Fix bug 1433: clear the global thread table when an isolate is disposed.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 12c9753bfa4b943e3013c9628f07ce8a239f1f8d..1d8a8258d4bd5ef4921183c0ff7676ff410763ae 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1307,6 +1307,7 @@ char* Isolate::RestoreThread(char* from) {
   if (RuntimeProfiler::IsEnabled() && current_vm_state() == JS) {
     RuntimeProfiler::IsolateEnteredJS(this);
   }
+  ASSERT(context() == NULL || context()->IsContext());
 #endif
   return from + sizeof(ThreadLocalTop);
 }
@@ -1350,6 +1351,16 @@ void Isolate::ThreadDataTable::Remove(Isolate* isolate,
 }
 
 
+void Isolate::ThreadDataTable::RemoveAllThreads(Isolate* isolate) {
+  PerIsolateThreadData* data = list_;
+  while (data != NULL) {
+    PerIsolateThreadData* next = data->next_;
+    if (data->isolate() == isolate) Remove(data);
+    data = next;
+  }
+}
+
+
 #ifdef DEBUG
 #define TRACE_ISOLATE(tag)                                              \
   do {                                                                  \
@@ -1464,6 +1475,10 @@ void Isolate::TearDown() {
 
   Deinit();
 
+  { ScopedLock lock(process_wide_mutex_);
+    thread_data_table_->RemoveAllThreads(this);
+  }
+
   if (!IsDefaultIsolate()) {
     delete this;
   }