* stmt.c (estimate_case_costs): Use integer_minus_one_node.

	* tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.

	* tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
	(integer_minus_one_node): Define.

ch:
	* ch-tree.h (integer_minus_one_node): Moved to top level gcc
	directory.

	* decl.c (integer_minus_one_node): Likewise.
	(init_decl_processing): Don't set integer_minus_one_node.

cp:
	* cp-tree.h (cp_tree_index): Delete CPTI_MINUS_ONE.
	(minus_one_node): Moved to top level gcc directory.  Renamed
	to integer_minus_one_node.

	* init.c (init_init_processing): Don't set minus_one_node.
	(build_vec_init): Use integer_minus_one_node.

	* rtti.c (get_tinfo_decl_dynamic): Likewise.

From-SVN: r39325