gcc/fortran/ChangeLog

   1 2022-03-19  Tobias Burnus  <tobias@codesourcery.com>
   2
   3         Backported from master:
   4         2022-03-07  Tobias Burnus  <tobias@codesourcery.com>
   5
   6         PR fortran/99585
   7         PR fortran/104430
   8         * trans-expr.c (conv_parent_component_references): Fix comment;
   9         simplify comparison.
  10         (gfc_maybe_dereference_var): Avoid d referencing a nonpointer.
  11
  12 2022-03-17   Michael Meissner  <meissner@linux.ibm.com>
  13
  14         PR fortran/96983
  15         * trans-intrinsic.c (build_round_expr): If int type is larger than
  16         long long, do the round and convert to the integer type.  Do not
  17         try to find a floating point type the exact size of the integer
  18         type.  Backport patch from 2021-04-22 on the trunk.
  19
  20 2022-03-13  Harald Anlauf  <anlauf@gmx.de>
  21
  22         Backported from master:
  23         2022-03-08  Harald Anlauf  <anlauf@gmx.de>
  24
  25         PR fortran/104811
  26         * frontend-passes.c (optimize_minmaxloc): Do not attempt
  27         frontend-optimization of MINLOC/MAXLOC for character arrays, as
  28         there is no suitable code yet for inline expansion.
  29
  30 2022-02-23  Harald Anlauf  <anlauf@gmx.de>
  31
  32         Backported from master:
  33         2022-02-22  Harald Anlauf  <anlauf@gmx.de>
  34
  35         PR fortran/104619
  36         * resolve.c (resolve_structure_cons): Skip shape check if shape
  37         of constructor cannot be determined at compile time.
  38
  39 2022-02-20  Harald Anlauf  <anlauf@gmx.de>
  40
  41         Backported from master:
  42         2022-02-09  Harald Anlauf  <anlauf@gmx.de>
  43
  44         PR fortran/66193
  45         * arith.c (reduce_binary_ac): When reducing binary expressions,
  46         try simplification.  Handle case of empty constructor.
  47         (reduce_binary_ca): Likewise.
  48
  49 2022-02-16  Harald Anlauf  <anlauf@gmx.de>
  50
  51         Backported from master:
  52         2022-02-14  Harald Anlauf  <anlauf@gmx.de>
  53
  54         PR fortran/104211
  55         * expr.c (find_array_section): Replace assertion by error
  56         recovery when encountering bad array constructor.
  57
  58 2022-02-14  Andre Vehreschild  <vehre@gcc.gnu.org>
  59
  60         PR fortran/100337
  61         Backport from master.
  62         * trans-intrinsic.c (conv_co_collective): Check stat for null ptr
  63         before dereferrencing.
  64
  65 2022-02-14  Andre Vehreschild  <vehre@gcc.gnu.org>
  66
  67         PR fortran/103790
  68         Backported from master.
  69         * trans-array.c (structure_alloc_comps): Prevent descriptor
  70         stacking for non-array data; do not broadcast caf-tokens.
  71         * trans-intrinsic.c (conv_co_collective): Prevent generation
  72         of unused descriptor.
  73
  74 2022-02-04  Harald Anlauf  <anlauf@gmx.de>
  75
  76         Backported from master:
  77         2022-02-03  Harald Anlauf  <anlauf@gmx.de>
  78
  79         PR fortran/104311
  80         * check.c (gfc_calculate_transfer_sizes): Checks for case when
  81         storage size of SOURCE is greater than zero while the storage size
  82         of MOLD is zero and MOLD is an array shall not depend on SIZE.
  83
  84 2022-02-02  Harald Anlauf  <anlauf@gmx.de>
  85
  86         Backported from master:
  87         2022-02-01  Harald Anlauf  <anlauf@gmx.de>
  88
  89         PR fortran/104331
  90         * simplify.c (gfc_simplify_eoshift): Avoid NULL pointer
  91         dereference when shape is not set.
  92
  93 2022-01-26  Harald Anlauf  <anlauf@gmx.de>
  94
  95         Backported from master:
  96         2022-01-22  Harald Anlauf  <anlauf@gmx.de>
  97
  98         PR fortran/104127
  99         * simplify.c (gfc_simplify_transfer): Ensure that the result
 100         typespec is set up for TRANSFER with MOLD of type CHARACTER
 101         including character length even if the result is a zero-sized
 102         array.
 103
 104 2022-01-26  Harald Anlauf  <anlauf@gmx.de>
 105
 106         Backported from master:
 107         2022-01-25  Harald Anlauf  <anlauf@gmx.de>
 108
 109         PR fortran/104212
 110         * check.c (gfc_check_norm2): Check that optional argument DIM is
 111         scalar.
 112         (gfc_check_parity): Likewise.
 113
 114 2022-01-26  Harald Anlauf  <anlauf@gmx.de>
 115
 116         Backported from master:
 117         2022-01-25  Harald Anlauf  <anlauf@gmx.de>
 118
 119         PR fortran/104227
 120         * check.c (gfc_calculate_transfer_sizes): Fix checking of arrays
 121         passed as MOLD argument to the TRANSFER intrinsic for having
 122         storage size zero.
 123
 124 2022-01-23  Harald Anlauf  <anlauf@gmx.de>
 125
 126         Backported from master:
 127         2022-01-15  Harald Anlauf  <anlauf@gmx.de>
 128
 129         PR fortran/83079
 130         * target-memory.c (gfc_interpret_character): Result length is
 131         in bytes and thus depends on the character kind.
 132         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Compute correct
 133         string length for the result of the TRANSFER intrinsic and for
 134         temporaries for the different character kinds.
 135
 136 2022-01-20  Harald Anlauf  <anlauf@gmx.de>
 137
 138         Backported from master:
 139         2022-01-18  Harald Anlauf  <anlauf@gmx.de>
 140
 141         PR fortran/103692
 142         * array.c (gfc_expand_constructor): Handle zero-sized array
 143         constructors.
 144
 145 2022-01-17  Mikael Morin  <mikael@gcc.gnu.org>
 146
 147         Backported from master:
 148         2022-01-09  Mikael Morin  <mikael@gcc.gnu.org>
 149
 150         PR fortran/103789
 151         * trans-array.c (arg_evaluated_for_scalarization): Add MASKL, MASKR,
 152         SCAN and VERIFY to the list of intrinsics whose KIND argument is to be
 153         ignored.
 154
 155 2022-01-16  Mikael Morin  <mikael@gcc.gnu.org>
 156
 157         Backported from master:
 158         2022-01-09  Mikael Morin  <mikael@gcc.gnu.org>
 159
 160         PR fortran/103789
 161         * trans-array.c (arg_evaluated_for_scalarization): Add MASKL, MASKR,
 162         SCAN and VERIFY to the list of intrinsics whose KIND argument is to be
 163         ignored.
 164
 165 2022-01-16  Mikael Morin  <mikael@gcc.gnu.org>
 166
 167         Backported from master:
 168         2022-01-16  Mikael Morin  <mikael@gcc.gnu.org>
 169
 170         PR fortran/87711
 171         PR fortran/97896
 172         * trans-array.c (arg_evaluated_for_scalarization): Handle keyword and
 173         non-keyword arguments separatedly.  Adapt the expected argument index
 174         for KIND to each intrinsic in the non-keyword case.
 175
 176 2022-01-16  Harald Anlauf  <anlauf@gmx.de>
 177
 178         Backported from master:
 179         2022-01-14  Harald Anlauf  <anlauf@gmx.de>
 180
 181         PR fortran/103782
 182         * expr.c (gfc_simplify_expr): Adjust logic for when to scalarize a
 183         call of an intrinsic which may have been overloaded.
 184
 185 2022-01-16  Harald Anlauf  <anlauf@gmx.de>
 186
 187         Backported from master:
 188         2022-01-13  Harald Anlauf  <anlauf@gmx.de>
 189
 190         PR fortran/67804
 191         * primary.c (gfc_match_structure_constructor): Recover from errors
 192         that occurred while checking for a valid structure constructor in
 193         a DATA statement.
 194
 195 2022-01-15  Harald Anlauf  <anlauf@gmx.de>
 196
 197         Backported from master:
 198         2022-01-09  Harald Anlauf  <anlauf@gmx.de>
 199
 200         PR fortran/101762
 201         * expr.c (gfc_check_pointer_assign): For pointer initialization
 202         targets, check that subscripts and substring indices in
 203         specifications are constant expressions.
 204
 205 2022-01-15  Harald Anlauf  <anlauf@gmx.de>
 206
 207         Backported from master:
 208         2022-01-09  Harald Anlauf  <anlauf@gmx.de>
 209
 210         PR fortran/103777
 211         * simplify.c (gfc_simplify_maskr): Check validity of argument 'I'
 212         before simplifying.
 213         (gfc_simplify_maskl): Likewise.
 214
 215 2022-01-02  Harald Anlauf  <anlauf@gmx.de>
 216
 217         Backported from master:
 218         2021-12-29  Harald Anlauf  <anlauf@gmx.de>
 219
 220         PR fortran/102332
 221         * expr.c (gfc_get_variable_expr): Avoid NULL pointer dereferences
 222         during handling of errors with invalid uses of CLASS variables.
 223         * match.c (select_type_set_tmp): Likewise.
 224         * primary.c (gfc_match_varspec): Likewise.
 225         * resolve.c (resolve_variable): Likewise.
 226         (resolve_select_type): Likewise.
 227
 228 2021-12-27  Harald Anlauf  <anlauf@gmx.de>
 229
 230         Backported from master:
 231         2021-12-22  Harald Anlauf  <anlauf@gmx.de>
 232
 233         PR fortran/103776
 234         * match.c (match_case_selector): Reject expressions in CASE
 235         selector which are not scalar.
 236
 237 2021-12-27  Harald Anlauf  <anlauf@gmx.de>
 238
 239         Backported from master:
 240         2021-12-22  Harald Anlauf  <anlauf@gmx.de>
 241
 242         PR fortran/103778
 243         * check.c (is_c_interoperable): A BOZ literal constant is not
 244         interoperable.
 245
 246 2021-12-27  Harald Anlauf  <anlauf@gmx.de>
 247
 248         Backported from master:
 249         2021-11-18  Harald Anlauf  <anlauf@gmx.de>
 250                     Steven G. Kargl  <kargl@gcc.gnu.org>
 251
 252         PR fortran/101329
 253         * check.c (is_c_interoperable): Reject NULL() as it is not
 254         interoperable.
 255
 256 2021-12-19  Harald Anlauf  <anlauf@gmx.de>
 257
 258         Backported from master:
 259         2021-12-10  Harald Anlauf  <anlauf@gmx.de>
 260
 261         PR fortran/103418
 262         * check.c (variable_check): Replace previous check of procedure
 263         dummy arguments with INTENT(IN) attribute when passed to intrinsic
 264         procedures by gfc_check_vardef_context.
 265         * expr.c (gfc_check_vardef_context): Correct check of INTENT(IN)
 266         dummy arguments for the case of sub-components of a CLASS pointer.
 267
 268 2021-12-19  Harald Anlauf  <anlauf@gmx.de>
 269
 270         Backported from master:
 271         2021-12-18  Harald Anlauf  <anlauf@gmx.de>
 272
 273         PR fortran/103412
 274         * check.c (gfc_check_sizeof): Reject BOZ type argument.
 275
 276 2021-12-15  Harald Anlauf  <anlauf@gmx.de>
 277
 278         Backported from master:
 279         2021-12-14  Harald Anlauf  <anlauf@gmx.de>
 280
 281         PR fortran/103717
 282         * frontend-passes.c (doloop_code): Prevent NULL pointer
 283         dereference when checking for passing a do-loop variable to a
 284         contained procedure with an interface mismatch.
 285
 286 2021-12-15  Harald Anlauf  <anlauf@gmx.de>
 287
 288         Backported from master:
 289         2021-12-14  Harald Anlauf  <anlauf@gmx.de>
 290
 291         PR fortran/103718
 292         PR fortran/103719
 293         * frontend-passes.c (doloop_contained_procedure_code): Add several
 294         checks to prevent NULL pointer dereferences on valid and invalid
 295         code called within do-loops.
 296
 297 2021-12-12  Harald Anlauf  <anlauf@gmx.de>
 298
 299         Backported from master:
 300         2021-12-11  Harald Anlauf  <anlauf@gmx.de>
 301
 302         PR fortran/103606
 303         * resolve.c (resolve_fl_procedure): Do not access CLASS components
 304         before class container has been built.
 305
 306 2021-12-11  Harald Anlauf  <anlauf@gmx.de>
 307
 308         Backported from master:
 309         2021-12-07  Harald Anlauf  <anlauf@gmx.de>
 310
 311         PR fortran/103588
 312         * array.c (gfc_ref_dimen_size): Do not generate internal error on
 313         failed simplification of stride expression; just return failure.
 314
 315 2021-12-10  Harald Anlauf  <anlauf@gmx.de>
 316
 317         Backported from master:
 318         2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 319
 320         PR fortran/103610
 321         * array.c (spec_dimen_size): Fix simplification of SHAPE:
 322         dimensions must be non-negative.
 323
 324 2021-12-09  Harald Anlauf  <anlauf@gmx.de>
 325
 326         Backported from master:
 327         2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 328
 329         PR fortran/103609
 330         * symbol.c (gfc_sym_get_dummy_args): Catch NULL pointer
 331         dereference.
 332
 333 2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 334
 335         Backported from master:
 336         2021-12-07  Harald Anlauf  <anlauf@gmx.de>
 337
 338         PR fortran/103591
 339         * match.c (match_case_selector): Check type of upper bound in case
 340         range.
 341
 342 2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 343
 344         Backported from master:
 345         2021-12-07  Harald Anlauf  <anlauf@gmx.de>
 346
 347         PR fortran/103607
 348         * frontend-passes.c (do_subscript): Ensure that array bounds are
 349         of type INTEGER before performing checks on array subscripts.
 350
 351 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 352
 353         Backported from master:
 354         2021-11-30  Harald Anlauf  <anlauf@gmx.de>
 355
 356         PR fortran/102787
 357         * array.c (expand_constructor): When encountering a constant array
 358         expression or array section within a constructor, simplify it to
 359         enable better expansion.
 360
 361 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 362
 363         Backported from master:
 364         2021-10-14  Harald Anlauf  <anlauf@gmx.de>
 365
 366         PR fortran/102717
 367         * simplify.c (gfc_simplify_reshape): Replace assert by error
 368         message for negative elements in SHAPE array.
 369
 370 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 371
 372         Backported from master:
 373         2021-11-26  Harald Anlauf  <anlauf@gmx.de>
 374
 375         PR fortran/103411
 376         * check.c (gfc_check_reshape): Improve check of size of source
 377         array for the RESHAPE intrinsic against the given shape when pad
 378         is not given, and shape is a parameter.  Try other simplifications
 379         of shape.
 380
 381 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 382
 383         Backported from master:
 384         2021-11-30  Harald Anlauf  <anlauf@gmx.de>
 385
 386         PR fortran/103473
 387         * simplify.c (simplify_minmaxloc_nodim): Avoid NULL pointer
 388         dereference when shape is not set.
 389
 390 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 391
 392         Backported from master:
 393         2021-12-03  Harald Anlauf  <anlauf@gmx.de>
 394                     Steven G. Kargl  <kargl@gcc.gnu.org>
 395
 396         PR fortran/103505
 397         * array.c (match_array_element_spec): Try to simplify array
 398         element specifications to improve early checking.
 399         * expr.c (gfc_try_simplify_expr): New.  Try simplification of an
 400         expression via gfc_simplify_expr.  When an error occurs, roll
 401         back.
 402         * gfortran.h (gfc_try_simplify_expr): Declare it.
 403
 404 2021-11-29  Jakub Jelinek  <jakub@redhat.com>
 405
 406         Backported from master:
 407         2021-11-21  Jakub Jelinek  <jakub@redhat.com>
 408
 409         PR debug/103315
 410         * trans-types.c (gfc_get_array_descr_info): Use DW_OP_deref_size 1
 411         instead of DW_OP_deref for DW_AT_rank.
 412
 413 2021-11-24  Harald Anlauf  <anlauf@gmx.de>
 414
 415         Backported from master:
 416         2021-11-23  Harald Anlauf  <anlauf@gmx.de>
 417
 418         PR fortran/103392
 419         * simplify.c (simplify_bound): Do not try to simplify
 420         LBOUND/UBOUND for arrays with POINTER or ALLOCATABLE attribute.
 421
 422 2021-11-24  Harald Anlauf  <anlauf@gmx.de>
 423
 424         Backported from master:
 425         2021-11-23  Harald Anlauf  <anlauf@gmx.de>
 426
 427         PR fortran/87711
 428         PR fortran/87851
 429         * trans-array.c (arg_evaluated_for_scalarization): Add LEN_TRIM to
 430         list of intrinsics for which an optional KIND argument needs to be
 431         removed before scalarization.
 432
 433 2021-11-22  Harald Anlauf  <anlauf@gmx.de>
 434
 435         Backported from master:
 436         2021-11-21  Harald Anlauf  <anlauf@gmx.de>
 437                     Steven G. Kargl  <kargl@gcc.gnu.org>
 438
 439         PR fortran/99061
 440         * trans-intrinsic.c (gfc_lookup_intrinsic): Helper function for
 441         looking up gfortran builtin intrinsics.
 442         (gfc_conv_intrinsic_atrigd): Use it.
 443         (gfc_conv_intrinsic_cotan): Likewise.
 444         (gfc_conv_intrinsic_cotand): Likewise.
 445         (gfc_conv_intrinsic_atan2d): Likewise.
 446
 447 2021-11-16  Mikael Morin  <mikael@gcc.gnu.org>
 448
 449         Backported from master:
 450         2021-11-12  Mikael Morin  <mikael@gcc.gnu.org>
 451
 452         PR fortran/97896
 453         * intrinsic.c (add_sym_4ind): Remove.
 454         (add_functions): Use add_sym4 instead of add_sym4ind.
 455         Don’t special case the index intrinsic.
 456         * iresolve.c (gfc_resolve_index_func): Use the individual arguments
 457         directly instead of the full argument list.
 458         * intrinsic.h (gfc_resolve_index_func): Update the declaration
 459         accordingly.
 460         * trans-decl.c (gfc_get_extern_function_decl): Don’t modify the
 461         list of arguments in the case of the index intrinsic.
 462         * trans-array.h (gfc_get_intrinsic_for_expr,
 463         gfc_get_proc_ifc_for_expr): New.
 464         * trans-array.c (gfc_get_intrinsic_for_expr,
 465         arg_evaluated_for_scalarization): New.
 466         (gfc_walk_elemental_function_args): Add intrinsic procedure
 467         as argument.  Count arguments.  Check arg_evaluated_for_scalarization.
 468         * trans-intrinsic.c (gfc_walk_intrinsic_function): Update call.
 469         * trans-stmt.c (get_intrinsic_for_code): New.
 470         (gfc_trans_call): Update call.
 471
 472 2021-11-11  Harald Anlauf  <anlauf@gmx.de>
 473
 474         Backported from master:
 475         2021-11-10  Harald Anlauf  <anlauf@gmx.de>
 476
 477         PR fortran/103137
 478         PR fortran/103138
 479         * check.c (gfc_check_shape): Avoid NULL pointer dereference on
 480         missing ref.
 481         * simplify.c (gfc_simplify_cshift): Avoid NULL pointer dereference
 482         when shape not set.
 483         (gfc_simplify_transpose): Likewise.
 484
 485 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 486
 487         Backported from master:
 488         2021-10-26  Harald Anlauf  <anlauf@gmx.de>
 489
 490         PR fortran/102816
 491         * resolve.c (resolve_structure_cons): Reject invalid array spec of
 492         a DT component referenced in a structure constructor.
 493
 494 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 495
 496         Backported from master:
 497         2021-10-15  Harald Anlauf  <anlauf@gmx.de>
 498                     Tobias Burnus  <tobias@codesourcery.com>
 499
 500         PR fortran/102685
 501         * decl.c (match_clist_expr): Set rank/shape of clist initializer
 502         to match LHS.
 503         * resolve.c (resolve_structure_cons): In a structure constructor,
 504         compare shapes of array components against declared shape.
 505
 506 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 507
 508         Backported from master:
 509         2021-11-06  Harald Anlauf  <anlauf@gmx.de>
 510
 511         PR fortran/102715
 512         * decl.c (add_init_expr_to_sym): Reject rank mismatch between
 513         array and its initializer.
 514
 515 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 516
 517         Backported from master:
 518         2021-11-05  Harald Anlauf  <anlauf@gmx.de>
 519
 520         PR fortran/102817
 521         * expr.c (simplify_parameter_variable): Copy shape of referenced
 522         subobject when simplifying.
 523
 524 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 525
 526         Backported from master:
 527         2021-10-10  Harald Anlauf  <anlauf@gmx.de>
 528
 529         PR fortran/99348
 530         PR fortran/102521
 531         * decl.c (add_init_expr_to_sym): Extend initialization of
 532         parameter arrays from scalars to handle derived types.
 533
 534 2021-10-27  Harald Anlauf  <anlauf@gmx.de>
 535
 536         Backported from master:
 537         2021-10-26  Harald Anlauf  <anlauf@gmx.de>
 538
 539         PR fortran/102917
 540         * decl.c (match_attr_spec): Remove invalid integer kind checks on
 541         KIND and LEN attributes of PDTs.
 542
 543 2021-10-19  Tobias Burnus  <tobias@codesourcery.com>
 544
 545         Backported from master:
 546         2021-10-18  Tobias Burnus  <tobias@codesourcery.com>
 547
 548         PR fortran/102745
 549         * intrinsic.c (gfc_convert_type_warn): Fix checks by checking CLASS
 550         and do typcheck in correct order for type extension.
 551         * misc.c (gfc_typename): Print proper not internal CLASS type name.
 552
 553 2021-10-17  Harald Anlauf  <anlauf@gmx.de>
 554
 555         Backported from master:
 556         2021-10-14  Harald Anlauf  <anlauf@gmx.de>
 557
 558         PR fortran/102716
 559         * check.c (gfc_check_shape): Reorder checks so that invalid KIND
 560         arguments can be detected.
 561
 562 2021-10-06  Tobias Burnus  <tobias@codesourcery.com>
 563
 564         Backported from master:
 565         2021-10-06  Tobias Burnus  <tobias@codesourcery.com>
 566
 567         * resolve.c (resolve_values): Only show
 568         deprecated warning if attr.referenced.
 569
 570 2021-10-03  Harald Anlauf  <anlauf@gmx.de>
 571
 572         Backported from master:
 573         2021-09-30  Harald Anlauf  <anlauf@gmx.de>
 574
 575         PR fortran/102458
 576         * simplify.c (simplify_size): Resolve expressions used in array
 577         specifications so that SIZE can be simplified.
 578
 579 2021-10-03  Harald Anlauf  <anlauf@gmx.de>
 580
 581         Backported from master:
 582         2021-09-24  Harald Anlauf  <anlauf@gmx.de>
 583
 584         PR fortran/102458
 585         * expr.c (is_non_constant_intrinsic): Check for intrinsics
 586         excluded in constant expressions (F2018:10.1.12).
 587         (gfc_is_constant_expr): Use that check.
 588
 589 2021-09-30  Harald Anlauf  <anlauf@gmx.de>
 590
 591         Backported from master:
 592         2021-09-29  Harald Anlauf  <anlauf@gmx.de>
 593
 594         PR fortran/102520
 595         * array.c (expand_constructor): Do not dereference NULL pointer.
 596
 597 2021-09-21  Harald Anlauf  <anlauf@gmx.de>
 598
 599         Backported from master:
 600         2021-09-17  Harald Anlauf  <anlauf@gmx.de>
 601
 602         PR fortran/102366
 603         * trans-decl.c (gfc_finish_var_decl): Disable the warning message
 604         for variables moved from stack to static storange if they are
 605         declared in the main, but allow the move to happen.
 606
 607 2021-09-20  Tobias Burnus  <tobias@codesourcery.com>
 608
 609         * trans-openmp.c (gfc_split_omp_clauses): Don't put 'order(concurrent)'
 610         on 'distribute' for combined directives, matching OpenMP 5.0
 611
 612 2021-09-19  Harald Anlauf  <anlauf@gmx.de>
 613
 614         Backported from master:
 615         2021-09-16  Harald Anlauf  <anlauf@gmx.de>
 616
 617         PR fortran/102287
 618         * trans-expr.c (gfc_conv_procedure_call): Wrap deallocation of
 619         allocatable components of optional allocatable derived type
 620         procedure arguments with INTENT(OUT) into a presence check.
 621
 622 2021-09-19  Harald Anlauf  <anlauf@gmx.de>
 623
 624         Backported from master:
 625         2021-09-14  Harald Anlauf  <anlauf@gmx.de>
 626
 627         PR fortran/102311
 628         * resolve.c (resolve_entries): Attempt to recover cleanly after
 629         rejecting mismatched function entries.
 630
 631 2021-09-16  Harald Anlauf  <anlauf@gmx.de>
 632
 633         Backported from master:
 634         2021-09-13  Harald Anlauf  <anlauf@gmx.de>
 635
 636         PR fortran/85130
 637         * expr.c (find_substring_ref): Handle given substring start and
 638         end indices as signed integers, not unsigned.
 639
 640 2021-09-16  Harald Anlauf  <anlauf@gmx.de>
 641
 642         Backported from master:
 643         2021-09-13  Harald Anlauf  <anlauf@gmx.de>
 644
 645         PR fortran/82314
 646         * decl.c (add_init_expr_to_sym): For proper initialization of
 647         array-valued named constants the array bounds need to be
 648         simplified before adding the initializer.
 649
 650 2021-09-11  Harald Anlauf  <anlauf@gmx.de>
 651
 652         Backported from master:
 653         2021-09-09  Harald Anlauf  <anlauf@gmx.de>
 654
 655         PR fortran/98490
 656         * trans-expr.c (gfc_conv_substring): Do not generate substring
 657         bounds check for implied do loop index variable before it actually
 658         becomes defined.
 659
 660 2021-09-11  Harald Anlauf  <anlauf@gmx.de>
 661
 662         Backported from master:
 663         2021-09-07  Harald Anlauf  <anlauf@gmx.de>
 664
 665         PR fortran/101327
 666         * expr.c (find_array_element): When bounds cannot be determined as
 667         constant, return error instead of aborting.
 668
 669 2021-09-05  Harald Anlauf  <anlauf@gmx.de>
 670
 671         Backported from master:
 672         2021-08-31  Harald Anlauf  <anlauf@gmx.de>
 673
 674         PR fortran/100950
 675         * simplify.c (substring_has_constant_len): Minimize checks for
 676         substring expressions being allowed.
 677
 678 2021-09-05  Harald Anlauf  <anlauf@gmx.de>
 679
 680         Backported from master:
 681         2021-08-19  Harald Anlauf  <anlauf@gmx.de>
 682
 683         PR fortran/100950
 684         * simplify.c (substring_has_constant_len): New.
 685         (gfc_simplify_len): Handle case of substrings with constant
 686         bounds.
 687
 688 2021-09-03  Harald Anlauf  <anlauf@gmx.de>
 689
 690         Backported from master:
 691         2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 692
 693         PR fortran/101349
 694         * resolve.c (resolve_allocate_expr): An unlimited polymorphic
 695         argument to ALLOCATE must be ALLOCATABLE or a POINTER.  Fix the
 696         corresponding check.
 697
 698 2021-09-03  Harald Anlauf  <anlauf@gmx.de>
 699
 700         Backported from master:
 701         2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 702
 703         PR fortran/102113
 704         * match.c (gfc_match_goto): Allow for whitespace in parsing list
 705         of labels.
 706
 707 2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 708
 709         Backported from master:
 710         2021-08-28  Harald Anlauf  <anlauf@gmx.de>
 711
 712         PR fortran/87737
 713         * resolve.c (resolve_entries): For functions of type CHARACTER
 714         tighten the checks for matching characteristics.
 715
 716 2021-08-28  Paul Thomas  <pault@gcc.gnu.org>
 717
 718         Backported from master:
 719         2021-05-06  Paul Thomas  <pault@gcc.gnu.org>
 720
 721         PR fortran/46691
 722         PR fortran/99819
 723         * class.c (gfc_build_class_symbol): Remove the error that
 724         disables assumed size class arrays. Class array types that are
 725         not deferred shape or assumed rank are given a unique name and
 726         placed in the procedure namespace.
 727         * trans-array.c (gfc_trans_g77_array): Obtain the data pointer
 728         for class arrays.
 729         (gfc_trans_dummy_array_bias): Suppress the runtime error for
 730         extent violations in explicit shape class arrays because it
 731         always fails.
 732         * trans-expr.c (gfc_conv_procedure_call): Handle assumed size
 733         class actual arguments passed to non-descriptor formal args by
 734         using the data pointer, stored as the symbol's backend decl.
 735
 736 2021-08-26  Harald Anlauf  <anlauf@gmx.de>
 737
 738         Backported from master:
 739         2021-08-24  Harald Anlauf  <anlauf@gmx.de>
 740
 741         PR fortran/98411
 742         * trans-decl.c (gfc_finish_var_decl): Adjust check to handle
 743         implicit SAVE as well as variables in the main program.  Improve
 744         warning message text.
 745
 746 2021-08-16  Harald Anlauf  <anlauf@gmx.de>
 747
 748         Backported from master:
 749         2021-08-15  Harald Anlauf  <anlauf@gmx.de>
 750
 751         PR fortran/99351
 752         * match.c (sync_statement): Replace %v code by %e in gfc_match to
 753         allow for function references as STAT and ERRMSG arguments.
 754         * resolve.c (resolve_sync): Adjust checks of STAT= and ERRMSG= to
 755         being definable arguments.  Function references with a data
 756         pointer result are accepted.
 757         * trans-stmt.c (gfc_trans_sync): Adjust assertion.
 758
 759 2021-08-11  Harald Anlauf  <anlauf@gmx.de>
 760
 761         Backported from master:
 762         2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 763
 764         PR fortran/101564
 765         * expr.c (gfc_check_vardef_context): Add check for KIND and LEN
 766         parameter inquiries.
 767         * match.c (gfc_match): Fix comment for %v code.
 768         (gfc_match_allocate, gfc_match_deallocate): Replace use of %v code
 769         by %e in gfc_match to allow for function references as STAT and
 770         ERRMSG arguments.
 771         * resolve.c (resolve_allocate_deallocate): Avoid NULL pointer
 772         dereferences and shortcut for bad STAT and ERRMSG argument to
 773         (DE)ALLOCATE.  Remove bogus parts of checks for STAT and ERRMSG.
 774
 775 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 776
 777         Backported from master:
 778         2021-07-23  Harald Anlauf  <anlauf@gmx.de>
 779
 780         PR fortran/101536
 781         * check.c (array_check): Adjust check for the case of CLASS
 782         arrays.
 783
 784 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 785
 786         Backported from master:
 787         2021-07-21  Harald Anlauf  <anlauf@gmx.de>
 788
 789         PR fortran/101514
 790         * target-memory.c (gfc_interpret_derived): Size of array component
 791         of derived type can only be computed here for explicit shape.
 792         * trans-types.c (gfc_get_nodesc_array_type): Do not dereference
 793         NULL pointers.
 794
 795 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 796
 797         Backported from master:
 798         2021-07-18  Harald Anlauf  <anlauf@gmx.de>
 799
 800         PR fortran/101084
 801         * io.c (resolve_tag_format): Extend FORMAT check to unknown type.
 802
 803 2021-07-28  Release Manager
 804
 805         * GCC 11.2.0 released.
 806
 807 2021-07-15  Harald Anlauf  <anlauf@gmx.de>
 808
 809         Backported from master:
 810         2021-07-14  Harald Anlauf  <anlauf@gmx.de>
 811
 812         PR fortran/100949
 813         * trans-expr.c (gfc_trans_class_init_assign): Call
 814         gfc_conv_expr_present only for dummy variables.
 815
 816 2021-07-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 817
 818         Backported from master:
 819         2021-07-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 820
 821         PR fortran/100227
 822         * frontend-passes.c (traverse_io_block): Adjust test for
 823         when a variable is eligible for the transformation to
 824         array slice.
 825
 826 2021-06-19  Harald Anlauf  <anlauf@gmx.de>
 827
 828         Backported from master:
 829         2021-06-18  Harald Anlauf  <anlauf@gmx.de>
 830
 831         PR fortran/100283
 832         PR fortran/101123
 833         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Unconditionally
 834         convert result of min/max to result type.
 835
 836 2021-06-18  Harald Anlauf  <anlauf@gmx.de>
 837
 838         Backported from master:
 839         2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 840
 841         PR fortran/95501
 842         PR fortran/95502
 843         * expr.c (gfc_check_pointer_assign): Avoid NULL pointer
 844         dereference.
 845         * match.c (gfc_match_pointer_assignment): Likewise.
 846         * parse.c (gfc_check_do_variable): Avoid comparison with NULL
 847         symtree.
 848
 849 2021-06-17  Jakub Jelinek  <jakub@redhat.com>
 850
 851         Backported from master:
 852         2021-06-09  Jakub Jelinek  <jakub@redhat.com>
 853
 854         PR fortran/100965
 855         * trans-openmp.c (gfc_omp_finish_clause): Gimplify OMP_CLAUSE_SIZE.
 856
 857 2021-06-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 858
 859         PR fortran/82376
 860         * trans-expr.c (gfc_conv_procedure_call): Evaluate function result
 861         and then pass a pointer.
 862
 863 2021-06-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 864             Steve Kargl  <kargl@gcc.gnu.org>
 865
 866         PR fortran/98301
 867         * trans-decl.c (gfc_build_builtin_function_decls): Move decl.
 868         * trans-intrinsic.c (conv_intrinsic_random_init): Use bool for
 869         lib-call of caf_random_init instead of logical (4-byte).
 870         * trans.h: Add tree var for random_init.
 871
 872 2021-06-04  Harald Anlauf  <anlauf@gmx.de>
 873
 874         Backported from master:
 875         2021-06-04  Harald Anlauf  <anlauf@gmx.de>
 876
 877         PR fortran/99839
 878         * frontend-passes.c (inline_matmul_assign): Do not inline matmul
 879         if the assignment to the resulting array if it is not of canonical
 880         type (real/integer/complex/logical).
 881
 882 2021-05-28  Harald Anlauf  <anlauf@gmx.de>
 883
 884         Backported from master:
 885         2021-05-17  Harald Anlauf  <anlauf@gmx.de>
 886
 887         PR fortran/98411
 888         * trans-decl.c (gfc_finish_var_decl): Add check for explicit SAVE
 889         attribute.
 890
 891 2021-05-28  Harald Anlauf  <anlauf@gmx.de>
 892
 893         Backported from master:
 894         2021-05-27  Harald Anlauf  <anlauf@gmx.de>
 895
 896         PR fortran/100656
 897         * trans-array.c (gfc_conv_ss_startstride): Do not call check for
 898         presence of a dummy argument when a symbol actually refers to a
 899         non-dummy.
 900
 901 2021-05-28  Harald Anlauf  <anlauf@gmx.de>
 902
 903         Backported from master:
 904         2021-05-27  Harald Anlauf  <anlauf@gmx.de>
 905
 906         PR fortran/100602
 907         * trans-intrinsic.c (gfc_conv_intrinsic_size): Use CLASS data
 908         attributes for CLASS arrays for generation of runtime error.
 909
 910 2021-05-25  Harald Anlauf  <anlauf@gmx.de>
 911
 912         Backported from master:
 913         2021-05-23  Harald Anlauf  <anlauf@gmx.de>
 914
 915         PR fortran/100551
 916         * trans-expr.c (gfc_conv_procedure_call): Adjust check for
 917         implicit conversion of actual argument to an unlimited polymorphic
 918         procedure argument.
 919
 920 2021-05-25  Tobias Burnus  <tobias@codesourcery.com>
 921
 922         Backported from master:
 923         2021-05-25  Tobias Burnus  <tobias@codesourcery.com>
 924                     Johannes Nendwich  <a08727063@unet.univie.ac.at>
 925
 926         * intrinsic.texi (GERROR, GETARGS, GETLOG, NORM2, PARITY, RANDOM_INIT,
 927         RANDOM_NUMBER): Fix typos and copy'n'paste errors.
 928
 929 2021-05-23  Tobias Burnus  <tobias@codesourcery.com>
 930
 931         Backported from master:
 932         2021-05-23  Tobias Burnus  <tobias@codesourcery.com>
 933
 934         * intrinsic.texi (ATOMIC_ADD, ATOMIC_FETCH_ADD): Use the
 935         proper variable name in the description.
 936
 937 2021-05-18  Tobias Burnus  <tobias@codesourcery.com>
 938
 939         Backported from master:
 940         2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
 941
 942         PR fortran/100633
 943         * resolve.c (gfc_resolve_code): Reject nonintrinsic assignments in
 944         OMP WORKSHARE.
 945
 946 2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
 947
 948         Backported from master:
 949         2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
 950
 951         * resolve.c (resolve_symbol): Handle implicit SAVE of main-program
 952         for vars in 'omp threadprivate' and 'omp declare target'.
 953
 954 2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 955
 956         Backported from master:
 957         2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 958
 959         PR fortran/100274
 960         * interface.c (gfc_compare_actual_formal): Continue checks after
 961         emitting warning for argument length mismatch.
 962         * trans-expr.c (gfc_conv_procedure_call): Check for NULL pointer
 963         dereference.
 964
 965 2021-04-29  Tobias Burnus  <tobias@codesourcery.com>
 966
 967         Backported from master:
 968         2021-04-28  Tobias Burnus  <tobias@codesourcery.com>
 969
 970         * openmp.c (gfc_match_omp_variable_list): Gobble whitespace before
 971         checking whether a '%' or parenthesis-open follows as next character.
 972
 973 2021-04-27  Harald Anlauf  <anlauf@gmx.de>
 974
 975         Backported from master:
 976         2021-04-24  Harald Anlauf  <anlauf@gmx.de>
 977
 978         PR fortran/100218
 979         * expr.c (gfc_check_vardef_context): Extend check to allow pointer
 980         from a function reference.
 981
 982 2021-04-27  Harald Anlauf  <anlauf@gmx.de>
 983
 984         Backported from master:
 985         2021-04-24  Harald Anlauf  <anlauf@gmx.de>
 986
 987         PR fortran/100154
 988         * check.c (variable_check): Allow function reference having a data
 989         pointer result.
 990         (arg_strlen_is_zero): New function.
 991         (gfc_check_fgetputc_sub): Add static check of character and status
 992         arguments.
 993         (gfc_check_fgetput_sub): Likewise.
 994         * intrinsic.c (add_subroutines): Fix argument name for the
 995         character argument to intrinsic subroutines fget[c], fput[c].
 996
 997 2021-04-27  Release Manager
 998
 999         * GCC 11.1.0 released.
1000
1001 2021-04-20  Paul Thomas  <pault@gcc.gnu.org>
1002
1003         PR fortran/100110
1004         * trans-decl.c (gfc_get_symbol_decl): Replace test for host
1005         association with a check that the current and symbol namespaces
1006         are the same.
1007
1008 2021-04-19  Thomas Schwinge  <thomas@codesourcery.com>
1009
1010         * lang.opt (fopenacc-kernels=): Remove.
1011
1012 2021-04-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
1013
1014         PR fortran/100094
1015         * trans-array.c (gfc_trans_deferred_array): Add code to initialize
1016         pointers and allocatables with correct TKR parameters.
1017
1018 2021-04-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
1019
1020         PR fortran/100018
1021         * resolve.c: Add association check before de-referencing pointer.
1022
1023 2021-04-16  Harald Anlauf  <anlauf@gmx.de>
1024             Paul Thomas  <pault@gcc.gnu.org>
1025
1026         PR fortran/63797
1027         * module.c (write_symtree): Do not write interface of intrinsic
1028         procedure to module file for F2003 and newer.
1029
1030 2021-04-15  Paul Thomas  <pault@gcc.gnu.org>
1031
1032         PR fortran/99307
1033         * symbol.c: Remove trailing white space.
1034         * trans-array.c (gfc_trans_create_temp_array): Create a class
1035         temporary for class expressions and assign the new descriptor
1036         to the data field.
1037         (build_class_array_ref): If the class expr can be extracted,
1038         then use that for 'decl'. Class function results are reliably
1039         handled this way. Call gfc_find_and_cut_at_last_class_ref to
1040         eliminate largely redundant code. Remove dead code and recast
1041         the rest of the code to extract 'decl' for remaining cases.
1042         Call gfc_build_spanned_array_ref.
1043         (gfc_alloc_allocatable_for_assignment): Use class descriptor
1044         element length for 'elemsize1'. Eliminate repeat set of dtype
1045         for class expressions.
1046         * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Include
1047         additional code from build_class_array_ref, and use optional
1048         gfc_typespec pointer argument.
1049         (gfc_trans_scalar_assign): Make use of pre and post blocks for
1050         all class expressions.
1051         * trans.c (get_array_span): For unlimited polymorphic exprs
1052         multiply the span by the value of the _len field.
1053         (gfc_build_spanned_array_ref): New function.
1054         (gfc_build_array_ref): Call gfc_build_spanned_array_ref and
1055         eliminate repeated code.
1056         * trans.h: Add arg to gfc_find_and_cut_at_last_class_ref and
1057         add prototype for gfc_build_spanned_array_ref.
1058
1059 2021-04-14  Martin Liska  <mliska@suse.cz>
1060
1061         * intrinsic.texi: The table has first column empty and it makes
1062         trouble when processing makeinfo --xml output.
1063
1064 2021-04-09  Tobias Burnus  <tobias@codesourcery.com>
1065
1066         PR fortran/99817
1067         * trans-types.c (gfc_get_function_type): Also generate hidden
1068         coarray argument for character arguments.
1069
1070 2021-04-03  Paul Thomas  <pault@gcc.gnu.org>
1071
1072         PR fortran/99818
1073         * interface.c (compare_parameter): The codimension attribute is
1074         applied to the _data field of class formal arguments.
1075
1076 2021-04-01  Harald Anlauf  <anlauf@gmx.de>
1077
1078         PR fortran/99840
1079         * simplify.c (gfc_simplify_transpose): Properly initialize
1080         resulting shape.
1081
1082 2021-03-28  Paul Thomas  <pault@gcc.gnu.org>
1083
1084         PR fortran/99602
1085         * trans-expr.c (gfc_conv_procedure_call): Use the _data attrs
1086         for class expressions and detect proc pointer evaluations by
1087         the non-null actual argument list.
1088
1089 2021-03-27  Steve Kargl  <kargl@gcc.gnu.org>
1090
1091         * misc.c (gfc_typename): Fix off-by-one in buffer sizes.
1092
1093 2021-03-26  Tobias Burnus  <tobias@codesourcery.com>
1094
1095         PR fortran/99651
1096         * intrinsic.c (gfc_intrinsic_func_interface): Set
1097         attr.proc = PROC_INTRINSIC if FL_PROCEDURE.
1098
1099 2021-03-24  Tobias Burnus  <tobias@codesourcery.com>
1100
1101         PR fortran/99369
1102         * resolve.c (resolve_operator): Make 'msg' buffer larger
1103         and use snprintf.
1104
1105 2021-03-23  Tobias Burnus  <tobias@codesourcery.com>
1106
1107         PR fortran/93660
1108         * trans-decl.c (build_function_decl): Add comment;
1109         increment hidden_typelist for caf_token/caf_offset.
1110         * trans-types.c (gfc_get_function_type): Add comment;
1111         add missing caf_token/caf_offset args.
1112
1113 2021-03-22  Tobias Burnus  <tobias@codesourcery.com>
1114
1115         PR fortran/99688
1116         * match.c (select_type_set_tmp, gfc_match_select_type,
1117         gfc_match_select_rank): Fix 'name' buffersize to avoid out of bounds.
1118         * resolve.c (resolve_select_type): Likewise.
1119
1120 2021-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1121
1122         * frontend-passes.c (inline_limit_check): Add rank_a
1123         argument. If a is rank 1, set the second dimension to 1.
1124         (inline_matmul_assign): Pass rank_a argument to inline_limit_check.
1125         (call_external_blas): Likewise.
1126
1127 2021-03-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1128
1129         PR fortran/99345
1130         * frontend-passes.c (doloop_contained_procedure_code):
1131         Properly handle EXEC_IOLENGTH.
1132
1133 2021-03-15  Paul Thomas  <pault@gcc.gnu.org>
1134
1135         PR fortran/99545
1136         * trans-stmt.c (gfc_trans_allocate): Mark the initialization
1137         assignment by setting init_flag.
1138
1139 2021-03-14  Harald Anlauf  <anlauf@gmx.de>
1140             Paul Thomas  <pault@gcc.gnu.org>
1141
1142         * trans-expr.c (gfc_conv_procedure_call): Fix runtime checks for
1143         CLASS arguments.
1144         * trans-intrinsic.c (gfc_conv_intrinsic_size): Likewise.
1145
1146 2021-03-13  Paul Thomas  <pault@gcc.gnu.org>
1147
1148         PR fortran/99125
1149         * trans-array.c (gfc_conv_expr_descriptor): For deferred length
1150         length components use the ss_info string length instead of
1151         gfc_get_expr_charlen. Make sure that the deferred string length
1152         is a variable before assigning to it. Otherwise use the expr.
1153         * trans-expr.c (gfc_conv_string_length): Make sure that the
1154         deferred string length is a variable before assigning to it.
1155
1156 2021-03-12  Tobias Burnus  <tobias@codesourcery.com>
1157
1158         PR fortran/99514
1159         * resolve.c (resolve_symbol): Accept vars which are in DATA
1160         and hence (either) implicit SAVE (or in common).
1161
1162 2021-03-10  Harald Anlauf  <anlauf@gmx.de>
1163
1164         PR fortran/99205
1165         * data.c (gfc_assign_data_value): Reject non-constant character
1166         length for lvalue.
1167         * trans-array.c (gfc_conv_array_initializer): Restrict loop to
1168         elements which are defined to avoid NULL pointer dereference.
1169
1170 2021-03-10  Tobias Burnus  <tobias@codesourcery.com>
1171
1172         * intrinsic.texi (MIN): Correct 'maximum' to 'minimum'.
1173
1174 2021-03-10  Eric Botcazou  <ebotcazou@adacore.com>
1175
1176         PR fortran/96983
1177         * trans-intrinsic.c (build_round_expr): Do not implicitly assume
1178         that __float128 is the 128-bit floating-point type.
1179
1180 2021-03-08  Harald Anlauf  <anlauf@gmx.de>
1181
1182         PR fortran/49278
1183         * data.c (gfc_assign_data_value): Reject variable with PARAMETER
1184         attribute in DATA statement.
1185
1186 2021-03-05  Tobias Burnus  <tobias@codesourcery.com>
1187
1188         PR fortran/99355
1189         PR fortran/57871
1190         * invoke.texi (-freal{4,8}-real-*): Extend description.
1191         * primary.c (match_real_constant): Also promote real literals
1192         with '_kind' number.
1193
1194 2021-03-04  Tobias Burnus  <tobias@codesourcery.com>
1195
1196         PR fortran/99355
1197         * decl.c (gfc_match_old_kind_spec, gfc_match_kind_spec): Avoid
1198         redoing kind conversions.
1199         * primary.c (match_real_constant): Likewise.
1200
1201 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
1202
1203         PR fortran/99303
1204         * openmp.c (gfc_omp_requires_add_clause): Fix up diagnostic message
1205         wordings.
1206         (resolve_omp_clauses): Likewise.
1207
1208 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR fortran/99300
1211         * frontend-passes.c (doloop_code): Replace double space in diagnostics
1212         with a single space.
1213
1214 2021-02-24  Paul Thomas  <pault@gcc.gnu.org>
1215
1216         PR fortran/98342
1217         * trans-expr.c (gfc_conv_derived_to_class): Add optional arg.
1218         'derived_array' to hold the fixed, parmse expr in the case of
1219         assumed rank formal arguments. Deal with optional arguments.
1220         (gfc_conv_procedure_call): Null 'derived' array for each actual
1221         argument. Add its address to the call to gfc_conv_derived_to_
1222         class. Access the 'data' field of scalar descriptors before
1223         deallocating allocatable components. Also strip NOPs before the
1224         calls to gfc_deallocate_alloc_comp. Use 'derived' array as the
1225         input to gfc_deallocate_alloc_comp if it is available.
1226         * trans.h : Include the optional argument 'derived_array' to
1227         the prototype of gfc_conv_derived_to_class. The default value
1228         is NULL_TREE.
1229
1230 2021-02-23  Paul Thomas  <pault@gcc.gnu.org>
1231
1232         PR fortran/99124
1233         * resolve.c (resolve_fl_procedure): Include class results in
1234         the test for F2018, C15100.
1235         * trans-array.c (get_class_info_from_ss): Do not use the saved
1236         descriptor to obtain the class expression for variables. Use
1237         gfc_get_class_from_expr instead.
1238
1239 2021-02-23  Harald Anlauf  <anlauf@gmx.de>
1240
1241         PR fortran/99206
1242         * simplify.c (gfc_simplify_reshape): Set string length for
1243         character arguments.
1244
1245 2021-02-22  Tobias Burnus  <tobias@codesourcery.com>
1246
1247         PR fortran/99171
1248         * trans-openmp.c (gfc_omp_is_optional_argument): Regard optional
1249         dummy procs as nonoptional as no special treatment is needed.
1250
1251 2021-02-21  Harald Anlauf  <anlauf@gmx.de>
1252
1253         * trans-expr.c (gfc_conv_procedure_call): Do not add clobber to
1254         allocatable intent(out) argument.
1255
1256 2021-02-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1257
1258         PR fortran/98686
1259         * match.c (gfc_match_namelist): If BT_UNKNOWN, check for
1260         IMPLICIT NONE and and issue an error, otherwise set the type
1261         to its IMPLICIT type so that any subsequent use of objects will
1262         will confirm their types.
1263
1264 2021-02-19  Harald Anlauf  <anlauf@gmx.de>
1265
1266         * symbol.c (gfc_add_flavor): Reverse order of conditions.
1267
1268 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1269
1270         PR fortran/99010
1271         * dependency.c (gfc_dep_resolver): Fix coarray handling.
1272
1273 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1274
1275         PR fortran/99146
1276         * interface.c:
1277
1278 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1279
1280         PR fortran/99027
1281         * simplify.c (simplify_bound_dim): Honor DIMEN_ELEMENT
1282         when using dim=.
1283
1284 2021-02-17  Julian Brown  <julian@codesourcery.com>
1285
1286         * openmp.c (resolve_omp_clauses): Disallow selecting components
1287         of arrays of derived type.
1288
1289 2021-02-17  Julian Brown  <julian@codesourcery.com>
1290
1291         * trans-openmp.c (gfc_trans_omp_clauses): Handle element selection
1292         for arrays of derived types.
1293
1294 2021-02-16  Tobias Burnus  <tobias@codesourcery.com>
1295
1296         * expr.c (gfc_is_simplify_contiguous): Handle REF_INQUIRY, i.e.
1297         %im and %re which are EXPR_VARIABLE.
1298         * openmp.c (resolve_omp_clauses): Diagnose %re/%im explicitly.
1299
1300 2021-02-16  Tobias Burnus  <tobias@codesourcery.com>
1301
1302         PR fortran/99111
1303         * io.c (resolve_tag_format): Reject BT_DERIVED/CLASS/VOID
1304         as (array-valued) FORMAT tag.
1305
1306 2021-02-12  Tobias Burnus  <tobias@codesourcery.com>
1307
1308         PR fortran/99043
1309         * trans-expr.c (gfc_conv_procedure_call): Don't reset
1310         rank of assumed-rank array.
1311
1312 2021-02-11  Paul Thomas  <pault@gcc.gnu.org>
1313
1314         PR fortran/98897
1315         * match.c (gfc_match_call): Include associate names as possible
1316         entities with typebound subroutines. The target needs to be
1317         resolved for the type.
1318
1319 2021-02-11  Paul Thomas  <pault@gcc.gnu.org>
1320
1321         PR fortran/99060
1322         * primary.c (gfc_match_varspec): Test for non-null 'previous'
1323         before using its name in the error message.
1324
1325 2021-02-11  Tobias Burnus  <tobias@codesourcery.com>
1326
1327         * intrinsic.texi (FINDLOC): Add 'MASK' to argument table.
1328         (MAXLOC, MAXVAL, MINLOC, MINVAL): For 'MASK', remove 'an
1329         array' as scalars are also permitted.
1330
1331 2021-02-10  Julian Brown  <julian@codesourcery.com>
1332
1333         PR fortran/98979
1334         * openmp.c (resolve_omp_clauses): Omit OpenACC update in
1335         contiguity check and stride-specified error.
1336
1337 2021-02-04  Julian Brown  <julian@codesourcery.com>
1338
1339         * openmp.c (resolve_omp_clauses): Omit OpenACC update in
1340         contiguity check and stride-specified error.
1341
1342 2021-02-04  Julian Brown  <julian@codesourcery.com>
1343
1344         * trans-openmp.c (gfc_trans_omp_clauses): Use class_pointer attribute
1345         for BT_CLASS.
1346
1347 2021-02-04  Julian Brown  <julian@codesourcery.com>
1348
1349         * trans-openmp.c (gfc_trans_omp_clauses): Fix dereferencing for
1350         BT_DERIVED members.
1351
1352 2021-02-04  Tobias Burnus  <tobias@codesourcery.com>
1353
1354         * openmp.c (resolve_omp_clauses): Explicitly diagnose
1355         substrings as not permitted.
1356
1357 2021-02-03  Jeff Law  <law@redhat.com>
1358
1359         * intrinsic.texi (ANINT): Fix typo.
1360
1361 2021-02-03  Tobias Burnus  <tobias@codesourcery.com>
1362
1363         PR fortran/98913
1364         * dependency.c (gfc_dep_resolver): Treat local access
1365         to coarrays like any array access in dependency analysis.
1366
1367 2021-01-28  Harald Anlauf  <anlauf@gmx.de>
1368
1369         PR fortran/86470
1370         * trans.c (gfc_call_malloc): Allocate area of size 1 if passed
1371         size is NULL (as documented).
1372
1373 2021-01-27  Paul Thomas  <pault@gcc.gnu.org>
1374
1375         PR fortran/93924
1376         PR fortran/93925
1377         * trans-expr.c (gfc_conv_procedure_call): Suppress the call to
1378         gfc_conv_intrinsic_to_class for unlimited polymorphic procedure
1379         pointers.
1380         (gfc_trans_assignment_1): Similarly suppress class assignment
1381         for class valued procedure pointers.
1382
1383 2021-01-27  Paul Thomas  <pault@gcc.gnu.org>
1384
1385         PR fortran/98472
1386         * trans-array.c (gfc_conv_expr_descriptor): Include elemental
1387         procedure pointers in the assert under the comment 'elemental
1388         function' and eliminate the second, spurious assert.
1389
1390 2021-01-25  Harald Anlauf  <anlauf@gmx.de>
1391
1392         PR fortran/70070
1393         * data.c (create_character_initializer): Check substring indices
1394         against bounds.
1395         (gfc_assign_data_value): Catch error returned from
1396         create_character_initializer.
1397
1398 2021-01-25  Tobias Burnus  <tobias@codesourcery.com>
1399
1400         * intrinsic.texi (CO_BROADCAST, CO_MIN, CO_REDUCE, CO_SUM): Fix typos.
1401
1402 2021-01-25  Steve Kargl  <kargl@gcc.gnu.org>
1403
1404         PR fortran/98517
1405         * resolve.c (resolve_charlen): Check that length expression is
1406         present before testing for scalar/integer..
1407
1408 2021-01-22  Paul Thomas  <pault@gcc.gnu.org>
1409
1410         PR fortran/98565
1411         * trans-intrinsic.c (gfc_conv_associated): Do not add a _data
1412         component for scalar class function targets. Instead, fix the
1413         function result and access the _data from that.
1414
1415 2021-01-21  Jorge D'Elia  <jdelia@cimec.unl.edu.ar>
1416
1417         * intrinsic.texi (CO_MAX): Fix typo.
1418
1419 2021-01-21  Paul Thomas  <pault@gcc.gnu.org>
1420
1421         PR fortran/96320
1422         * decl.c (gfc_match_modproc): It is not an error to find a
1423         module procedure declaration within a contains block.
1424         * expr.c (gfc_check_vardef_context): Pure procedure result is
1425         assignable. Change 'own_scope' accordingly.
1426         * resolve.c (resolve_typebound_procedure): A procedure that
1427         has the module procedure attribute is almost certainly a
1428         module procedure, whatever its interface.
1429
1430 2021-01-19  Tobias Burnus  <tobias@codesourcery.com>
1431
1432         PR fortran/98476
1433         * openmp.c (resolve_omp_clauses): Change use_device_ptr
1434         to use_device_addr for unless type(c_ptr); check all
1435         list item for is_device_ptr.
1436
1437 2021-01-16  Kwok Cheung Yeung  <kcy@codesourcery.com>
1438
1439         * dump-parse-tree.c (show_omp_clauses): Handle detach clause.
1440         * frontend-passes.c (gfc_code_walker): Walk detach expression.
1441         * gfortran.h (struct gfc_omp_clauses): Add detach field.
1442         (gfc_c_intptr_kind): New.
1443         * openmp.c (gfc_free_omp_clauses): Free detach clause.
1444         (gfc_match_omp_detach): New.
1445         (enum omp_mask1): Add OMP_CLAUSE_DETACH.
1446         (enum omp_mask2): Remove OMP_CLAUSE_DETACH.
1447         (gfc_match_omp_clauses): Handle OMP_CLAUSE_DETACH for OpenMP.
1448         (OMP_TASK_CLAUSES): Add OMP_CLAUSE_DETACH.
1449         (resolve_omp_clauses): Prevent use of detach with mergeable and
1450         overriding the data sharing mode of the event handle.
1451         * trans-openmp.c (gfc_trans_omp_clauses): Handle detach clause.
1452         * trans-types.c (gfc_c_intptr_kind): New.
1453         (gfc_init_kinds): Initialize gfc_c_intptr_kind.
1454         * types.def
1455         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
1456         to...
1457         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
1458         ...this.  Add extra argument.
1459
1460 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1461
1462         * gfortran.h (gfc_resolve_substring): Add prototype.
1463         * primary.c (match_string_constant): Simplify substrings with
1464         constant starting and ending points.
1465         * resolve.c: Rename resolve_substring to gfc_resolve_substring.
1466         (gfc_resolve_ref): Use renamed function gfc_resolve_substring.
1467
1468 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1469
1470         PR fortran/98661
1471         * resolve.c (resolve_component): Derived type components with
1472         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1473
1474 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1475
1476         Revert:
1477         2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1478
1479         PR fortran/98661
1480         * resolve.c (resolve_component): Derived type components with
1481         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1482
1483 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1484
1485         PR fortran/98661
1486         * resolve.c (resolve_component): Derived type components with
1487         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1488
1489 2021-01-08  Paul Thomas  <pault@gcc.gnu.org>
1490
1491         PR fortran/93794
1492         * trans-expr.c (gfc_conv_component_ref): Remove the condition
1493         that deferred character length components only be allocatable.
1494
1495 2021-01-08  Paul Thomas  <pault@gcc.gnu.org>
1496
1497         PR fortran/98458
1498         * simplify.c (is_constant_array_expr): If an array constructor
1499         expression has elements other than constants or structures, try
1500         fixing the expression with gfc_reduce_init_expr. Also, if shape
1501         is NULL, obtain the array size and set it.
1502
1503 2021-01-07  Paul Thomas  <pault@gcc.gnu.org>
1504
1505         PR fortran/93701
1506         * resolve.c (find_array_spec): Put static prototype for
1507         resolve_assoc_var before this function and call for associate
1508         variables.
1509
1510 2021-01-06  Harald Anlauf  <anlauf@gmx.de>
1511
1512         * resolve.c (resolve_component): Add check for valid CLASS
1513         reference before trying to access CLASS data.
1514
1515 2021-01-04  Martin Liska  <mliska@suse.cz>
1516
1517         * ChangeLog-2018: Remove duplicate ChangeLog entries.
1518
1519 2021-01-01  Harald Anlauf  <anlauf@gmx.de>
1520
1521         * class.c (gfc_find_vtab): Add check on attribute is_class.
1522
1523 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
1524
1525         * gfortranspec.c (lang_specific_driver): Update copyright notice
1526         dates.
1527         * gfc-internals.texi: Bump @copying's copyright year.
1528         * gfortran.texi: Ditto.
1529         * intrinsic.texi: Ditto.
1530         * invoke.texi: Ditto.
1531
1532 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
1533
1534         * ChangeLog-2020: Rotate ChangeLog.  New file.
1535
1536 \f
1537 Copyright (C) 2021 Free Software Foundation, Inc.
1538
1539 Copying and distribution of this file, with or without modification,
1540 are permitted in any medium without royalty provided the copyright
1541 notice and this notice are preserved.