[d8] Fix flakiness when calling quit() with isolates

src/d8.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.
 
 
 // Defined when linking against shared lib on Windows.
 #if defined(USING_V8_SHARED) && !defined(V8_SHARED)
 #define V8_SHARED
 #endif
 
@@ skipping 796 matching lines @@
 
 
 void Shell::QuitOnce(v8::FunctionCallbackInfo<v8::Value>* args) {
   int exit_code = (*args)[0]
                       ->Int32Value(args->GetIsolate()->GetCurrentContext())
                       .FromMaybe(0);
 #ifndef V8_SHARED
   CleanupWorkers();
 #endif  // !V8_SHARED
   OnExit(args->GetIsolate());
-  exit(exit_code);
+  Exit(exit_code);
 }
 
 
 void Shell::Quit(const v8::FunctionCallbackInfo<v8::Value>& args) {
   base::CallOnce(&quit_once_, &QuitOnce,
                  const_cast<v8::FunctionCallbackInfo<v8::Value>*>(&args));
 }
 
 
 void Shell::Version(const v8::FunctionCallbackInfo<v8::Value>& args) {
@@ skipping 1640 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif