate->counters()->array_function_runtime()->Increment();
 
   JSArray* array;
   if (CalledAsConstructor(isolate)) {
     array = JSArray::cast((*args)[0]);
     // Initialize elements and length in case later allocations fail so that the
     // array object is initialized in a valid state.
     MaybeObject* maybe_array = array->Initialize(0);
     if (maybe_array->IsFailure()) return maybe_array;
 
-    if (FLAG_optimize_constructed_arrays) {
-      AllocationSiteInfo* info = AllocationSiteInfo::FindForJSObject(array);
-      ElementsKind to_kind = array->GetElementsKind();
-      if (info != NULL && info->GetElementsKindPayload(&to_kind)) {
-        if (IsMoreGeneralElementsKindTransition(array->GetElementsKind(),
-                                                to_kind)) {
-          // We have advice that we should change the elements kind
-          if (FLAG_trace_track_allocation_sites) {
-            PrintF("AllocationSiteInfo: pre-transitioning array %p(%s->%s)\n",
-                   reinterpret_cast<void*>(array),
-                   ElementsKindToString(array->GetElementsKind()),
-                   ElementsKindToString(to_kind));
-          }
+    AllocationSiteInfo* info = AllocationSiteInfo::FindForJSObject(array);
+    ElementsKind to_kind = array->GetElementsKind();
+    if (info != NULL && info->GetElementsKindPayload(&to_kind)) {
+      if (IsMoreGeneralElementsKindTransition(array->GetElementsKind(),
+                                              to_kind)) {
+        // We have advice that we should change the elements kind
+        if (FLAG_trace_track_allocation_sites) {
+          PrintF("AllocationSiteInfo: pre-transitioning array %p(%s->%s)\n",
+                 reinterpret_cast<void*>(array),
+                 ElementsKindToString(array->GetElementsKind()),
+                 ElementsKindToString(to_kind));
+        }
 
-          maybe_array = array->TransitionElementsKind(to_kind);
-          if (maybe_array->IsFailure()) return maybe_array;
-        }
+        maybe_array = array->TransitionElementsKind(to_kind);
+        if (maybe_array->IsFailure()) return maybe_array;
       }
     }
 
     if (!FLAG_smi_only_arrays) {
       Context* native_context = isolate->context()->native_context();
       if (array->GetElementsKind() == GetInitialFastElementsKind() &&
           !native_context->js_array_maps()->IsUndefined()) {
         FixedArray* map_array =
             FixedArray::cast(native_context->js_array_maps());
         array->set_map(Map::cast(map_array->
@@ skipping 1587 matching lines @@
   return Handle<Code>(code_address);                        \
 }
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 } }  // namespace v8::internal