/* Whenever obstacks are used, it is possible to allocate all overflowed
entries into a single stack, so they all can be freed in a single
operation. It is not clear if the speedup is worth the trouble. */
struct obstack entry_stack;
/* Whenever obstacks are used, it is possible to allocate all overflowed
entries into a single stack, so they all can be freed in a single
operation. It is not clear if the speedup is worth the trouble. */
struct obstack entry_stack;