Follow up fixes for r9205: shared library build and thread deletion.

src/d8.cc

 // Copyright 2011 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 951 matching lines @@
     }
 
     thread_context.Dispose();
     ptr = next_line;
   }
 }
 #endif  // V8_SHARED
 
 
 SourceGroup::~SourceGroup() {
+#ifndef V8_SHARED
   delete next_semaphore_;
   next_semaphore_ = NULL;
   delete done_semaphore_;
   done_semaphore_ = NULL;
   delete thread_;
   thread_ = NULL;
+#endif  // V8_SHARED
 }
 
 
 void SourceGroup::ExitShell(int exit_code) {
   // Use _exit instead of exit to avoid races between isolate
   // threads and static destructors.
   fflush(stdout);
   fflush(stderr);
   _exit(exit_code);
 }
@@ skipping 83 matching lines @@
     thread_->Start();
   }
   next_semaphore_->Signal();
 }
 
 
 void SourceGroup::WaitForThread() {
   if (thread_ == NULL) return;
   if (Shell::options.last_run) {
     thread_->Join();
-    thread_ = NULL;
   } else {
     done_semaphore_->Wait();
   }
 }
 #endif  // V8_SHARED
 
 
 bool Shell::SetOptions(int argc, char* argv[]) {
   for (int i = 0; i < argc; i++) {
     if (strcmp(argv[i], "--stress-opt") == 0) {
@@ skipping 232 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif