* bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,

	* bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
	bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
	bitmap_first_set_bit, bitmap_and, bitmap_and_into,
	bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
	bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
	bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
	bitmap_intersect_p, bitmap_intersect_compl_p,
	bitmap_ior_and_compl, bitmap_ior_and_compl_into,
	debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
	Constify.
	* bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
	bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
	bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
	bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
	bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
	debug_bitmap, debug_bitmap_file, bitmap_print,
	bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
	bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126928 138bc75d-0d04-0410-961f-82ee72b054a4