static simplyCached bool threadAllocatedMemorySane() {
  monitorThreadAllocatedMemory();
  if (!threadAllocatedMemoryEnabled()) false;
  long n = bytesAllocatedByCurrentThread();
  if (n <= 0) false;
  int[] bla = new int[1024];
  if (bla == null) false;
  if (bytesAllocatedByCurrentThread() <= n) false;
  true;
}