cp-tree.h (language_function): Rename expanding_p to x_expanding_p.

cp-tree.h (language_function): Rename expanding_p to x_expanding_p.

	* cp-tree.h (language_function): Rename expanding_p to
	x_expanding_p.  Rename named_label_uses to x_named_label_uses.
	(expanding_p): Adjust accordingly.
	(TREE_VIA_PRIVATE): Fix typo in comment.
	(DECL_REFERENCE_SLOT): Remove.
	(SET_DECL_REFERENCE_SLOT): Likewise.
	* decl.c (named_label_uses): Adjust. Remove chicken comment.
	(push_overloaded_decl): Don't truncate the chain of bindings when
	adding an overloaded function.
	(grok_reference_init): Don't use DECL_REFERENCE_SLOT.
	(initialize_local_var): Fix typo in comment.
	(store_parm_decls): Don't set DECL_REFERENCE_SLOT.  Tidy up.
	* decl2.c (start_objects): Make the fact that we are expanding
	the generated function right away explicit.
	(start_static_storage_duration_function): Likewise.
	(finish_file): Fix typo in comment.
	* init.c (build_vec_init): Correct bugs in handling cleanups.
	* semantics.c (maybe_convert_cond): New function.
	(FINISH_COND): Always store the condition, even if there's
	a declaration.
	(finish_if_stmt_cond): Use maybe_convert_cond.
	(finish_while_stmt_cond): Likewise.
	(finish_do_stmt): Likewise.
	(finish_for_cond): Likewise.
	(expand_cond): Adjust.

From-SVN: r29265