Preallocate objects in Dart::InitializeIsolate not in Api::CheckIsolateState

runtime/vm/dart.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/dart.h"
 
 #include "vm/code_observers.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
 #include "vm/flags.h"
@@ skipping 175 matching lines @@
     }
   }
 
   if (FLAG_heap_profile_initialize) {
     isolate->heap()->ProfileToFile("initialize");
   }
 
   Object::VerifyBuiltinVtables();
 
   StubCode::Init(isolate);
+  if (snapshot_buffer == NULL) {
+    if (!isolate->object_store()->PreallocateObjects()) {
+      return isolate->object_store()->sticky_error();
+    }
+  }
   isolate->megamorphic_cache_table()->InitMissHandler();
 
   isolate->heap()->EnableGrowthControl();
   isolate->set_init_callback_data(data);
   Api::SetupAcquiredError(isolate);
   if (FLAG_print_class_table) {
     isolate->class_table()->Print();
   }
   return Error::null();
 }
@@ skipping 18 matching lines @@
   return predefined_handles_->handles_.AllocateScopedHandle();
 }
 
 
 bool Dart::IsReadOnlyHandle(uword address) {
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->handles_.IsValidScopedHandle(address);
 }
 
 }  // namespace dart