gcc/fortran/ChangeLog

   1 2019-04-19  Steven G. Kargl  <kargl@gcc.gnu.org>
   2
   3         PR fortran/90166
   4         * decl.c (in_module_or_interface): New function to check that the
   5         current state is in a module, submodule, or interface.
   6         (gfc_match_prefix): Use it.
   7
   8 2019-04-22  Paul Thomas  <pault@gcc.gnu.org>
   9
  10         PR fortran/57284
  11         * resolve.c (find_array_spec): If this is a class expression
  12         and the symbol and component array specs are the same, this is
  13         not an error.
  14         *trans-intrinsic.c (gfc_conv_intrinsic_size): If a class symbol
  15         argument, has no namespace, it has come from the interface
  16         mapping and the _data component must be accessed directly.
  17
  18 2019-04-17  Thomas Schwinge  <thomas@codesourcery.com>
  19
  20         PR fortran/90048
  21         * openmp.c (gfc_resolve_do_iterator): Handle sharing_clauses for
  22         OpenACC, too.
  23         (gfc_resolve_oacc_blocks): Populate sharing_clauses with private
  24         clauses.
  25
  26 2019-04-14  Paul Thomas  <pault@gcc.gnu.org>
  27
  28         PR fortran/89843
  29         * trans-decl.c (gfc_get_symbol_decl): Assumed shape and assumed
  30         rank dummies of bind C procs require deferred initialization.
  31         (convert_CFI_desc): New procedure to convert incoming CFI
  32         descriptors to gfc types and back again.
  33         (gfc_trans_deferred_vars): Call it.
  34         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Null the CFI
  35         descriptor pointer. Free the descriptor in all cases.
  36
  37         PR fortran/89846
  38         * expr.c (is_CFI_desc): New function.
  39         (is_subref_array): Tidy up by referencing the symbol directly.
  40         * gfortran.h : Prototype for is_CFI_desc.
  41         * trans_array.c (get_CFI_desc): New function.
  42         (gfc_get_array_span, gfc_conv_scalarized_array_ref,
  43         gfc_conv_array_ref): Use it.
  44         * trans.c (get_array_span): Extract the span from descriptors
  45         that are indirect references.
  46
  47         PR fortran/90022
  48         * trans-decl.c (gfc_get_symbol_decl): Make sure that the se
  49         expression is a pointer type before converting it to the symbol
  50         backend_decl type.
  51         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Eliminate
  52         temporary creation for intent(in).
  53
  54 2019-04-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>
  55
  56         PR fortran/79842
  57         * module.c (gfc_use_module): use complete sentences.
  58
  59 2019-04-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
  60
  61         PR translation/89939
  62         * frontend-passes.c (B_ERROR): Delete macro.
  63         (C_ERROR): Delete macro.
  64         (B_ERROR_1): New macro.
  65         (C_ERROR_1): New macro.
  66         (C_ERROR_2): New macro.
  67         (inline_matmul_assign): Use new macros.
  68         (call_external_blas): Likewise.
  69
  70 2019-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
  71
  72         PR fortran/87352
  73         * gfortran.h (gfc_component): Add finalized field.
  74         * class.c (finalize_component): If the component is already
  75         finalized, return early.  Set component->finalized on exit.
  76
  77 2019-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
  78
  79         PR fortran/89981
  80         * resolve.c (resolve_global_procedure): If the global symbol is an
  81         ENTRY, also look up its name among the entries.
  82
  83 2019-04-04  Harald Anlauf  <anlauf@gmx.de>
  84
  85         PR fortran/89904
  86         * check.c (gfc_check_transfer): Reject procedures as actual
  87         arguments for SOURCE and MOLD of TRANSFER intrinsic.
  88
  89 2019-04-03  Steven G. Kargl  <kargl@gcc.gnu.org>
  90
  91         PR fortran/68567
  92         * expr.c (gfc_reduce_init_expr): Add extra check to avoid
  93         dereferencing a null pointer.
  94
  95 2019-04-03  Dominique d'Humieres  <dominiq@gcc.gnu.org>
  96
  97         PR fortran/89375
  98         * expr.c (comp_pointer): Remove redundant condition.
  99
 100 2019-03-31  Harald Anlauf  <anlauf@gmx.de>
 101
 102         PR fortran/83515
 103         PR fortran/85797
 104         * trans-types.c (gfc_typenode_for_spec): Handle conversion for
 105         procedure pointers.
 106         * target-memory.c (gfc_element_size): Handle size determination
 107         for procedure pointers.
 108
 109 2019-03-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 110
 111         * dump-parse-tree.c (debug):  Add for symbol_attribute *,
 112         symbol_attribute and gfc_ref * arguments.
 113
 114 2019-03-30  Paul Thomas  <pault@gcc.gnu.org>
 115
 116         PR fortran/89841
 117         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Use the formal
 118         argument attributes rather than those of the actual argument.
 119
 120         PR fortran/89842
 121         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Call
 122         'set_dtype_for_unallocated' for any type of arrayspec.
 123
 124 2019-03-27  Janus Weil  <janus@gcc.gnu.org>
 125
 126         PR fortran/85537
 127         * expr.c (gfc_check_assign_symbol): Reject internal and dummy procedures
 128         in procedure pointer initialization.
 129
 130 2019-03-27  Paul Thomas  <pault@gcc.gnu.org>
 131
 132         PR fortran/88247
 133         * expr.c (is_subref_array): Permit substrings to be detected
 134         as subref arrays.
 135         * trans-array.c (get_array_ctor_var_strlen): Obtain the length
 136         of deferred length strings. Handle substrings with a NULL end
 137         expression.
 138         (trans_array_constructor): Remove an unnecessary blank line.
 139         (gfc_conv_scalarized_array_ref): Skip to label 'done' if 'decl'
 140         is a pointer array.
 141         (get_array_charlen): If the expression is an array, convert the
 142         first element of the constructor and use its string length. Get
 143         a new charlen if necessary.
 144         (gfc_conv_expr_descriptor): Call 'get_array_charlen' for array
 145         constructor expressions. If the ss_info string length is
 146         available, use that to set the span of character arrays.
 147         * trans-expr.c (gfc_get_expr_charlen): Handle substrings
 148         * trans-stmt.c (trans_associate_var): Set the pointer array
 149         flag for variable targets and constant array constructors. Take
 150         care not to reset the string length or the span in the case of
 151         expressions that are not converted as direct by reference.
 152
 153 2019-03-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 154
 155         * intrinsic.texi (MINLOC): Fix typo in BACK argument documentation.
 156         (MAXLOC): Likewise.
 157
 158 2019-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 159
 160         PR fortran/78865
 161         * interface.c (compare_actual_formal): Change errors about
 162         missing or extra to gfc_error_now to make sure they are issued.
 163         Change "spec" to "specifier" in message.
 164         * resolve.c (resolve_global_procedure): Also check for mismatching
 165         interface with global symbols if the namespace has already been
 166         resolved.
 167
 168 2019-03-21  Thomas Schwinge  <thomas@codesourcery.com>
 169
 170         PR fortran/72741
 171         * openmp.c (gfc_match_oacc_routine): Set the level of parallelism
 172         for all variants.
 173         (gfc_resolve_oacc_routines): Call gfc_add_omp_declare_target.
 174
 175         PR fortran/89773
 176         * gfortran.h (gfc_oacc_routine_name): Add loc member.
 177         (gfc_resolve_oacc_routines): Declare.
 178         * openmp.c (gfc_match_oacc_routine): Move some error checking
 179         into...
 180         (gfc_resolve_oacc_routines): ... this new function.
 181         * resolve.c (resolve_codes): Call it.
 182
 183         PR fortran/72741
 184         * openmp.c (gfc_match_oacc_routine): Clarify.
 185
 186         PR fortran/72741
 187         * module.c (verify_OACC_ROUTINE_LOP_NONE): New function.
 188         (enum ab_attribute): Add AB_OACC_ROUTINE_LOP_GANG,
 189         AB_OACC_ROUTINE_LOP_WORKER, AB_OACC_ROUTINE_LOP_VECTOR,
 190         AB_OACC_ROUTINE_LOP_SEQ.
 191         (attr_bits): Add these.
 192         (mio_symbol_attribute): Handle these.
 193
 194 2019-03-20  Janus Weil  <janus@gcc.gnu.org>
 195
 196         PR fortran/71861
 197         * symbol.c (check_conflict): ABSTRACT attribute conflicts with
 198         INTRINSIC attribute.
 199
 200 2019-03-18  Thomas Koenig  <tkoeng@gcc.gnu.org>
 201
 202         PR fortran/68009
 203         * iresolve.c: Include trans.h.
 204         (gfc_resolve_fe_runtine_error): Set backend_decl on
 205         resolved_sym.
 206
 207 2019-03-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 208
 209         PR fortran/88008
 210         * gfortran.h (expr_t): Add EXPR_UNKNOWN.
 211         * expr.c (gfc_copy_expr): Add EXPR_UNKNOWN to switch statement.
 212         (gfc_simplify_expr): Likewise.
 213         * module.c (mio_expr): Likewise.
 214         * resovle.c (extract_compcall_passed_object): Issue error on
 215         unknown type.
 216         (check_typebound_baseobject): Issue error on wrong type.
 217         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Add
 218         EXPR_UNKNOWN to switch statement.
 219
 220 2019-03-16  Jakub Jelinek  <jakub@redhat.com>
 221
 222         PR fortran/89724
 223         * scanner.c (load_line): Remove linenum and current_line static
 224         variables, add warned_tabs automatic variable.  Use current_file->line
 225         instead of current_line and warned_tabs boolean to avoid diagnosing
 226         tabs multiple times on the same line.
 227
 228 2019-03-16  Thomas Koenig  <tkoenig@gcc.gnu.org>
 229
 230         PR fortran/84394
 231         * symbol.c (gfc_add_subroutine): If we are encountering a
 232         subrtoutine within a BLOCK DATA and the name starts with an
 233         underscore, do not check.
 234
 235 2019-03-15  Harald Anlauf  <anlauf@gmx.de>
 236
 237         PR fortran/60091
 238         * expr.c (gfc_check_pointer_assign): Correct and improve error
 239         messages for invalid pointer assignments.
 240
 241 2019-03-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 242
 243         * gfortran.texi: Document Q edit descriptor under
 244         "Extensions not implemented in GNU Fortran".
 245
 246 2019-03-13  Harald Anlauf  <anlauf@gmx.de>
 247
 248         PR fortran/87045
 249         * trans-expr.c (gfc_trans_pointer_assignment): Move check for same
 250         string length so that we do not get false errors for deferred
 251         length.
 252
 253 2019-03-13  Janus Weil  <janus@gcc.gnu.org>
 254
 255         PR fortran/89601
 256         * decl.c (gfc_match_formal_arglist): Reject empty type parameter lists.
 257         (gfc_match_derived_decl): Mark as PDT only if type parameter list was
 258         matched successfully.
 259
 260 2019-03-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 261
 262         PR fortran/66695
 263         PR fortran/77746
 264         PR fortran/79485
 265         * gfortran.h (gfc_symbol): Add bind_c component.
 266         (gfc_get_gsymbol): Add argument bind_c.
 267         * decl.c (add_global_entry): Add bind_c argument to
 268         gfc_get_symbol.
 269         * parse.c (parse_block_data): Likewise.
 270         (parse_module): Likewise.
 271         (add_global_procedure): Likewise.
 272         (add_global_program): Likewise.
 273         * resolve.c (resolve_common_blocks): Likewise.
 274         (resolve_global_procedure): Likewise.
 275         (gfc_verify_binding_labels): Likewise.
 276         * symbol.c (gfc_get_gsymbol): Add argument bind_c. Set bind_c
 277         in gsym.
 278         * trans-decl.c (gfc_get_module_backend_decl): Add bind_c argument
 279         to gfc_get_symbol.
 280         (gfc_get_extern_function_decl): If the sym has a binding label
 281         and it cannot be found in the global symbol tabel, it is the wrong
 282         one and vice versa.
 283
 284 2019-03-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 285
 286         PR fortran/87673
 287         * match.c (gfc_match_type_spec): Remove call to
 288         gfc_resolve_expr for character length.
 289
 290 2019-03-12  Martin Liska  <mliska@suse.cz>
 291
 292         * decl.c (add_init_expr_to_sym): Replace usage of 'can't'
 293         with 'cannot'.
 294         (variable_decl): Likewise.
 295         (cray_pointer_decl): Likewise.
 296         (match_binding_attributes): Likewise.
 297         * f95-lang.c (gfc_init): Likewise.
 298         * interface.c (gfc_check_typebound_override): Likewise.
 299         * intrinsic.c (make_generic): Likewise.
 300         * module.c (dump_module): Likewise.
 301         (gfc_use_module): Likewise.
 302         * primary.c (gfc_convert_to_structure_constructor): Likewise.
 303         * resolve.c (resolve_entries): Likewise.
 304         (check_generic_tbp_ambiguity): Likewise.
 305         (get_checked_tb_operator_target): Likewise.
 306         * scanner.c (load_file): Likewise.
 307         * trans-expr.c (gfc_conv_intrinsic_to_class): Likewise.
 308
 309 2019-03-12  Paul Thomas  <pault@gcc.gnu.org>
 310
 311         PR fortran/89363
 312         PR fortran/89364
 313         * trans-expr.c (set_dtype_for_unallocated): New function.
 314         (gfc_conv_gfc_desc_to_cfi_desc): Call it for allocatable and
 315         pointer arguments.
 316         (gfc_conv_procedure_call): Likewise. Also, set the ubound of
 317         the final dimension to -1 for assumed rank formal args that are
 318         associated with assumed size arrays.
 319         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Return -1 for
 320         the final dimension of assumed rank entities that are argument
 321         associated with assumed size arrays.
 322         (gfc_conv_intrinsic_shape): Likewise return -1 for the final
 323         dimension of the shape intrinsic.
 324
 325 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
 326
 327         PR fortran/89651
 328         * trans-openmp.c (gfc_omp_clause_default_ctor): Set TREE_NO_WARNING
 329         on decl if adding COND_EXPR for allocatable.
 330         (gfc_omp_clause_copy_ctor): Set TREE_NO_WARNING on dest.
 331
 332 2019-03-11  Martin Liska  <mliska@suse.cz>
 333
 334         * decl.c (match_record_decl): Wrap an option name
 335         in a string format message and fix GNU coding style.
 336         (gfc_match_pointer): Likewise.
 337         * expr.c (find_array_section): Likewise.
 338         * intrinsic.c (gfc_is_intrinsic): Likewise.
 339         * options.c (gfc_post_options): Likewise.
 340         * primary.c (match_integer_constant): Likewise.
 341         * trans-common.c (translate_common): Likewise.
 342
 343 2019-03-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 344
 345         PR fortran/66089
 346         * trans-array.c (gfc_scalar_elemental_arg_saved_as_reference):
 347         Return false if a scalar tempoary is needed.
 348         (gfc_walk_variable_expr): Fix up class refs.
 349
 350 2019-03-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 351
 352         PR fortran/87734
 353         * symbol.c (gfc_add_procedure): Only throw an error if the
 354         procedure has not been declared either PUBLIC or PRIVATE.
 355
 356 2019-03-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 357
 358         PR fortran/71544
 359         * trans-types.c (gfc_typenode_for_spec) Set ts->is_c_interop of
 360         C_PTR and C_FUNPTR.
 361         (create_fn_spec): Mark argument as escaping if ts->is_c_interop is set.
 362
 363 2019-03-09  Janus Weil  <janus@gcc.gnu.org>
 364
 365         PR fortran/84504
 366         * expr.c (gfc_check_assign_symbol): Deal with procedure pointers to
 367         pointer-valued functions.
 368
 369 2019-03-09  Thomas König  <tkoenig@gcc.gnu.org>
 370
 371         PR fortran/71203
 372         * decl.c (add_init_expr_to_sym):  Add shape if init has none.  Add
 373         asserts that it has to be an EXPR_ARRAY in this case.
 374
 375 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
 376
 377         PR other/80058
 378         * arith.c (gfc_complex2complex): Avoid two spaces in the middle of
 379         diagnostics.
 380         * resolve.c (resolve_allocate_expr): Likewise.
 381
 382 2019-03-06  Harald Anlauf  <anlauf@gmx.de>
 383
 384         PR fortran/71203
 385         * expr.c (simplify_const_ref): Avoid null pointer dereference.
 386
 387 2019-03-03  Harald Anlauf  <anlauf@gmx.de>
 388             Steven G. Kargl  <kargl@gcc.gnu.org>
 389
 390         PR fortran/77583
 391         * symbol.c (check_conflict): Check for valid procedure name
 392         passed to error reporting routine.
 393
 394 2019-03-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
 395
 396         PR fortran/72714
 397         * resolve.c (resolve_allocate_expr): Add some tests for coarrays.
 398
 399 2019-03-02  Harald Anlauf  <anlauf@gmx.de>
 400
 401         PR fortran/89516
 402         * check.c (gfc_calculate_transfer_sizes): Correct checks for cases
 403         where storage size of elements of MOLD is 0.
 404
 405 2019-02-28  Thomas Schwinge  <thomas@codesourcery.com>
 406             Cesar Philippidis  <cesar@codesourcery.com>
 407
 408         PR fortran/72741
 409         PR fortran/89433
 410         * openmp.c (gfc_match_oacc_routine): Handle repeated use of the
 411         Fortran OpenACC 'routine' directive.
 412
 413         PR fortran/72741
 414         * gfortran.h (enum oacc_routine_lop): Add OACC_ROUTINE_LOP_ERROR.
 415         * openmp.c (gfc_oacc_routine_lop, gfc_match_oacc_routine): Use it.
 416         * trans-decl.c (add_attributes_to_decl): Likewise.
 417
 418         PR fortran/72741
 419         PR fortran/89433
 420         * openmp.c (gfc_match_oacc_routine): Accept intrinsic symbols.
 421
 422 2019-02-26  Harald Anlauf  <anlauf@gmx.de>
 423
 424         PR fortran/89492
 425         * check.c (gfc_calculate_transfer_sizes): Handle cases where
 426         storage size of elements of MOLD is 0.
 427
 428 2019-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 429
 430         PR fortran/89496
 431         * trans-types.c (get_formal_from_actual_arglist): If
 432         the actual arglist has no expression, the corresponding
 433         formal arglist is an alternate return.
 434
 435 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
 436
 437         PR fortran/43210
 438         * trans-array.c (gfc_conv_array_initializer): Use RANGE_EXPR instead
 439         of duplicating the initializer possibly many times.
 440
 441 2019-02-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 442
 443         PR fortran/89174
 444         * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Add is_mold
 445         to arguments. If we are dealing with a MOLD, call
 446         gfc_expr_to_initialize().
 447         * trans-stmt.c (gfc_trans_allocate): For MOLD, pass is_mold=true
 448         to gfc_find_and_cut_at_last_class_ref.
 449         * trans.h (gfc_find_and_cut_at_last_class_ref): Add optional
 450         argument is_mold with default false.
 451
 452 2019-02-24  Harald Anlauf  <anlauf@gmx.de>
 453
 454         PR fortran/89266
 455         PR fortran/88326
 456         * target-memory.c (gfc_element_size): Return false if element size
 457         cannot be determined; element size is returned separately.
 458         (gfc_target_expr_size): Return false if expression size cannot be
 459         determined; expression size is returned separately.
 460         * target-memory.h: Adjust prototypes.
 461         * check.c (gfc_calculate_transfer_sizes): Adjust references to
 462         gfc_target_expr_size, gfc_element_size.
 463         * arith.c (hollerith2representation): Likewise.
 464         * class.c (find_intrinsic_vtab): Likewise.
 465         * simplify.c (gfc_simplify_sizeof): Likewise.
 466
 467 2019-02-23  Jerry DeLisle <jvdelisle@gcc.gnu.org>
 468
 469         PR fortran/84387
 470         * trans-io.c (transfer_expr): Do not return if there are no
 471         components to the derived type or class.
 472
 473 2019-02-23  Paul Thomas  <pault@gcc.gnu.org>
 474
 475         PR fortran/88117
 476         * resolve.c (deferred_op_assign): Return if the lhs expression
 477         has the pointer attribute.
 478         * trans-expr.c (gfc_trans_assignment_1): Do not fix the string
 479         length if the lhs expression has the pointer attribute.
 480
 481 2019-02-23  Paul Thomas  <pault@gcc.gnu.org>
 482
 483         PR fortran/89385
 484         PR fortran/89366
 485         * decl.c (gfc_verify_c_interop_param): Restriction on string
 486         length being one is lifted for F2018.
 487         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): For scalar
 488         characters with intent in, make a temporary and copy the result
 489         of the expression evaluation into it.
 490         (gfc_conv_procedure_call): Set a flag for character formal args
 491         having a character length that is not unity. If the procedure
 492         is bind C, call gfc_conv_gfc_desc_to_cfi_desc in this case.
 493         Also, extend bind C calls to unconditionally convert both
 494         pointers and allocatable expressions.
 495
 496 2019-02-23  David Malcolm  <dmalcolm@redhat.com>
 497             Jakub Jelinek  <jakub@redhat.com>
 498
 499         PR middle-end/88074
 500         * simplify.c (norm2_do_sqrt, gfc_simplify_norm2): Use
 501         mpfr_number_p && !mpfr_zero_p instead of mpfr_regular_p.
 502         (norm2_add_squared): Likewise.  Use mp_exp_t rather than mpfr_exp_t.
 503
 504 2019-02-22  Harald Anlauf  <anlauf@gmx.de>
 505
 506         PR fortran/83057
 507         * io.c (gfc_match_open): Fix logic in checks of OPEN statement
 508         when NEWUNIT= is specified.
 509
 510 2019-02-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 511
 512         PR fortran/89431
 513         * gfortran.texi: Fix documentation to match the implementation.
 514
 515 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
 516             Cesar Philippidis  <cesar@codesourcery.com>
 517
 518         PR fortran/72741
 519         * gfortran.h (oacc_routine_lop): New enum.
 520         (symbol_attribute): Use it.
 521         * openmp.c (gfc_oacc_routine_dims): Replace with...
 522         (gfc_oacc_routine_lop): ... this new function.
 523         (gfc_match_oacc_routine): Adjust.
 524         * trans-decl.c (add_attributes_to_decl): Likewise.
 525
 526 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
 527
 528         * openmp.c (gfc_match_oacc_declare): Revert earlier changes.
 529
 530 2019-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 531
 532         * dump-parse-tree.c (debug): Implement for gfc_expr *,
 533         gfc_typespec *, gfc_typespec and gfc_symbol *.
 534
 535 2019-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 536
 537         PR fortran/86119
 538         * class.c (gfc_get_len_component): Add argument k for kind.
 539         If the kind of the resulting expression is not equal to k,
 540         convert it.
 541         * gfortran.h (gfc_len_component): Adjust prototype.
 542         * simplify.c (gfc_simplify_len): Pass kind to
 543         gfc_get_len_component.
 544
 545 2019-02-20  Martin Liska  <mliska@suse.cz>
 546
 547         * gfortran.texi: Change singular to plural.
 548
 549 2019-02-20  Martin Liska  <mliska@suse.cz>
 550
 551         * gfortran.texi: Document Fortran header directive.
 552
 553 2019-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 554
 555         PR fortran/89384
 556         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): If the dummy
 557         argument is contiguous and the actual argument may not be,
 558         use gfc_conv_subref_array_arg.
 559
 560 2019-02-19  Thomas Schwinge  <thomas@codesourcery.com>
 561
 562         PR c/87924
 563         * openmp.c (gfc_match_omp_clauses): Add representation of wait clause
 564         without argument as 'wait (GOMP_ASYNC_NOVAL)'.
 565
 566 2019-02-18  Thomas Koenig  <tkoenig@gcc.gnu.org>
 567
 568         PR fortran/87689
 569         * trans-decl.c (gfc_get_extern_function_decl): Add argument
 570         actual_args and pass it through to gfc_get_function_type.
 571         * trans-expr.c (conv_function_val): Add argument actual_args
 572         and pass it on to gfc_get_extern_function_decl.
 573         (conv_procedure_call): Pass actual arguments to conv_function_val.
 574         * trans-types.c (get_formal_from_actual_arglist): New function.
 575         (gfc_get_function_type): Add argument actual_args.  Generate
 576         formal args from actual args if necessary.
 577         * trans-types.h (gfc_get_function_type): Add optional argument.
 578         * trans.h (gfc_get_extern_function_decl): Add optional argument.
 579
 580 2019-02-18  Martin Liska  <mliska@suse.cz>
 581
 582         * decl.c (gfc_match_gcc_builtin): Add support for filtering
 583         of builtin directive based on multilib ABI name.
 584
 585 2019-02-17  Harald Anlauf  <anlauf@gmx.de>
 586
 587         PR fortran/88299
 588         * resolve.c (resolve_common_blocks,resolve_common_vars): Move
 589         check for obsolent COMMON feature in F2018 to better place.
 590
 591 2019-02-17  Harald Anlauf  <anlauf@gmx.de>
 592
 593         PR fortran/89077
 594         * decl.c (gfc_set_constant_character_len): Clear original string
 595         representation after padding has been performed to target length.
 596
 597 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
 598
 599         PR middle-end/88074
 600         * simplify.c (simplify_transformation_to_array): Run post_op
 601         immediately after processing corresponding row, rather than at the
 602         end.
 603         (norm2_scale): New variable.
 604         (add_squared): Rename to ...
 605         (norm2_add_squared): ... this.  Scale down operand and/or result
 606         if needed.
 607         (do_sqrt): Rename to ...
 608         (norm2_do_sqrt): ... this.  Handle the result == e case.  Scale up
 609         result and clear norm2_scale.
 610         (gfc_simplify_norm2): Clear norm2_scale.  Change add_squared to
 611         norm2_add_squared and &do_sqrt to norm2_do_sqrt.  Scale up result
 612         and clear norm2_scale again.
 613
 614 2019-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 615
 616         PR fortran/71066
 617         * trans-decl.c (generate_coarray_sym_init):  For an array
 618         constructor in a DATA statement of a coarray variable, set the
 619         rank to 1 to avoid confusion later on.  If the constructor
 620         contains only one value, use that for initiailizig.
 621
 622 2019-02-14  Janne Blomqvist  <jb@gcc.gnu.org>
 623
 624         PR fortran/81552
 625         * gfortran.h (gfc_option_t): Make flag_init_integer_value a long.
 626         * options.c (gfc_handle_option): Use strtol instead of atoi.
 627         * invoke.texi: Document -finit-integer behavior in more detail.
 628
 629 2019-02-14  Harald Anlauf  <anlauf@gmx.de>
 630
 631         PR fortran/88248
 632         * symbol.c: Move check for labeled DO statement from
 633         gfc_define_st_label to gfc_reference_st_label.
 634
 635 2019-02-14  Cesar Philippidis  <cesar@codesourcery.com>
 636
 637         PR fortran/72715
 638         * openmp.c (resolve_oacc_nested_loops): Error on do concurrent
 639         loops.
 640
 641 2019-02-13  Martin Liska  <mliska@suse.cz>
 642
 643         PR fortran/88649
 644         * resolve.c (resolve_operator): Initialize 't' right
 645         after function entry.  Skip switch (e->value.op.op)
 646         for -fdec operands that become function calls.
 647
 648 2019-02-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 649
 650         PR fortran/71723
 651         * expr.c (gfc_check_assign): Add argument is_init_expr.  If we are
 652         looking at an init expression, issue error if the target is not a
 653         TARGET and we are not looking at a procedure pointer.
 654         * gfortran.h (gfc_check_assign): Add optional argument
 655         is_init_expr.
 656
 657 2019-02-09  Harald Anlauf  <anlauf@gmx.de>
 658
 659         PR fortran/89077
 660         * resolve.c (gfc_resolve_substring_charlen): Check substring
 661         length for constantness prior to general calculation of length.
 662
 663 2019-02-09  Paul Thomas  <pault@gcc.gnu.org>
 664
 665         PR fortran/89200
 666         * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
 667         field for derived types.
 668
 669 2019-02-04  Harald Anlauf  <anlauf@gmx.de>
 670
 671         PR fortran/89077
 672         * decl.c (add_init_expr_to_sym): Copy length of string initializer
 673         to declared symbol.
 674
 675 2019-02-04  Martin Liska  <mliska@suse.cz>
 676
 677         PR fortran/89185
 678         * resolve.c (resolve_ref): Remove breakout variable as
 679         we need to prevent prev = &(*prev)->next to happen
 680         with *prev == NULL.
 681
 682 2019-02-04  Martin Liska  <mliska@suse.cz>
 683
 684         PR fortran/88912
 685         * scanner.c (load_file): Report error for -fpre-include
 686         file and do not ICE.
 687
 688 2019-02-02  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 689
 690         PR fortran/81344
 691         * invoke.texi: Document the behavior of repeated -ffpe-trap
 692         and -ffpe-summary.
 693
 694 2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 695
 696         PR fortran/88298
 697         * arith.c (gfc_int2int): Do not warn if src->do_not_warn is set.
 698         * gfortran.h (gfc_expr): Add flag do_not_warn.
 699         * intrinsic.c (gfc_convert_type_warn): Set expr->do_not_warn if
 700         no warning is desired.
 701
 702 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
 703
 704         PR fortran/88393
 705         * trans-expr.c (gfc_conv_procedure_call): For derived entities,
 706         passed in parentheses to class formals, invert the order of
 707         copying allocatable components to taking the _data of the
 708         class expression.
 709
 710 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
 711
 712         PR fortran/88980
 713         * trans-array.c (gfc_array_init_size): Add element_size to the
 714         arguments.
 715         (gfc_array_allocate): Remove the recalculation of the size of
 716         the element and use element_size from the call to the above.
 717         Unconditionally set the span field of the descriptor.
 718
 719 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
 720
 721         PR fortran/88685
 722         * expr.c (is_subref_array): Move the check for class pointer
 723         dummy arrays to after the reference check. If we haven't seen
 724         an array reference other than an element and a component is not
 725         class or derived, return false.
 726
 727 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
 728
 729         PR fortran/83246
 730         PR fortran/89084
 731         * trans-decl.c (generate_local_decl): Add referenced FL_PARAMETERs
 732         if sym->ns->construct_entities rather than if
 733         sym->ns->parent->code->op == EXEC_BLOCK.
 734
 735 2019-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 736
 737         PR fortran/88669
 738         * resolve.c (resolve_component): If the reference is a BT_CLASS,
 739         copy the contiguous attribute from the reference and use the
 740         correct attributes.
 741
 742 2019-01-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 743
 744         PR fortran/52564
 745         * io.c (match_io): Add check for comma after '*' without subsequent
 746         IO list.
 747
 748 2019-01-30  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 749
 750         PR fortran/52884
 751         * invoke.texi: Document the promotion of double precision
 752         constants.
 753
 754 2019-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 755
 756         PR fortran/57048
 757         * interface.c (gfc_compare_types): If a derived type and an
 758         integer both have a derived type, and they are identical,
 759         this is a C binding type and compares equal.
 760
 761 2019-01-26  Harald Anlauf  <anlauf@gmx.de>
 762
 763         PR fortran/57553
 764         * expr.c (check_inquiry): Add list of inquiry functions allowed in
 765         constant expressions for F2008+.
 766
 767 2019-01-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 768
 769         PR fortran/85780
 770         * decl.c (gfc_match_subroutine): Check for conflict between BIND(C)
 771         and alternative return.
 772
 773 2019-01-24  Paul Thomas  <pault@gcc.gnu.org>
 774
 775         PR fortran/88929
 776         * trans-array.c (gfc_conv_descriptor_elem_len): New function.
 777         * trans-array.h : Add prototype for above.
 778         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
 779         assumed rank arrays being flagged by rank = -1 in expressions.
 780         Intent in arrays need a pointer to a copy of the data to be
 781         assigned to the descriptor passed for conversion. This should
 782         then be freed, together with the CFI descriptor on return from
 783         the C call.
 784
 785 2019-01-22  Harald Anlauf  <anlauf@gmx.de>
 786
 787         PR fortran/88579
 788         * trans-expr.c (gfc_conv_power_op): Handle cases of (2**e) ** integer
 789         and (- 2**e) ** integer.
 790
 791 2019-01-19  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 792
 793         PR fortran/37835
 794         * resolve.c (resolve_types): Add !flag_automatic.
 795         * symbol.c (gfc_add_save): Silence warnings.
 796
 797 2019-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 798
 799         PR fortran/77960
 800         * io.c (match_io_element): input-item cannot be an external function.
 801
 802 2018-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 803         Paul Thomas  <pault@gcc.gnu.org>
 804
 805         PR fortran/56789
 806         * trans-expr.c (gfc_conv_procedure_call): Call
 807         gfc_conv_subref_array_arg if the formal arg is contiguous
 808         and the actual arg may not be.
 809
 810 2019-01-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 811
 812         PR fortran/88871
 813         * resolve.c (resolve_ref): Fix logic for removal of
 814         reference.
 815
 816 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
 817
 818         PR fortran/88902
 819         * trans-decl.c (gfc_get_symbol_decl): Don't add length to function
 820         or parent function if it has been added there already.
 821
 822 2019-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
 823
 824         PR fortran/43136
 825         * resolve.c (resolve_array_ref): Add equal_length argument; set it
 826         if the length of the substring equals that of the orignal
 827         variable.
 828         (resolve_ref): Remove the substring if it is equal in length to
 829         the original variable, unless it is an EXPR_SUBSTRING).
 830
 831 2019-01-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 832
 833         PR fortran/81849
 834         * resolve.c (resolve_symbol): Host associated varaibles can appear
 835         in the specification statement of a RESULT array.
 836
 837 2019-01-15  Paul Thomas  <pault@gcc.gnu.org>
 838
 839         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
 840         that are indirect references; ie. dummy arguments.
 841
 842 2019-01-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 843
 844         PR fortran/88803
 845         * gfortran.texi: Replace @xref with @ref and adjust the sentence.
 846
 847 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 848
 849         PR fortran/57992
 850         * trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
 851         functions with contiguous results.
 852
 853 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 854
 855         PR fortran/59345
 856         * trans-array.c (gfc_conv_array_parameter): Remove TODO.  Do not
 857         pack/unpack results of functions which return an explicit-shaped
 858         or allocatable array.
 859
 860 2019-01-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 861
 862         PR fortran/61765
 863         * resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
 864         structure into independent if's with a return to simplify logic.
 865         Avoid a check for ENTRY name with bind(c).
 866
 867 2019-01-12  Paul Thomas  <pault@gcc.gnu.org>
 868
 869         * gfortran.texi: Add description in sections on TS 29113 and
 870         further interoperability with C.
 871         * trans-array.c (gfc_conv_descriptor_attribute): New function.
 872         (gfc_get_dataptr_offset): Remove static function attribute.
 873         * trans-array.h: Add prototypes for above functions.
 874         * trans-decl.c: Add declarations for the library functions
 875         cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
 876         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
 877         (gfc_conv_procedure_call): Call it for scalar and array actual
 878         arguments, when the formal arguments are bind_c with assumed
 879         shape or assumed rank.
 880         * trans.h: External declarations for gfor_fndecl_cfi_to_gfc
 881         and gfor_fndecl_gfc_to_cfi.
 882
 883 2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 884
 885         PR fortran/35031
 886         * decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
 887         mis-indentation.
 888
 889 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
 890
 891         PR middle-end/85956
 892         PR lto/88733
 893         * trans-openmp.c: Include attribs.h.
 894         (gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
 895         VAR_DECL max bound with "omp dummy var" attribute like NULL or
 896         error_mark_node - recompute number of elts independently.
 897
 898 2019-01-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 899
 900         PR fortran/59345
 901         * trans-array.c (gfc_conv_parameter_array): Temporary
 902         arrays generated for expressions do not need to be repacked.
 903
 904 2019-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 905
 906         PR fortran/86322
 907         * decl.c (top_var_list): Set locus of expr.
 908         (gfc_match_data): Detect pointer on non-rightmost part-refs.
 909
 910 2019-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 911
 912         PR fortran/88376
 913         * resolve.c (is_illegal_recursion): Remove an assert().
 914
 915 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 916
 917         PR other/16615
 918         * expr.c: Change "can not" to "cannot".
 919
 920 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 921
 922         PR other/16615
 923         * class.c: Mechanically replace "can not" with "cannot".
 924         * decl.c: Likewise.
 925         * expr.c: Likewise.
 926         * gfc-internals.texi: Likewise.
 927         * intrinsic.texi: Likewise.
 928         * invoke.texi: Likewise.
 929         * io.c: Likewise.
 930         * match.c: Likewise.
 931         * parse.c: Likewise.
 932         * primary.c: Likewise.
 933         * resolve.c: Likewise.
 934         * symbol.c: Likewise.
 935         * trans-array.c: Likewise.
 936         * trans-decl.c: Likewise.
 937         * trans-intrinsic.c: Likewise.
 938         * trans-stmt.c: Likewise.
 939
 940 2019-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 941
 942         PR fortran/68426
 943         * simplify.c (gfc_simplify_spread): Also simplify if the
 944         type of source is an EXPR_STRUCTURE.
 945
 946 2019-01-08  Janus Weil  <janus@gcc.gnu.org>
 947
 948         PR fortran/88047
 949         * class.c (gfc_find_vtab): For polymorphic typespecs, the components of
 950         the class container may not be available (in case of invalid code).
 951
 952 2019-01-08  Richard Biener  <rguenther@suse.de>
 953
 954         PR fortran/88611
 955         * trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
 956         directly build the expected GENERIC tree.
 957
 958 2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
 959         Harald Anlauf <anlauf@gmx.de>
 960         Tobias Burnus <burnus@gcc.gnu.org>
 961
 962         PR fortran/45424
 963         * check.c (gfc_check_is_contiguous): New function.
 964         * expr.c (gfc_is_not_contiguous): New function.
 965         * gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
 966         Add prototype for gfc_is_not_contiguous.
 967         * intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
 968         (add_function): Add is_contiguous.
 969         * intrinsic.h: Add prototypes for gfc_check_is_contiguous,
 970         gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
 971         * intrinsic.texi: Add IS_CONTIGUOUS.
 972         * iresolve.c (gfc_resolve_is_contiguous): New function.
 973         * simplify.c (gfc_simplify_is_contiguous): New function.
 974         * trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
 975         (gfc_build_intrinsic_function_decl): Add it.
 976         * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
 977         function.
 978         (gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.
 979
 980 2019-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 981
 982         PR fortran/88658
 983         * gfortran.h: Add macro gfc_real_4_kind
 984         * simplify.c (simplify_min_max): Special case for the types of
 985         AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
 986         their arguments.
 987
 988 2019-01-05  Janus Weil  <janus@gcc.gnu.org>
 989
 990         PR fortran/88009
 991         * class.c (gfc_find_derived_vtab): Mark the _final component as
 992         artificial.
 993         (find_intrinsic_vtab): Ditto. Also add an extra check to avoid
 994         dereferencing a null pointer and adjust indentation.
 995         * resolve.c (resolve_fl_variable): Add extra check to avoid
 996         dereferencing a null pointer. Move variable declarations to local scope.
 997         (resolve_fl_procedure): Add extra check to avoid dereferencing a null
 998         pointer.
 999         * symbol.c (check_conflict): Suppress errors for artificial symbols.
1000
1001 2019-01-01  Steven G. Kargl  <kargl@gcc.gnu.org>
1002
1003         * parse.c (decode_statement): Suppress "Unclassifiable statement"
1004         error if previous error messages were emittes.
1005
1006 2019-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
1007
1008         PR fortran/82743
1009         * primary.c (gfc_convert_to_structure_constructor): If a character
1010         in a constructor is too long, add a  warning with
1011         -Wcharacter-truncation.
1012
1013 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
1014
1015         Update copyright years.
1016
1017         * gfortranspec.c (lang_specific_driver): Update copyright notice
1018         dates.
1019         * gfc-internals.texi: Bump @copying's copyright year.
1020         * gfortran.texi: Ditto.
1021         * intrinsic.texi: Ditto.
1022         * invoke.texi: Ditto.
1023 \f
1024 Copyright (C) 2019 Free Software Foundation, Inc.
1025
1026 Copying and distribution of this file, with or without modification,
1027 are permitted in any medium without royalty provided the copyright
1028 notice and this notice are preserved.