Make the preparser standalone library and process build in debug mode.

src/top.cc

 // Copyright 2006-2008 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 288 matching lines @@
   if (stack_trace_nesting_level_ == 0) {
     stack_trace_nesting_level_++;
 
     StringAllocator* allocator;
     if (preallocated_message_space_ == NULL) {
       allocator = new HeapStringAllocator();
     } else {
       allocator = preallocated_message_space_;
     }
 
-    NativeAllocationChecker allocation_checker(
-      !FLAG_preallocate_message_memory ?
-      NativeAllocationChecker::ALLOW :
-      NativeAllocationChecker::DISALLOW);
-
     StringStream::ClearMentionedObjectCache();
     StringStream accumulator(allocator);
     incomplete_message_ = &accumulator;
     PrintStack(&accumulator);
     accumulator.OutputToStdOut();
     accumulator.Log();
     incomplete_message_ = NULL;
     stack_trace_nesting_level_ = 0;
     if (preallocated_message_space_ == NULL) {
       // Remove the HeapStringAllocator created above.
@@ skipping 652 matching lines @@
   thread_local_top()->simulator_ = Simulator::current(this);
 #endif
 #endif
   if (RuntimeProfiler::IsEnabled() && current_vm_state() == JS) {
     RuntimeProfiler::IsolateEnteredJS(this);
   }
   return from + sizeof(ThreadLocalTop);
 }
 
 } }  // namespace v8::internal