+2005-07-07 Feng Wang <fengwang@nudt.edu.cn>
+
+ PR fortran/16531
+ PR fortran/15966
+ PR fortran/18781
+ * arith.c (gfc_hollerith2int, gfc_hollerith2real,
+ gfc_hollerith2complex, gfc_hollerith2character, gfc_hollerith2logical):
+ New functions.
+ (eval_intrinsic): Don't evaluate if Hollerith constant arguments exist.
+ * arith.h (gfc_hollerith2int, gfc_hollerith2real,
+ gfc_hollerith2complex, gfc_hollerith2character, gfc_hollerith2logical):
+ Add prototypes.
+ * expr.c (free_expr0): Free memery allocated for Hollerith constant.
+ (gfc_copy_expr): Allocate and copy string if Expr is from Hollerith.
+ (gfc_check_assign): Enable conversion from Hollerith to other.
+ * gfortran.h (bt): Add BT_HOLLERITH.
+ (gfc_expr): Add from_H flag.
+ * intrinsic.c (gfc_type_letter): Return 'h' for BT_HOLLERITH.
+ (add_conversions): Add conversions from Hollerith constant to other.
+ (do_simplify): Don't simplify if Hollerith constant arguments exist.
+ * io.c (resolve_tag): Enable array in FORMAT tag under GFC_STD_GNU.
+ * misc.c (gfc_basetype_name): Return "HOLLERITH" for BT_HOLLERITH.
+ (gfc_type_name): Print "HOLLERITH" for BT_HOLLERITH.
+ * primary.c (match_hollerith_constant): New function.
+ (gfc_match_literal_constant): Add match Hollerith before Integer.
+ * simplify.c (gfc_convert_constant): Add conversion from Hollerith
+ to other.
+ * trans-const.c (gfc_conv_constant_to_tree): Use VIEW_CONVERT_EXPR to
+ convert Hollerith constant to tree.
+ * trans-io.c (gfc_convert_array_to_string): Get array's address and
+ length to set string expr.
+ (set_string): Deal with array assigned Hollerith constant and character
+ array.
+ * gfortran.texi: Document Hollerith constants as extention support.
+
2005-07-07 Feng Wang <fengwang@nudt.edu.cn>
PR fortran/22327