Move Promise tracking from debug to isolate.

src/v8threads.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/bootstrapper.h"
 #include "src/debug.h"
 #include "src/execution.h"
@@ skipping 289 matching lines @@
   to = isolate_->debug()->ArchiveDebug(to);
   to = isolate_->stack_guard()->ArchiveStackGuard(to);
   to = isolate_->regexp_stack()->ArchiveStack(to);
   to = isolate_->bootstrapper()->ArchiveState(to);
   lazily_archived_thread_ = ThreadId::Invalid();
   lazily_archived_thread_state_ = NULL;
 }
 
 
 void ThreadManager::FreeThreadResources() {
+  DCHECK(!isolate_->has_pending_exception());
+  DCHECK(!isolate_->external_caught_exception());
+  DCHECK(isolate_->try_catch_handler() == NULL);
   isolate_->handle_scope_implementer()->FreeThreadResources();
   isolate_->FreeThreadResources();
   isolate_->debug()->FreeThreadResources();
   isolate_->stack_guard()->FreeThreadResources();
   isolate_->regexp_stack()->FreeThreadResources();
   isolate_->bootstrapper()->FreeThreadResources();
 }
 
 
 bool ThreadManager::IsArchived() {
@@ skipping 38 matching lines @@
        state = state->Next()) {
     if (thread_id.Equals(state->id())) {
       state->set_terminate_on_restore(true);
     }
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8