* Fix memory leaks caused by thread local data being lost....

src/v8threads.cc

 // Copyright 2008 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 59 matching lines @@
 
 
 bool Locker::IsLocked() {
   return internal::ThreadManager::IsLockedByCurrentThread();
 }
 
 
 Locker::~Locker() {
   ASSERT(internal::ThreadManager::IsLockedByCurrentThread());
   if (has_lock_) {
-    if (!top_level_) {
+    if (top_level_) {
+      internal::ThreadManager::FreeThreadResources();
+    } else {
       internal::ThreadManager::ArchiveThread();
     }
     internal::ThreadManager::Unlock();
   }
 }
 
 
 Unlocker::Unlocker() {
   ASSERT(internal::ThreadManager::IsLockedByCurrentThread());
   internal::ThreadManager::ArchiveThread();
@@ skipping 186 matching lines @@
   to = Debug::ArchiveDebug(to);
 #endif
   to = StackGuard::ArchiveStackGuard(to);
   to = RegExpStack::ArchiveStack(to);
   to = Bootstrapper::ArchiveState(to);
   lazily_archived_thread_.Initialize(ThreadHandle::INVALID);
   lazily_archived_thread_state_ = NULL;
 }
 
 
+void ThreadManager::FreeThreadResources() {
+  HandleScopeImplementer::FreeThreadResources();
+  Top::FreeThreadResources();
+#ifdef ENABLE_DEBUGGER_SUPPORT
+  Debug::FreeThreadResources();
+#endif
+  StackGuard::FreeThreadResources();
+  RegExpStack::FreeThreadResources();
+  Bootstrapper::FreeThreadResources();
+}
+
+
 bool ThreadManager::IsArchived() {
   return Thread::HasThreadLocal(thread_state_key);
 }
 
 
 void ThreadManager::Iterate(ObjectVisitor* v) {
   // Expecting no threads during serialization/deserialization
   for (ThreadState* state = ThreadState::FirstInUse();
        state != NULL;
        state = state->Next()) {
@@ skipping 114 matching lines @@
 // Acknowledge the preemption by the receiving thread.
 void ContextSwitcher::PreemptionReceived() {
   ASSERT(Locker::IsLocked());
   // There is currently no accounting being done for this. But could be in the
   // future, which is why we leave this in.
 }
 
 
 }  // namespace internal
 }  // namespace v8