* cp-tree.h (class_cache_firstobj): Declare.
(maybe_push_cache_obstack): Rename to push_cache_obstack.
* class.c (permanent_obstack): Remove declaration.
(class_cache_firstobj): Make it global.
(add_method): Don't use permanent_obstack directly.
(pushclass): Only free the class_cache_obstack if we know how far
back to free it.
(maybe_push_cache_obstack): Rename to push_cache_obstack.
* decl.c: Remove dead comment.
(saved_scope): Add class_cache_firstobj.
(push_to_top_level): Save it.
(pop_from_top_level): Restore it.
(push_class_level_binding): Use push_cache_obstack, not
maybe_push_cache_obstack.
* search.c (push_class_decls): Likewise.
From-SVN: r27534
