gcc/fortran/ChangeLog

   1 2008-03-19  Daniel Franke  <franke.daniel@gmail.com>
   2
   3         PR fortran/35152
   4         * interface.c (gfc_procedure_use): Check for keyworded arguments in
   5         procedures without explicit interfaces.
   6
   7 2008-03-16  Paul Thomas  <pault@gcc.gnu.org>
   8
   9         PR fortran/35470
  10         * resolve.c (check_assumed_size_reference):  Only visit the
  11         first reference and look directly at the highest dimension.
  12
  13 2008-03-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
  14
  15         PR fortran/35184
  16         * trans-array.c (gfc_conv_array_index_offset): Remove unnecessary
  17         assert.
  18
  19 2008-03-15  Daniel Franke  <franke.daniel@gmail.com>
  20
  21         PR fortran/35584
  22         * resolve.c (resolve_branch): Less strict and pessimistic warning
  23         message.
  24
  25 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
  26
  27         * f95-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
  28         (gfc_be_parse_file): Call clear_binding_stack from here.
  29         (gfc_clear_binding_stack): Rename to clear_binding_stack.
  30
  31 2008-03-09  Paul Thomas  <pault@gcc.gnu.org>
  32
  33         PR fortran/35474
  34         * module.c (mio_symtree_ref): After providing a symbol for a
  35         missing equivalence member, resolve and NULL the fixups.
  36
  37 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  38
  39         * invoke.texi (Error and Warning Options): Document
  40         -Wline-truncation.
  41
  42 2008-03-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  43
  44         PR fortran/34956
  45         * trans-array.c (gfc_conv_ss_startstride): Fix the logic to avoid
  46         checking bounds of absent optional arguments.
  47
  48 2008-03-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  49
  50         PR fortran/33197
  51         * intrinsic.c (add_functions): Add simplification routines for
  52         ERF, DERF, ERFC and DERFC.
  53         * decl.c (gfc_match_suffix, gfc_match_subroutine): Change GNU
  54         extensions into Fortran 2008 features.
  55         * intrinsic.h (gfc_simplify_erf, gfc_simplify_erfc): New
  56         prototypes.
  57         * simplify.c (gfc_simplify_erf, gfc_simplify_erfc): New functions.
  58
  59 2008-03-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  60
  61         PR fortran/33197
  62         * intrinsic.c (add_functions): Modify intrinsics ACOSH, ASINH,
  63         ATANH, ERF, ERFC and GAMMA. Add intrinsics BESSEL_{J,Y}{0,1,N},
  64         ERFC_SCALED, LOG_GAMMA and HYPOT.
  65         * intrinsic.h (gfc_check_hypot, gfc_simplify_hypot,
  66         gfc_resolve_hypot): New prototypes.
  67         * mathbuiltins.def: Add HYPOT builtin. Make complex versions of
  68         ACOSH, ASINH and ATANH available.
  69         * gfortran.h (GFC_ISYM_ERFC_SCALED, GFC_ISYM_HYPOT): New values.
  70         * lang.opt: Add -std=f2008 option.
  71         * libgfortran.h: Define GFC_STD_F2008.
  72         * lang-specs.h: Add .f08 and .F08 file suffixes.
  73         * iresolve.c (gfc_resolve_hypot): New function.
  74         * parse.c (parse_contained): Allow empty CONTAINS for Fortran 2008.
  75         * check.c (gfc_check_hypot): New function.
  76         * trans-intrinsic.c (gfc_intrinsic_map): Define ERFC_SCALE builtin.
  77         * options.c (set_default_std_flags): Allow Fortran 2008 by default.
  78         (form_from_filename): Add .f08 suffix.
  79         (gfc_handle_option): Handle -std=f2008 option.
  80         * simplify.c (gfc_simplify_hypot): New function.
  81         * gfortran.texi: Document Fortran 2008 status and file extensions.
  82         * intrinsic.texi: Document new BESSEL_{J,Y}{0,1,N} intrinsics,
  83         as well as HYPOT and ERFC_SCALED. Update documentation of ERF,
  84         ERFC, GAMMA, LGAMMA, ASINH, ACOSH and ATANH.
  85         * invoke.texi: Document the new -std=f2008 option.
  86
  87 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
  88
  89         * gfortranspec.c (lang_specific_driver): Update copyright notice
  90         dates.
  91
  92 2008-02-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
  93
  94         PR fortran/35059
  95         * expr.c (find_array_element): Modify traversing the constructor to
  96         avoid trying to access NULL memory pointed to by next for the
  97         last element. (find_array_section): Exit while loop if cons->next is
  98         NULL.
  99         * trans-expr.c (gfc_conv_scalar_char_value): Initialize gfc_typespec.
 100         (gfc_conv_function_call): Same.
 101         * decl.c (gfc_match_implicit): Same.
 102         * trans-intrinsic.c (gfc_conv_intrinsic_sr_kind): Same.
 103
 104 2008-02-28  Daniel Franke  <franke.daniel@gmail.com>
 105
 106         PR fortran/31463
 107         PR fortran/33950
 108         PR fortran/34296
 109         * lang.opt: Added -Wreturn-type.
 110         * options.c (gfc_handle_option): Recognize -Wreturn-type.
 111         * trans-decl.c (gfc_trans_deferred_vars): Emit warnings for funtions
 112         where the result value is not set.
 113         (gfc_generate_function_code): Likewise.
 114         (generate_local_decl): Emit warnings for funtions whose RESULT
 115         variable is not set.
 116
 117 2008-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 118
 119         PR fortran/34868
 120         * trans-expr.c (gfc_conv_variable): Don't build indirect
 121         references when explicit interface is mandated.
 122         * resolve.c (resolve_formal_arglist): Set attr.always_explicit
 123         on the result symbol as well as the procedure symbol.
 124
 125 2008-02-27  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 126
 127         PR fortran/33387
 128         * trans.h: Remove prototypes for gfor_fndecl_math_exponent4,
 129         gfor_fndecl_math_exponent8, gfor_fndecl_math_exponent10 and
 130         gfor_fndecl_math_exponent16.
 131         * f95-lang.c (build_builtin_fntypes): Add new function types.
 132         (gfc_init_builtin_functions): Add new builtins for nextafter,
 133         frexp, ldexp, fabs, scalbn and inf.
 134         * iresolve.c (gfc_resolve_rrspacing): Don't add hidden arguments.
 135         (gfc_resolve_scale): Don't convert type of second argument.
 136         (gfc_resolve_set_exponent): Likewise.
 137         (gfc_resolve_size): Don't add hidden arguments.
 138         * trans-decl.c: Remove gfor_fndecl_math_exponent4,
 139         gfor_fndecl_math_exponent8, gfor_fndecl_math_exponent10 and
 140         gfor_fndecl_math_exponent16.
 141         * trans-intrinsic.c (gfc_intrinsic_map): Remove intrinsics
 142         for scalbn, fraction, nearest, rrspacing, set_exponent and
 143         spacing.
 144         (gfc_conv_intrinsic_exponent): Directly call frexp.
 145         (gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_nearest,
 146         gfc_conv_intrinsic_spacing, gfc_conv_intrinsic_rrspacing,
 147         gfc_conv_intrinsic_scale, gfc_conv_intrinsic_set_exponent): New
 148         functions.
 149         (gfc_conv_intrinsic_function): Use the new functions above.
 150
 151 2008-02-26  Tobias Burnus  <burnus@net-b.de>
 152
 153         PR fortran/35033
 154         * interface.c (check_operator_interface): Show better line for error
 155         messages; fix constrains for user-defined assignment operators.
 156         (gfc_extend_assign): Fix constrains for user-defined assignment
 157         operators.
 158
 159 2008-02-26  Tom Tromey  <tromey@redhat.com>
 160
 161         * trans-io.c (set_error_locus): Remove old location code.
 162         * trans-decl.c (gfc_set_decl_location): Remove old location code.
 163         * f95-lang.c (gfc_init): Remove test of USE_MAPPED_LOCATION.
 164         * scanner.c (gfc_gobble_whitespace): Remove old location code.
 165         (get_file): Likewise.
 166         (preprocessor_line): Likewise.
 167         (load_file): Likewise.
 168         (gfc_new_file): Likewise.
 169         * trans.c (gfc_trans_runtime_check): Remove old location code.
 170         (gfc_get_backend_locus): Likewise.
 171         (gfc_set_backend_locus): Likewise.
 172         * data.c (gfc_assign_data_value): Remove old location code.
 173         * error.c (show_locus): Remove old location code.
 174         * gfortran.h (gfc_linebuf): Remove old location code.
 175         (gfc_linebuf_linenum): Remove old-location variant.
 176
 177 2008-02-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 178
 179         PR fortran/34729
 180         * trans-const.c (gfc_build_string_const): Don't call gettext.
 181         (gfc_build_localized_string_const): New function.
 182         * trans-const.h (gfc_build_localized_string_const): New prototype.
 183         * trans.c (gfc_trans_runtime_check): Use
 184         gfc_build_localized_string_const instead of gfc_build_string_const.
 185         (gfc_call_malloc): Likewise.
 186         (gfc_allocate_with_status): Likewise.
 187         (gfc_allocate_array_with_status): Likewise.
 188         (gfc_deallocate_with_status): Likewise.
 189         (gfc_call_realloc): Likewise.
 190         * trans-io.c (gfc_trans_io_runtime_check): Likewise.
 191
 192 2008-02-24  Tobias Schlüter  <tobi@gcc.gnu.org>
 193
 194         * arith.c: Update copyright years.
 195         * arith.h: Likewise.
 196         * array.c: Likewise.
 197         * bbt.c: Likewise.
 198         * check.c: Likewise.
 199         * data.c: Likewise.
 200         * data.h: Likewise.
 201         * decl.c: Likewise.
 202         * dependency.c: Likewise.
 203         * dependency.h: Likewise.
 204         * dump-parse-tree.c: Likewise.
 205         * error.c: Likewise.
 206         * expr.c: Likewise.
 207         * gfc-internals.texi: Likewise.
 208         * gfortran.h: Likewise.
 209         * gfortran.texi: Likewise.
 210         * gfortranspec.c: Likewise.
 211         * interface.c: Likewise.
 212         * intrinsic.c: Likewise.
 213         * intrinsic.h: Likewise.
 214         * intrinsic.texi: Likewise.
 215         * invoke.texi: Likewise.
 216         * io.c: Likewise.
 217         * iresolve.c: Likewise.
 218         * iso-c-binding.def: Likewise.
 219         * iso-fortran-env.def: Likewise.
 220         * lang-specs.h: Likewise.
 221         * lang.opt: Likewise.
 222         * libgfortran.h: Likewise.
 223         * match.c: Likewise.
 224         * match.h: Likewise.
 225         * matchexp.c: Likewise.
 226         * misc.c: Likewise.
 227         * module.c: Likewise.
 228         * openmp.c: Likewise.
 229         * options.c: Likewise.
 230         * parse.c: Likewise.
 231         * parse.h: Likewise.
 232         * primary.c: Likewise.
 233         * resolve.c: Likewise.
 234         * scanner.c: Likewise.
 235         * simplify.c: Likewise.
 236         * st.c: Likewise.
 237         * symbol.c: Likewise.
 238         * target-memory.c: Likewise.
 239         * target-memory.h: Likewise.
 240         * trans-array.h: Likewise.
 241         * trans-const.h: Likewise.
 242         * trans-stmt.h: Likewise.
 243         * trans-types.c: Likewise.
 244         * trans-types.h: Likewise.
 245         * types.def: Likewise.
 246
 247 2008-02-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 248
 249         PR fortran/35223
 250         * simplify.c (gfc_simplify_ibclr), (gfc_simplify_ibits),
 251         (gfc_simplify_ibset): Remove call to range_check.
 252         (simplify_cmplx), (gfc_simplify_dble), (gfc_simplify_float)
 253         (gfc_simplify_real): Add call gfc_clear_ts to initialize the
 254         temporary gfc_typspec variable.
 255
 256 2008-02-24  Tobias Schlüter  <tobi@gcc.gnu.org>
 257
 258         * trans-array.c (gfc_conv_descriptor_data_get,
 259         gfc_conv_descriptor_data_set_internal,
 260         gfc_conv_descriptor_data_addr, gfc_conv_descriptor_offset,
 261         gfc_conv_descriptor_dtype, gfc_conv_descriptor_dimension,
 262         gfc_conv_descriptor_stride, gfc_conv_descriptor_lbound,
 263         gfc_conv_descriptor_ubound, gfc_trans_create_temp_array,
 264         gfc_conv_array_transpose, gfc_grow_array,
 265         gfc_trans_array_constructor_subarray,
 266         gfc_trans_array_constructor_value, gfc_trans_scalarized_loop_end,
 267         gfc_array_init_size, gfc_array_allocate, gfc_array_deallocate,
 268         gfc_conv_array_initializer, gfc_trans_array_bounds,
 269         gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias,
 270         gfc_get_dataptr_offset, gfc_conv_array_parameter,
 271         gfc_trans_dealloc_allocated, get_full_array_size,
 272         gfc_duplicate_allocatable, structure_alloc_comps): Use fold_buildN
 273         instead of buildN.
 274         * trans-expr.c (gfc_conv_expr_present, gfc_conv_missing_dummy,
 275         gfc_conv_component_ref, gfc_conv_cst_int_power,
 276         gfc_conv_function_call, gfc_trans_structur_assign): Likewise.
 277         * trans-common.c (create_common): Likewise.
 278         * trans-openmp.c (gfc_trans_omp_atomic, gfc_trans_omp_do):
 279         Likewise.
 280         * trans-const.c (gfc_conv_constant_to_tree): Likewise.
 281         * trans-stmt.c (gfc_trans_goto, gfc_trans_return, gfc_trans_do,
 282         gfc_trans_integer_select, gfc_trans_character_select,
 283         gfc_trans_forall_loop, compute_overall_iter_number,
 284         gfc_trans_forall_1, gfc_evaluate_where_mask, gfc_trans_allocate,
 285         gfc_trans_deallocate): Likewise.
 286         * trans.c (gfc_build_addr_expr, gfc_trans_runtime_check,
 287         gfc_allocate_with_status, gfc_allocate_array_with_status,
 288         gfc_deallocate_with_status): Likewise.
 289         * f95-lang.c (gfc_truthvalue_conversion): Likewise.
 290         * trans-io.c (set_parameter_const, set_parameter_value,
 291         set_parameter_ref, set_string, set_internal_unit, io_result,
 292         set_error_locus, nml_get_addr_expr, transfer_expr): Likewise.
 293         * trans-decl.c (gfc_build_qualified_array, build_entry_thunks,
 294         gfc_get_fake_result_decl, gfc_trans_auto_character_variable,
 295         gfc_generate_function_code): Likewise.
 296         * convert.c (convert): Likewise.
 297         * trans-intrinsic.c (gfc_conv_intrinsic_conversion,
 298         build_fixbound_expr, build_fix_expr, gfc_conv_intrinsic_aint,
 299         gfc_conv_intrinsic_int, gfc_conv_intrinsic_imagpart,
 300         gfc_conv_intrinsic_conjg, gfc_conv_intrinsic_abs,
 301         gfc_conv_intrinsic_cmplx, gfc_conv_intrinsic_mod,
 302         gfc_conv_intrinsic_dim, gfc_conv_intrinsic_dprod,
 303         gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
 304         gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax,
 305         gfc_conv_intrinsic_minmax_char, gfc_conv_intrinsic_count,
 306         gfc_conv_intrinsic_arith, gfc_conv_intrinsic_dot_product,
 307         gfc_conv_intrinsic_minmaxloc, gfc_conv_intrinsic_minmaxval,
 308         gfc_conv_intrinsic_btest, gfc_conv_intrinsic_not,
 309         gfc_conv_intrinsic_ibits, gfc_conv_intrinsic_ishft,
 310         gfc_conv_intrinsic_ichar, gfc_conv_intrinsic_size,
 311         gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
 312         gfc_conv_allocated, gfc_conv_associated, gfc_conv_intrinsic_trim,
 313         gfc_conv_intrinsic_repeat): Likewise.
 314
 315 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 316
 317         PR target/25477
 318         * trans-expr.c (gfc_conv_power_op): Use BUILT_IN_CPOW{F,,L}.
 319         * f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_CPOW{F,,L}.
 320         * trans.h (gfor_fndecl_math_cpow, gfor_fndecl_math_cpowf,
 321         gfor_fndecl_math_cpowl10, gfor_fndecl_math_cpowl16): Remove.
 322         * trans-decl.c: Likewise.
 323
 324 2008-02-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 325
 326         PR fortran/35059
 327         * expr.c (find_array_element): Modify traversing the constructor to
 328         avoid trying to access NULL memory pointed to by next for the
 329         last element. (find_array_section): Exit while loop if cons->next is
 330         NULL.
 331
 332 2008-02-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 333
 334         PR fortran/34907
 335         * iresolve.c (resolve_mask_arg): Add gfc_clear_ts to initialize
 336         structure.
 337         (gfc_resolve_aint): Likewise.
 338         (gfc_resolve_anint): Likewise.
 339         (gfc_resolve_besn): Likewise.
 340         (gfc_resolve_cshift): Likewise.
 341         (gfc_resolve_ctime): Likewise.
 342         (gfc_resolve_eoshift): Likewise.
 343         (gfc_resolve_index_func): Likewise.
 344         (gfc_resolve_isatty): Likewise.
 345         (gfc_resolve_malloc): Likewise.
 346         (gfc_resolve_rrspacing): Likewise.
 347         (gfc_resolve_scale): Likewise.
 348         (gfc_resolve_set_exponent): Likewise.
 349         (gfc_resolve_spacing): Likewise.
 350         (gfc_resolve_spacing): Likewise.
 351         (gfc_resolve_fgetc): Likewise.
 352         (gfc_resolve_fputc): Likewise.
 353         (gfc_resolve_ftell): Likewise.
 354         (gfc_resolve_ttynam): Likewise.
 355         (gfc_resolve_alarm_sub): Likewise.
 356         (gfc_resolve_mvbits): Likewise.
 357         (gfc_resolve_getarg): Likewise.
 358         (gfc_resolve_signal_sub): Likewise.
 359         (gfc_resolve_exit): Likewise.
 360         (gfc_resolve_flush): Likewise.
 361         (gfc_resolve_free): Likewise.
 362         (gfc_resolve_ctime_sub): Likewise.
 363         (gfc_resolve_fgetc_sub): Likewise.
 364         (gfc_resolve_fputc_sub): Likewise.
 365         (gfc_resolve_fseek_sub): Likewise.
 366         (gfc_resolve_ftell_sub): Likewise.
 367         (gfc_resolve_ttynam_sub): Likewise.
 368
 369 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 370
 371         * gfc-internals.texi: Fix typos and markup nits.
 372         * gfortran.texi: Likewise.
 373         * intrinsic.texi: Likewise.
 374
 375 2008-02-21  Richard Guenther  <rguenther@suse.de>
 376
 377         * trans-expr.c (gfc_conv_expr_op): Expand INTRINSIC_PARENTHESES
 378         as unary PAREN_EXPR for real and complex typed expressions.
 379         (gfc_conv_unary_op): Fold the built tree.
 380
 381 2008-02-20  Tobias Burnus  <burnus@net-b.de>
 382
 383         PR fortran/34997
 384         * match.c (gfc_match_name): Improve error message for '$'.
 385
 386 2008-02-19  Daniel Franke  <franke.daniel@gmail.com>
 387
 388         PR fortran/35030
 389         * expr.c (gfc_check_pointer_assign): Add type and kind information
 390         to type-mismatch message.
 391         (gfc_check_assign): Unify error messages.
 392
 393 2008-02-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 394
 395         PR fortran/34952
 396         * gfortran.texi: Create new section for unimplemented extensions.
 397         Add "STRUCTURE and RECORD" and "ENCODE and DECODE statements".
 398         Remove "smaller projects" list. Fix a few typos.
 399
 400 2008-02-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 401
 402         * intrinsic.texi: Rename INDEX node to avoid clashing with
 403         index.html on case-insensitive systems.
 404
 405 2008-02-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 406
 407         PR fortran/35150
 408         * trans-expr.c (gfc_conv_function_call): Force evaluation of
 409         se->expr.
 410
 411 2008-02-10  Daniel Franke  <franke.daniel@gmail.com>
 412
 413         PR fortran/35019
 414         * lang.opt: Allow '-J<dir>' next to '-J <dir>',
 415         likewise '-I <dir>' and '-I<dir>'.
 416
 417 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 418
 419         PR other/35107
 420         * Make-lang.in (f951): Add $(GMPLIBS).
 421
 422 2008-02-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 423
 424         PR fortran/35037
 425         * trans-common.c (build_field): Mark fields as volatile when needed.
 426
 427 2008-02-05  Tobias Burnus  <burnus@net-b.de>
 428
 429         PR fortran/35093
 430         * data.c (gfc_assign_data_value): Only free "size" if
 431         it has not already been freed.
 432
 433 2008-02-05  Paul Thomas  <pault@gcc.gnu.org>
 434
 435         PR fortran/34945
 436         * array.c (match_array_element_spec): Remove check for negative
 437         array size.
 438         (gfc_resolve_array_spec): Add check for negative size.
 439
 440 2008-02-05  Paul Thomas  <pault@gcc.gnu.org>
 441
 442         PR fortran/32315
 443         * data.c (gfc_assign_data_value): Add bounds check for array
 444         references.
 445
 446 2008-02-04  Daniel Franke  <franke.daniel@gmail.com>
 447
 448         * resolve.c (resolve_where): Fix typo.
 449         (gfc_resolve_where_code_in_forall): Likewise.
 450
 451 2008-02-03  Paul Thomas  <pault@gcc.gnu.org>
 452
 453         PR fortran/32760
 454         * resolve.c (resolve_allocate_deallocate): New function.
 455         (resolve_code): Call it for allocate and deallocate.
 456         * match.c (gfc_match_allocate, gfc_match_deallocate) : Remove
 457         the checking of the STAT tag and put in above new function.
 458         * primary,c (match_variable): Do not fix flavor of host
 459         associated symbols yet if the type is not known.
 460
 461 2008-01-31  Paul Thomas  <pault@gcc.gnu.org>
 462
 463         PR fortran/34910
 464         * expr.c (gfc_check_assign): It is an error to assign
 465         to a sibling procedure.
 466
 467 2008-01-30  Paul Thomas  <pault@gcc.gnu.org>
 468
 469         PR fortran/34975
 470         * symbol.c (gfc_delete_symtree, gfc_undo_symbols): Rename
 471         delete_symtree to gfc_delete_symtree.
 472         * gfortran.h : Add prototype for gfc_delete_symtree.
 473         * module.c (load_generic_interfaces): Transfer symbol to a
 474         unique symtree and delete old symtree, instead of renaming.
 475         (read_module): The rsym and the found symbol are the same, so
 476         the found symtree can be deleted.
 477
 478         PR fortran/34429
 479         * decl.c (match_char_spec): Remove the constraint on deferred
 480         matching of functions and free the length expression.
 481         delete_symtree to gfc_delete_symtree.
 482         (gfc_match_type_spec): Whitespace.
 483         (gfc_match_function_decl): Defer characteristic association for
 484         all types except BT_UNKNOWN.
 485         * parse.c (decode_specification_statement): Only derived type
 486         function matching is delayed to the end of specification.
 487
 488 2008-01-28  Tobias Burnus  <burnus@net-b.de>
 489
 490         PR libfortran/34980
 491         * simplify.c (gfc_simplify_shape): Simplify rank zero arrays.
 492
 493 2008-01-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 494
 495         PR fortran/34990
 496         * array.c (gfc_check_constructor_type): Revert clearing the expression.
 497
 498 2008-01-26  Tobias Burnus  <burnus@net-b.de>
 499
 500         PR fortran/34848
 501         * trans-expr.c (gfc_conv_function_call): Don't call
 502         gfc_add_interface_mapping if the expression is NULL.
 503
 504 2008-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 505
 506         PR fortran/31610
 507         * trans-array.c (gfc_trans_create_temp_array): Remove call to
 508         gcc_assert (integer_zerop (loop->from[n])).
 509
 510 2008-01-25  Daniel Franke  <franke.daniel@gmail.com>
 511
 512         PR fortran/34661
 513         * resolve.c (resolve_where): Added check if user-defined assignment
 514         operator is an elemental subroutine.
 515         (gfc_resolve_where_code_in_forall): Likewise.
 516
 517 2008-01-24  Daniel Franke  <franke.daniel@gmail.com>
 518
 519         PR fortran/33375
 520         PR fortran/34858
 521         * gfortran.h: Revert changes from 2008-01-17.
 522         * match.c: Likewise.
 523         * symbol.c: Likewise.
 524         (gfc_undo_symbols): Undo namespace changes related to common blocks.
 525
 526 2008-01-24  Daniel Franke  <franke.daniel@gmail.com>
 527
 528         PR fortran/34202
 529         * data.c (formalize_structure_cons): Skip formalization on
 530         empty structures.
 531
 532 2008-01-24  Daniel Franke  <franke.daniel@gmail.com>
 533
 534         * gfortran.texi (OpenMP): Extended existing documentation.
 535         (contributors): Added major contributors of 2008 that were
 536         not listed yet.
 537         (proposed extensions): Removed implemented items.
 538
 539 2008-01-24  Paul Thomas  <pault@gcc.gnu.org>
 540
 541         PR fortran/34872
 542         * parse.c (next_statement) : If ST_GET_FCN_CHARACTERISTICS  is
 543         seen, check for a statement label and, if present, delete it
 544         and set the locus to the start of the statement.
 545
 546 2008-01-22  Paul Thomas  <pault@gcc.gnu.org>
 547
 548         PR fortran/34875
 549         * trans-io.c (gfc_trans_transfer): If the array reference in a
 550         read has a vector subscript, use gfc_conv_subref_array_arg to
 551         copy back the temporary.
 552
 553 2008-01-22  Tobias Burnus  <burnus@net-b.de>
 554
 555         PR fortran/34848
 556         * interface.c (compare_actual_formal): Fix adding type
 557         to missing_arg_type for absent optional arguments.
 558
 559 2008-01-22  Tobias Burnus  <burnus@net-b.de>
 560
 561         PR fortran/34907
 562         * parse.c (parse_spec): Change = into ==.
 563
 564 2008-01-22  Daniel Franke  <franke.daniel@gmail.com>
 565
 566         PR fortran/34915
 567         * expr.c (check_elemental): Fix check for valid data types.
 568
 569 2008-01-22  Tobias Burnus  <burnus@net-b.de>
 570
 571         PR fortran/34899
 572         * scanner.c (load_line): Support <tab><digit> continuation lines.
 573         * invoke.texi (-Wtabs): Document this.
 574
 575 2008-01-22  Paul Thomas  <pault@gcc.gnu.org>
 576
 577         PR fortran/34896
 578         * module.c (read_module): Set use_rename attribute.
 579
 580 2007-01-21  Tobias Burnus  <burnus@net-b.de>
 581
 582         PR fortran/34901
 583         * interface.c (compare_parameter): Improved error message
 584         for arguments of same type and mismatched kinds.
 585
 586 2008-01-20  Paul Thomas  <pault@gcc.gnu.org>
 587
 588         PR fortran/34861
 589         * resolve.c (resolve_entries): Do not do an array bounds check
 590         if the result symbols are the same.
 591
 592         PR fortran/34854
 593         * module.c (read_module) : Hide the symtree of the previous
 594         version of the symbol if this symbol is renamed.
 595
 596 2008-01-20  Paul Thomas  <pault@gcc.gnu.org>
 597
 598         PR fortran/34784
 599         * array.c (gfc_check_constructor_type): Clear the expression ts
 600         so that the checking starts from the deepest level of array
 601         constructor.
 602         * primary.c (match_varspec): If an unknown type is changed to
 603         default character and the attempt to match a substring fails,
 604         change it back to unknown.
 605
 606         PR fortran/34785
 607         * trans-array.c (gfc_add_loop_ss_code) : If ss->string_length is
 608         NULL for an array constructor, use the cl.length expression to
 609         build it.
 610         (gfc_conv_array_parameter): Change call to gfc_evaluate_now to
 611         a tree assignment.
 612
 613 2008-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 614
 615         PR fortran/34817
 616         PR fortran/34838
 617         * iresolve.c (gfc_resolve_all):  Remove conversion of mask
 618         argument to kind=1 by removing call to resolve_mask_arg().
 619         (gfc_resolve_any):  Likewise.
 620
 621 2008-01-19  Tobias Burnus  <burnus@net-b.de>
 622
 623         PR fortran/34760
 624         * primary.c (match_variable): Handle FL_UNKNOWN without
 625         uneducated guessing.
 626         (match_variable): Improve error message.
 627
 628 2008-01-18  Tobias Burnus  <burnus@net-b.de>
 629
 630         PR fortran/32616
 631         * interface.c (get_expr_storage_size): Return storage size
 632         for array element designators.
 633         (compare_actual_formal): Reject unequal string sizes for
 634         assumed-shape dummy arguments. And fix error message for
 635         array-sections with vector subscripts.
 636
 637 2008-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 638
 639         PR fortran/34556
 640         * simplify.c (is_constant_array_expr): New static function that returns
 641         true if the given expression is an array and is constant.
 642         (gfc_simplify_reshape): Use new function.
 643
 644 2008-01-17  H.J. Lu  <hongjiu.lu@intel.com>
 645
 646         PR fortran/33375
 647         * symbol.c (free_common_tree): Renamed to ...
 648         (gfc_free_common_tree): This.  Remove static.
 649         (gfc_free_namespace): Updated.
 650
 651         * gfortran.h (gfc_free_common_tree): New.
 652
 653         * match.c (gfc_match_common): Call gfc_free_common_tree () with
 654         gfc_current_ns->common_root and set gfc_current_ns->common_root
 655         to NULL on syntax error.
 656
 657 2008-01-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 658
 659         PR fortran/34686
 660         * trans-expr.c (gfc_conv_function_call): Use proper
 661         type for returned character pointers.
 662
 663 2008-01-17  Paul Thomas  <pault@gcc.gnu.org>
 664
 665         PR fortran/34429
 666         PR fortran/34431
 667         PR fortran/34471
 668         * decl.c : Remove gfc_function_kind_locus and
 669         gfc_function_type_locus. Add gfc_matching_function.
 670         (match_char_length): If matching a function and the length
 671         does not match, return MATCH_YES and try again later.
 672         (gfc_match_kind_spec): The same.
 673         (match_char_kind): The same.
 674         (gfc_match_type_spec): The same for numeric and derived types.
 675         (match_prefix): Rename as gfc_match_prefix.
 676         (gfc_match_function_decl): Except for function valued character
 677         lengths, defer applying kind, type and charlen info until the
 678         end of specification block.
 679         gfortran.h (gfc_statement): Add ST_GET_FCN_CHARACTERISTICS.
 680         parse.c (decode_specification_statement): New function.
 681         (decode_statement): Call it when a function has kind = -1. Set
 682         and reset gfc_matching function, as function statement is being
 683         matched.
 684         (match_deferred_characteristics): Simplify with a single call
 685         to gfc_match_prefix. Do appropriate error handling. In any
 686         case, make sure that kind = -1 is reset or corrected.
 687         (parse_spec): Call above on seeing ST_GET_FCN_CHARACTERISTICS.
 688         Throw an error if kind = -1 after last specification statement.
 689         parse.h : Prototype for gfc_match_prefix.
 690
 691 2008-01-16  Tobias Burnus  <burnus@net-b.de>
 692
 693         PR fortran/34796
 694         * interface.c (compare_parameter): Allow AS_DEFERRED array
 695         elements and reject attr.pointer array elemenents.
 696         (get_expr_storage_size): Return storage size of elements of
 697         assumed-shape and pointer arrays.
 698
 699 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         * f95-lang.c (gfc_init_builtin_functions): Initialize GOMP builtins
 702         for flag_tree_parallelize_loops.
 703
 704 2008-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
 705
 706         PR libfortran/34671
 707         * iresolve.c (gfc_resolve_all):  Call resolve_mask_arg.
 708         (gfc_resolve_any):  Likewise.
 709         (gfc_resolve_count):  Likewise.  Don't append kind of
 710         argument to function name.
 711
 712 2008-01-13  Tobias Burnus  <burnus@net-b.de>
 713
 714         PR fortran/34665
 715         * resolve.c (resolve_actual_arglist): For expressions,
 716         also check for assume-sized arrays.
 717         * interface.c (compare_parameter): Move F2003 character checks
 718         here, print error messages here, reject elements of
 719         assumed-shape array as argument to dummy arrays.
 720         (compare_actual_formal): Update for the changes above.
 721
 722 2008-01-13  Tobias Burnus  <burnus@net-b.de>
 723
 724         PR fortran/34763
 725         * decl.c (contained_procedure): Only check directly preceeding state.
 726
 727 2008-01-13  Tobias Burnus  <burnus@net-b.de>
 728
 729         PR fortran/34759
 730         * check.c (gfc_check_shape): Accept array ranges of
 731         assumed-size arrays.
 732
 733 2008-01-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 734
 735         PR fortran/34432
 736         * match.c (gfc_match_name): Don't error if leading character is a '(',
 737         just return MATCH_NO.
 738
 739 2008-01-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 740
 741         PR fortran/34722
 742         * trans-io.c (create_dummy_iostat): Commit the symbol.
 743
 744 2008-01-11  Paul Thomas  <pault@gcc.gnu.org>
 745
 746         PR fortran/34537
 747         * simplify.c (gfc_simplify_transfer): Return NULL if the size
 748         of the element is unavailable and only assign character length
 749         to the result, if 'mold' is constant.
 750
 751 2008-01-10  Paul Thomas  <pault@gcc.gnu.org>
 752
 753         PR fortran/34396
 754         * trans-array.c (gfc_trans_array_ctor_element):  Use gfc_trans_string_copy
 755         to assign strings and perform bounds checks on the string length.
 756         (get_array_ctor_strlen): Remove bounds checking.
 757         (gfc_trans_array_constructor): Initialize string length checking.
 758         * trans-array.h : Add prototype for gfc_trans_string_copy.
 759
 760 2008-01-08  Richard Guenther  <rguenther@suse.de>
 761
 762         PR fortran/34706
 763         PR tree-optimization/34683
 764         * trans-types.c (gfc_get_array_type_bounds): Use an array type
 765         with known size for accesses if that is known.
 766
 767 2008-01-08  Paul Thomas  <pault@gcc.gnu.org>
 768
 769         PR fortran/34476
 770         * expr.c (find_array_element): Check that the array bounds are
 771         constant before using them.  Use lower, as well as upper bound.
 772         (check_restricted): Allow implied index variable.
 773
 774 2008-01-08  Paul Thomas  <pault@gcc.gnu.org>
 775
 776         PR fortran/34681
 777         * trans_array.c (gfc_trans_deferred_array): Do not null the
 778         data pointer on entering scope, nor deallocate it on leaving
 779         scope, if the symbol has the 'save' attribute.
 780
 781         PR fortran/34704
 782         * trans_decl.c (gfc_finish_var_decl): Derived types with
 783         allocatable components and an initializer must be TREE_STATIC.
 784
 785 2008-01-07  Paul Thomas  <pault@gcc.gnu.org>
 786
 787         PR fortran/34672
 788         * module.c (write_generic): Rewrite completely.
 789         (write_module): Change call to write_generic.
 790
 791 2008-01-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 792
 793         PR fortran/34659
 794         * scanner.c (load_line): Do not count ' ' as printable when checking for
 795         continuations.
 796
 797 2008-01-06  Paul Thomas  <pault@gcc.gnu.org>
 798
 799         PR fortran/34545
 800         * module.c (load_needed): If the namespace has no proc_name
 801         give it the module symbol.
 802
 803 2008-01-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 804
 805         PR fortran/34387
 806         * trans-expr.c (gfc_conv_missing_dummy): Use a temporary to type convert
 807         the dummy variable expression, test for NULL, and pass the variable
 808         address to the called function.
 809
 810 2007-01-06  Tobias Burnus  <burnus@net-b.de>
 811
 812         PR fortran/34658
 813         * match.c (gfc_match_common): Remove blank common in
 814         DATA BLOCK warning.
 815         * resolve.c (resolve_common_vars): New function.
 816         (resolve_common_blocks): Move checks to resolve_common_vars
 817         and invoke that function.
 818         (resolve_types): Call resolve_common_vars for blank commons.
 819
 820 2008-01-06  Tobias Burnus  <burnus@net-b.de>
 821
 822         PR fortran/34655
 823         * resolve.c (resolve_equivalence_derived): Reject derived types with
 824         default initialization if equivalenced with COMMON variable.
 825
 826 2008-01-06  Tobias Burnus  <burnus@net-b.de>
 827
 828         PR fortran/34654
 829         * io.c (check_io_constraints): Disallow unformatted I/O for
 830         internal units.
 831
 832 2008-01-06  Tobias Burnus  <burnus@net-b.de>
 833
 834         PR fortran/34660
 835         * resolve.c (resolve_formal_arglist): Reject dummy procedure in
 836         ELEMENTAL functions.
 837
 838 2008-01-06  Tobias Burnus  <burnus@net-b.de>
 839
 840         PR fortran/34662
 841         * interface.c (compare_actual_formal): Reject parameter
 842         actual to intent(out) dummy.
 843
 844 2008-01-04  Tobias Burnus  <burnus@net-b.de>
 845
 846         PR fortran/34557
 847         * primary.c (match_varspec): Gobble whitespace before
 848         checking for '('.