* fold-const.c (negate_expr, operand_equal_for_comparison_p,
	optimize_bit_field_compare, decode_field_reference, all_ones_mask_p,
	make_range, build_range_check, fold_range_test, unextend,
	constant_boolean_node, fold_binary_op_with_conditional_arg,
	fold_truthop, fold_mathfn_compare, fold_inf_compare,
	fold_single_bit_test, fold): Replace calls via (*lang_hooks.foo) ()
	with lang_hooks.foo ().

From-SVN: r79471