Resolve some disagreements between SIMARM and XARM on offsets used in compiled code.

runtime/vm/isolate.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/isolate.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
@@ skipping 637 matching lines @@
 #define REUSABLE_HANDLE_SCOPE_INIT(object)                                     \
   reusable_##object##_handle_scope_active_(false),
 #else
 #define REUSABLE_HANDLE_SCOPE_INIT(object)
 #endif  // defined(DEBUG)
 
 #define REUSABLE_HANDLE_INITIALIZERS(object)                                   \
   object##_handle_(NULL),
 
 Isolate::Isolate(const Dart_IsolateFlags& api_flags)
-  :   vm_tag_(0),
+  :   stack_limit_(0),
       store_buffer_(new StoreBuffer()),
       heap_(NULL),
+      vm_tag_(0),
+      user_tag_(0),
+      current_tag_(UserTag::null()),
+      default_tag_(UserTag::null()),
+      class_table_(),
+      single_step_(false),
       thread_registry_(new ThreadRegistry()),
       message_notify_callback_(NULL),
       name_(NULL),
       debugger_name_(NULL),
       start_time_(OS::GetCurrentTimeMicros()),
       main_port_(0),
       origin_id_(0),
       pause_capability_(0),
       terminate_capability_(0),
       errors_fatal_(true),
       object_store_(NULL),
       top_exit_frame_info_(0),
       init_callback_data_(NULL),
       environment_callback_(NULL),
       library_tag_handler_(NULL),
       api_state_(NULL),
       debugger_(NULL),
-      single_step_(false),
       resume_request_(false),
       last_resume_timestamp_(OS::GetCurrentTimeMillis()),
       has_compiled_(false),
       flags_(),
       random_(),
       simulator_(NULL),
       timer_list_(),
       deopt_id_(0),
       mutex_(new Mutex()),
-      stack_limit_(0),
       saved_stack_limit_(0),
       stack_base_(0),
       stack_overflow_flags_(0),
       stack_overflow_count_(0),
       message_handler_(NULL),
       spawn_state_(NULL),
       is_runnable_(false),
       gc_prologue_callback_(NULL),
       gc_epilogue_callback_(NULL),
       defer_finalization_count_(0),
       deopt_context_(NULL),
       edge_counter_increment_size_(-1),
       compiler_stats_(NULL),
       is_service_isolate_(false),
       stacktrace_(NULL),
       stack_frame_index_(-1),
       last_allocationprofile_accumulator_reset_timestamp_(0),
       last_allocationprofile_gc_timestamp_(0),
       object_id_ring_(NULL),
       trace_buffer_(NULL),
       profiler_data_(NULL),
       tag_table_(GrowableObjectArray::null()),
-      current_tag_(UserTag::null()),
-      default_tag_(UserTag::null()),
       collected_closures_(GrowableObjectArray::null()),
       deoptimized_code_array_(GrowableObjectArray::null()),
       pending_service_extension_calls_(GrowableObjectArray::null()),
       registered_service_extension_handlers_(GrowableObjectArray::null()),
       metrics_list_head_(NULL),
       compilation_allowed_(true),
       cha_(NULL),
       next_(NULL),
       pause_loop_monitor_(NULL),
       REUSABLE_HANDLE_LIST(REUSABLE_HANDLE_INITIALIZERS)
@@ skipping 1770 matching lines @@
                            serialized_message_, serialized_message_len_);
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(I);
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart