* tree.h (force_fit_type): Return a tree, take three flags.
	* fold-const.c (force_fit_type): Set TREE_OVERFLOW and
	TREE_CONSTANT_OVERFLOW here.
	(int_const_binop, const_binop): Adjust.
	(size_int_type): Do sign extension here.
	(fold_convert_const, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
	fold_negate_const, fold_abs_const, fold_not_const): Adjust.
	* tree.c (size_in_bytes, int_fits_type_p): Adjust.

	* cp/cvt.c (cp_convert_to_pointer): Adjust force_fit_type call.

	* java/jcf-parse.c (get_constant): Adjust force_fit_type call.
	* java/lex.h (SET_LVAL_NODE_TYPE): Remove.
	* java/lex.c (java_perform_atof): Use SET_LVAL_NODE directly.
	(do_java_lex): Likewise. Adjust force_fit_type call.

From-SVN: r85599