gcc/fortran/ChangeLog

   1 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
   2
   3         PR fortran/82969
   4         PR fortran/86242
   5         * trans-array.c (structure_alloc_comps): Do not explicitly copy
   6         procedure pointer components.
   7
   8 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
   9
  10         PR fortran/45305
  11         * expr.c : Add a prototype for scalarize_intrinsic_call.
  12         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
  13         intrinsic function calls.
  14         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
  15         the expression or any of the actual argument expressions are
  16         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
  17         Only simplify the scalarized expressions if there are no errors
  18         on the stack.
  19         (gfc_check_init_expr): Set 'init_flag' true in the call to
  20         scalarize_intrinsic_call.
  21
  22 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
  23
  24         PR fortran/82865
  25         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
  26
  27 2018-06-28  Martin Liska  <mliska@suse.cz>
  28
  29         * gfortranspec.c: Include opt-suggestions.h.
  30
  31 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
  32
  33         PR fortran/82972
  34         PR fortran/83088
  35         PR fortran/85851
  36         * expr.c (component_initializer): Assign init expr to c->initializer.
  37         (generate_isocbinding_initializer): New.
  38         (gfc_generate_initializer): Call generate_isocbinding_initializer to
  39         generate initializers for c_ptr and c_funptr with -finit-derived.
  40
  41 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
  42
  43         PR fortran/85983
  44         * interface.c (check_dtio_interface1): Delete assert.
  45
  46 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
  47             Rainer Orth  <ro@gcc.gnu.org>
  48
  49         PR fortran/86281
  50         * resolve.c (resolve_contained_fntype): Check for the charlen
  51         before testing the length.
  52
  53 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
  54
  55         PR fortran/49630
  56         * resolve.c (resolve_contained_fntype): Change standard ref.
  57         from F95 to F2003: C418. Correct a spelling error in a comment.
  58         It is an error for an abstract interface to have an assumed
  59         character length result.
  60         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
  61         standard reference.
  62
  63 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
  64
  65         PR fortran/83118
  66         * resolve.c (resolve_ordinary_assign): Force the creation of a
  67         vtable for assignment of non-polymorphic expressions to an
  68         unlimited polymorphic object.
  69         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
  70         size of the rhs type for such assignments. Set the dtype, _len
  71         and vptrs appropriately.
  72         * trans-expr.c (gfc_trans_assignment): Force the use of the
  73         _copy function for these assignments.
  74
  75 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
  76             Thomas Schwinge <thomas@codesourcery.com>
  77             Cesar Philippidis  <cesar@codesourcery.com>
  78
  79         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
  80         bitfields.
  81         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
  82         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
  83         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
  84         create, deviceptr, present_of_*. Add support for finalize and
  85         if_present.
  86         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
  87         (OACC_KERNELS_CLAUSES): Likewise.
  88         (OACC_DATA_CLAUSES): Likewise.
  89         (OACC_DECLARE_CLAUSES): Likewise.
  90         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
  91         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
  92         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
  93         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
  94         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
  95         and FINALIZE.
  96
  97 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
  98
  99         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 100
 101 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 102
 103         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 104         (nonlocal_dummy_decls): Likewise.
 105         (gfc_nonlocal_dummy_array_decl): Likewise.
 106         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 107         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 108         reusing the result of a recursive call.
 109         (gfc_generate_function_code): Do not create, insert and destroy
 110         nonlocal_dummy_decls.
 111
 112 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 113
 114         PR fortran/86110
 115         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 116         pointer dereference.
 117
 118 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 119
 120         PR fortran/85703
 121         * parse.c (decode_oacc_directive): Set gfc_matching_function
 122         to false.
 123         (decode_omp_directive): Likewise.
 124
 125 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 126
 127         PR fortran/85702
 128         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 129
 130 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 131
 132         PR other/69968
 133         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 134         levenshtein_distance to get_edit_distance.
 135
 136 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 137
 138         PR fortran/44491
 139         * expr.c (gfc_check_assign): Select non-NULL locus.
 140
 141 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 142
 143         PR fortran/45521
 144         * interface.c (compare_ptr_alloc): New function.
 145         (generic_correspondence): Call it.
 146
 147 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 148
 149         * gfortran.h (gfc_expr): Add no_bounds_check field.
 150         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 151         on function and function argument.
 152         (inline_matmul_assign): Set no_bounds_check on zero expression
 153         and on lhs of zero expression.
 154         Also handle A1B2 case if realloc on assigment is active.
 155         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 156         if expr has no_bounds_check set.
 157         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 158         has it set.
 159         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 160         on lss and lss if the corresponding expressions have it set.
 161
 162 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 163
 164         PR fortran/79854
 165         * trans-const.c: Remove include "diagnostic-core.h".
 166         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 167
 168 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 169
 170         PR fortran/85088
 171         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 172         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 173         and remove a TODO note.
 174         * gfortran.h: Add a comment to sym_intent.
 175
 176 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 177
 178         PR fortran/38351
 179         * resolve.c (resolve_operator): Provide better error message for
 180         derived type entity used in an binary intrinsic numeric operator.
 181
 182 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 183
 184         PR fortran/85138
 185         PR fortran/85996
 186         PR fortran/86051
 187         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 188         reduce a charlen to a constant.
 189
 190 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 191
 192         PR fortran/78278
 193         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 194         an error for double initialization of CHARACTER entities.
 195
 196 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 197
 198         PR fortran/63514
 199         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 200
 201 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 202
 203         PR fortran/85631
 204         * trans.h (gfc_ss): Add field no_bounds_check.
 205         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 206         ss->no_bounds_check is set, do not use runtime checks.
 207         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 208         for reallocatable lhs.
 209
 210 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 211
 212         PR fortran/86059
 213         * array.c (match_array_cons_element): NULL() cannot be in an
 214         array constructor.
 215
 216 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 217
 218         PR fortran/78571
 219         * data.c (create_character_initializer): Return early if type is
 220         incompatible with CHARACTER.
 221
 222 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 223
 224         PR fortran/86045
 225         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 226         'P' is zero and issue an error if it is.
 227
 228 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 229
 230         PR fortran/85641
 231         * frontend-passes.c (is_fe_temp): Add prototype.
 232         (realloc_string_callback): Early return for frontend-generated
 233         temporary.
 234
 235 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 236
 237         PR fortran/85701
 238
 239         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 240         subroutine data clause arguments.
 241
 242 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 243
 244         PR fortran/85981
 245         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 246         character kind.
 247
 248 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 249
 250         PR fortran/36497
 251         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 252
 253 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 254
 255         PR fortran/63570
 256         * check.c (gfc_check_random_init): New function. Check arguments of
 257         RANDOM_INIT.
 258         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 259         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 260         subroutines.
 261         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 262         * intrinsic.h: Add prototypes for gfc_check_random_init and
 263         gfc_resolve_random_init
 264         * intrinsic.texi: Document new intrinsic subprogram.
 265         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 266         * trans-decl.c: Declare gfor_fndecl_random_init
 267         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 268         Translate call to RANDOM_INIT.
 269         (gfc_conv_intrinsic_subroutine): Call it.
 270         * trans.h: Declare gfor_fndecl_random_init
 271
 272 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 273
 274         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 275         initialization in a data statement.
 276
 277 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 278
 279         PR fortran/85839
 280         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 281         an obsolescent feature in Fortran 2018.
 282         (gfc_match_equivalence): Ditto.
 283         * resolve.c (resolve_common_blocks): Ditto.
 284         (gfc_resolve_forall): Ditto.
 285         * symbol.c (gfc_define_st_label): Ditto.
 286
 287 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 288
 289         PR fortran/85543
 290         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 291         pointer dereference.
 292
 293 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 294
 295         PR fortran/85780
 296         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 297
 298 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 299
 300         PR fortran/85779
 301         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 302
 303 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 304
 305         PR fortran/85895
 306         * resolve.c (resolve_sync): Resolve expression before checking for
 307         an error.
 308
 309 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 310
 311         PR fortran/85841
 312         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 313         GFC_STD_OPT_F08TS.
 314         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 315         * options.c (set_default_std_flags): Ditto.
 316         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 317         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 318         GFC_STD_F2018.
 319         * check.c (gfc_check_atomic, gfc_check_event_query,
 320         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 321         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 322         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 323         * intrinsic.c (add_functions, add_subroutines,
 324         gfc_check_intrinsic_standard): Ditto.
 325         * iso-c-binding.def: Ditto.
 326         * iso-fortran-env.def: Ditto.
 327         * match.c (gfc_match_event_post, gfc_match_event_wait,
 328         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 329         gfc_match_end_team, gfc_match_sync_team): Ditto.
 330         * gfortran.texi: Remove mention of -std=f2008ts.
 331         Move TSs into F2018 section.
 332         * invoke.texi: Update documentation of -std=f2008ts.
 333
 334 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 335
 336         PR fortran/85841
 337         * libgfortran.h: New macros GFC_STD_OPT_*.
 338         * error.c (notify_std_msg): New function.
 339         (gfc_notify_std): Adjust such that it can handle combinations of
 340         GFC_STD_* flags in the 'std' argument, not just a single one.
 341         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 342         in Fortran 2018.
 343         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 344         * options.c (set_default_std_flags): Warn for F2018 deleted features
 345         by default.
 346         (gfc_handle_option): F2018 deleted features are allowed in earlier
 347         standards.
 348         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 349         nonblock do constructs in Fortran 2018.
 350
 351 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 352
 353         PR fortran/80657
 354         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 355         test for self refs to the function result in the character len
 356         expression. If a self reference is found, emit an error and
 357         return true.
 358         (resolve_fntype): Use the function symbol in the calls to the
 359         above.
 360
 361 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 362
 363         PR fortran/49636
 364         * trans-array.c (gfc_get_array_span): Renamed from
 365         'get_array_span'.
 366         (gfc_conv_expr_descriptor): Change references to above.
 367         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 368         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 369         blocks for 'arg1'.
 370         * trans-stmt.c (trans_associate_var): If the associate name is
 371         a subref array pointer, use gfc_get_array_span for the span.
 372
 373 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 374
 375         PR fortran/82275
 376         * match.c (gfc_match_type_spec): Go through the array ref and
 377         decrement 'rank' for every dimension that is an element.
 378
 379 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 380
 381         PR fortran/82923
 382         PR fortran/66694
 383         PR fortran/82617
 384         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 385         charlen backend_decl of the rhs expr to ss->info->string_length
 386         so that the value in the current scope is used.
 387
 388 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 389
 390         PR fortran/63529
 391         * gfortran.texi: Clarify documentation for Cray pointer and
 392         assumed-sized array.
 393
 394 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 395
 396         PR fortran/85742
 397         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 398         of 'size'. If the element type is a pointer use the size of the
 399         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 400         case, set the size to zero.
 401
 402 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 403
 404         * gfortran.h: Remove prototype.
 405         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 406
 407 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 408
 409         PR fortran/85542
 410         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 411
 412 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 413
 414         PR fortran/85687
 415         * check.c (gfc_check_rank): Check that the argument is a data object.
 416
 417 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 418
 419         PR fortran/85521
 420         * array.c (gfc_resolve_character_array_constructor): Substrings
 421         with upper bound smaller than lower bound are zero length strings.
 422
 423 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 424
 425         PR fortran/70870
 426         * data.c (gfc_assign_data_value): Check that a data object does
 427         not also have default initialization.
 428
 429 2018-05-10  Marek Polacek  <polacek@redhat.com>
 430
 431         PR fortran/85735
 432         * options.c (gfc_post_options): Set main_input_filename.
 433
 434 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 435
 436         PR fortran/54613
 437         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 438
 439 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 440
 441         PR fortran/68846
 442         PR fortran/70864
 443         * resolve.c (get_temp_from_expr): The temporary must not have
 444         dummy or intent attributes.
 445
 446 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 447
 448         PR fortran/54613
 449         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 450         implemented.  Use gfc_logical_4_kind for BACK.
 451         * simplify.c (min_max_choose): Add optional argument back_val.
 452         Handle it.
 453         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 454         back_val to min_max_choose.
 455         (simplify_minmaxloc_to_nodim): Likewise.
 456         (simplify_minmaxloc_to_array): Likewise.
 457         (gfc_simplify_minmaxloc): Add argument back, handle it.
 458         Pass back_val to specific simplification functions.
 459         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 460         pass it on to gfc_simplify_minmaxloc.
 461         (gfc_simplify_maxloc): Likewise.
 462         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 463         comment. If BACK is true, use greater or equal (or lesser or
 464         equal) insteal of greater (or lesser). Mark the condition of
 465         having found a value which exceeds the limit as unlikely.
 466
 467 2018-05-07  Jeff Law  <law@redhat.comg>
 468
 469         * scanner.c (preprocessor_line): Call linemap_add after a line
 470         directive that changes the current filename.
 471
 472 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 473
 474         PR fortran/85507
 475         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 476         introduced by r259385.
 477         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 478         same variables in coarray assignments.
 479
 480 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 481
 482         PR libgomp/82428
 483         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 484
 485 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 486
 487         PR fortran/85520
 488         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 489
 490 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 491
 492         PR fortran/81773
 493         PR fortran/83606
 494         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 495         during dependency computation.  They define no data dependency.
 496         * trans-array.c (conv_array_index_offset): The stride can not be set
 497         here, prevent fail.
 498         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 499         for caf_get's result and copying to the array with vectorial
 500         indexing.
 501
 502 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 503
 504         PR fortran/85387
 505         * frontend-passes.c (traverse_io_block): Check for start, end or
 506         stride being defined by an outer implied DO loop.
 507
 508 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 509
 510         PR fortran/83064
 511         PR testsuite/85346
 512         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 513         for annotation and remove dependence on -ftree-parallelize-loops.
 514
 515 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 516
 517         PR fortran/85313
 518         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 519         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 520
 521 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 522
 523         PR fortran/83064
 524         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 525         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 526         is set.
 527
 528 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 529
 530         PR fortran/51260
 531         * resolve.c (resolve_variable): Simplify cases where access to a
 532         parameter array results in a single constant.
 533
 534 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 535
 536         PR fortran/85102
 537         * decl.c (variable_decl): If upper or lower bounds simplify
 538         to a constant, use that.
 539
 540 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 541
 542         PR fortran/84931
 543         * simplify.c (gfc_convert_constant): Handle case of array
 544         constructors within an array that has no iterator and improve
 545         the conciseness of this section of code.
 546
 547 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 548
 549         PR fortran/85111
 550         * array.c (gfc_resolve_character_array_constructor): Early
 551         exit for zero-size arrays.
 552         * simplify.c (simplify_transformation_to_array): Exit early
 553         if the result size is zero.
 554         (simplify_minmaxloc_to_array): Likewise.
 555
 556 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 557
 558         PR fortran/69497
 559         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 560         from the root.
 561         (gfc_free_namespace): Restore assert (revert r258839).
 562
 563 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 564
 565         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 566         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 567         (IOPARM_dt_dec_ext): ... this.
 568         * trans-io.c (build_dt): Adjust for default_exp renaming to
 569         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 570         * io.c (match_io): Likewise.
 571
 572 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 573
 574         PR fortran/85084
 575         * frontend-passes.c (gfc_run_passes): Do not run front-end
 576         optimizations if a previous error occurred.
 577
 578 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 579         Harald Anlauf  <anlauf@gmx.de>
 580
 581         PR fortran/85083
 582         * primary.c (gfc_convert_to_structure_constructor): Check
 583         conformance of argument types in structure constructor.
 584
 585 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 586
 587         PR fortran/66709
 588         * io.c: Include constructor.h.
 589         (resolve_tag_format): For a constant character array, concatenate
 590         into a single character expression.
 591
 592 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 593         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 594
 595         PR fortran/84924
 596         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 597         scalar derived type with -std=f2003 and -std=f2008.
 598
 599 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 600             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 601
 602         PR fortran/69497
 603         * symbol.c (gfc_free_namespace): Delete the assert and only if
 604         refs count is equals zero, free the namespace. Otherwise,
 605         something is halfway and other errors will resound.
 606
 607 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 608
 609         PR fortran/70068
 610         * expr.c (find_substring_ref): Change types of start, end
 611         and length variables to gfc_charlen_t. Set length to zero
 612         for empty substring.
 613
 614 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 615
 616         PR fortran/42651
 617         * decl.c (check_function_name): Improved error message
 618         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 619
 620 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 621
 622         PR fortran/84922
 623         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 624         body, then it must appear on the contained subroutine or function.
 625         While here, fix nearby mis-indented code.
 626
 627 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 628         Harald Anlauf  <anlauf@gmx.de>
 629
 630         PR fortran/84957
 631         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 632
 633 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 634
 635         PR fortran/84615
 636         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 637         gfc_charlen_type_node when calling procedure.
 638
 639 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 640
 641         PR fortran/85001
 642         * interface.c (symbol_rank): Remove bogus null pointer check that
 643         crept in when translating a ternary operator into an if-else
 644         constructor.
 645
 646 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 647
 648         PR fortran/84931
 649         * simplify.c (gfc_convert_constant): Correctly handle iterators
 650         for type conversion.
 651
 652 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 653
 654         PR fortran/77414
 655         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 656         the contain portion of a subroutine.  Change language of existing
 657         error message to better describe the issue. While here fix whitespace
 658         issues.
 659
 660 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 661
 662         PR fortran/65453
 663         * decl.c (get_proc_name): Catch clash between a procedure statement
 664         and a contained subprogram
 665
 666 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 667
 668         PR fortran/69395
 669         * decl.c (merge_array_spec): Correct the error condition.
 670
 671 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 672
 673         PR fortran/78741
 674         * decl.c (get_proc_name):  Check for clash of entry name with
 675         subroutine name.
 676
 677 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 678
 679         PR fortran/69395
 680         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 681         dimensions, and issue error message if limit is exceeded.
 682
 683 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 684
 685         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 686         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 687         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 688         * intrinsic.texi: Update documentation.
 689         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 690         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 691         gfor_fndecl_kill and gfor_fndecl_kill_sub
 692         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 693         functions.
 694         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 695         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 696         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 697
 698 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 699
 700         PR fortran/84546
 701         * trans-array.c (structure_alloc_comps): Make sure that the
 702         vptr is copied and that the unlimited polymorphic _len is used
 703         to compute the size to be allocated.
 704         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 705         unlimited polymorphic _len for the offset to the element.
 706         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 707         * trans.h : Add the boolean 'unlimited' to the prototype.
 708
 709 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 710
 711         PR fortran/83939
 712         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 713
 714 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 715
 716         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 717         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 718         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 719         keywords for KILL.  Remove redundant *back="back" in favor of the
 720         original *bck="back".
 721         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 722         for KILL.
 723         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 724         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 725         correct function.
 726         (gfc_resolve_rename_sub): Add comment.
 727
 728 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 729
 730         PR fortran/66128
 731         * simplify.c (simplify_transformation): Return default result for
 732         empty array argument.
 733         (gfc_simplify_all): Remove special-case handling for zerosize.
 734         (gfc_simplify_any): Likewise.
 735         (gfc_simplify_count): Likewise.
 736         (gfc_simplify_iall): Likewise.
 737         (gfc_simplify_iany): Likewise.
 738         (gfc_simplify_iparity): Likewise.
 739         (gfc_simplify_minval): Likewise.
 740         (gfc_simplify_maxval): Likewise.
 741         (gfc_simplify_norm2): Likewise.
 742         (gfc_simplify_product): Likewise.
 743         (gfc_simplify_sum): Likewise.
 744
 745 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 746
 747         PR fortran/84734
 748         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 749         the expression up the chain instead of a NULL pointer.
 750
 751 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 752
 753         PR fortran/64124
 754         PR fortran/70409
 755         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 756
 757 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 758
 759         PR fortran/84697
 760         PR fortran/66128
 761         * expr.c (simplify_parameter_variable): If p is a size zero array
 762         and not an ARRAY_EXPR insert an empty array constructor and
 763         return.
 764         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 765         * simplify.c (is_size_zero_array): Make non-static and rename into
 766         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 767         size by comparing shape and absence of constructor.
 768         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 769         is_size_zero_array.
 770         (gfc_simplify_count): Likewise.
 771         (gfc_simplify_iall): Likewise.
 772         (gfc_simplify_iany): Likewise.
 773         (gfc_simplify_iparity): Likewise.
 774         (gfc_simplify_minval): Likewise.
 775         (gfc_simplify_maxval): Likewise.
 776         (gfc_simplify_product): Likewise.
 777         (gfc_simplify_sum): Likewise.
 778
 779 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 780
 781         PR fortran/56667
 782         * primary.c (match_sym_complex_part): Give the matcher for an implied
 783         do-loop a chance to run.
 784
 785 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 786
 787         PR fortran/71085
 788         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 789         dereference NULL pointer.
 790
 791 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 792
 793         PR fortran/66128
 794         * simplify.c (is_size_zero_array): New function to check for size
 795         zero array.
 796         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 797          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 798          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 799          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 800         requirements from F2018.
 801
 802 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 803
 804         PR fortran/51434
 805         * simplify.c (gfc_simplify_transfer): Resolve mold.
 806
 807 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 808
 809         PR fortran/80965
 810         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 811         '_loc'.
 812
 813 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 814
 815         PR fortran/84219
 816         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 817         components are caf tokens.
 818         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 819         integers.
 820
 821 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 822
 823         PR fortran/84538
 824         * class.c (class_array_ref_detected): Remove the condition that
 825         there be no reference after the array reference.
 826         (find_intrinsic_vtab): Remove excess whitespace.
 827         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
 828         as 'base and call build_class_array_ref earlier.
 829
 830 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
 831
 832         PR fortran/83901
 833         * trans-stmt.c (trans_associate_var): Make sure that the se
 834         expression is a pointer type before converting it to the symbol
 835         backend_decl type.
 836
 837 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 838
 839         PR fortran/83633
 840         * decl.c (variable_decl): Check that an explicit-shape-array with
 841         nonconstant bounds is allowed.
 842
 843 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
 844
 845         PR fortran/84523
 846         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
 847         has a pre block, add it to the expression pre block.
 848
 849 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
 850
 851         PR fortran/78238
 852         * gfortran.h (gfc_integer_4_kind): Define.
 853         * resolve.c (resolve_select_type): Make sure that the
 854         kind of c->high is gfc_integer_4_kind.
 855
 856 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
 857
 858         PR fortran/30792
 859         * decl.c (gfc_match_data): Check for invalid substring in
 860         data-implied-do
 861
 862 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 863
 864         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
 865
 866 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 867
 868         PR fortran/84511
 869         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
 870
 871 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 872
 873         PR fortran/84346
 874         * interface.c (compare_actual_formal): Issue error if keyword is
 875         used in a statement function.
 876
 877 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 878
 879         PR fortran/84506
 880         * trans-io.c (set_parameter_value_inquire): Adjust range check of
 881         negative unit values for kind=8 units to the kind=4 negative limit.
 882
 883 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 884
 885         PR fortran/83149
 886         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
 887         accessing its components.
 888
 889 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 890
 891         PR fortran/83149
 892         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
 893         before accessing its components.
 894
 895 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 896
 897         PR fortran/83148
 898         * trans-const.c : Clean up some whitespace issues.
 899         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
 900         derived type has a kind value of zero, set it to the default
 901         integer kind.
 902
 903 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
 904
 905         PR fortran/84519
 906         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
 907         argument to stop and error stop decls.
 908         * trans-stmt.c (gfc_trans_stop): Add false value to argument
 909         lists.
 910
 911 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 912
 913         PR 78534
 914         PR 84509
 915         * trans-decl.c (gfc_build_builtin_function_decls): Pass
 916         gfc_int8_type node to pause_numeric, size_type_node to
 917         pause_string.
 918         * trans-stmt.c (gfc_trans_pause): Likewise.
 919
 920 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 921
 922         * gfortran.texi: Update Coarray API description.
 923         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
 924         character lengths, int for exit codes.
 925         (generate_coarray_sym_init): Use size_t for character length.
 926         * trans-intrinsic.c (conv_co_collective): Likewise.
 927         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
 928         (gfc_trans_event_post_wait): Likewise.
 929         (gfc_trans_sync): Likewise.
 930         (gfc_trans_stop): Use size_t for character lengths, int for exit
 931         codes.
 932
 933 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
 934
 935         PR fortran/48890
 936         PR fortran/83823
 937         * primary.c (gfc_convert_to_structure_constructor):
 938         For a constant string constructor, make sure the length
 939         is correct.
 940
 941 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
 942
 943         PR fortran/83344
 944         PR fortran/83975
 945         * resolve.c (resolve_assoc_var): Rearrange the logic for the
 946         determination of the character length of associate names. If
 947         the associate name is missing a length expression or the length
 948         expression is not a constant and the target is not a variable,
 949         make the associate name allocatable and deferred length.
 950         * trans-decl.c (gfc_get_symbol_decl): Null the character length
 951         backend_decl for deferred length associate names that are not
 952         variables. Set 'length' to gfc_index_zero_node for character
 953         associate names, whose character length is a PARM_DECL.
 954
 955 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 956
 957         PR fortran/35339
 958         * frontend-passes.c (traverse_io_block): Remove workaround for
 959         PR 80945.
 960
 961 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
 962
 963         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
 964         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
 965         argument of _caf_*_by_ref () with * e { get, send, sendget }.
 966         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
 967         data referenced when generating a call to caf_get_by_ref ().
 968         (conv_caf_send): Same but for caf_send_by_ref () and
 969         caf_sendget_by_ref ().
 970
 971 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 972
 973         PR fortran/84389
 974         * io.c (check_format): Allow FMT_COLON.
 975
 976 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
 977
 978         PR fortran/80945
 979         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
 980         the typenode in the case of deferred length characters.
 981
 982 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 983
 984         PR fortran/84270
 985         * frontend-passes (scalarized_expr):  If the expression
 986         is an assumed size array, leave in the last reference
 987         and pass AR_SECTION instead of AR_FULL to gfc_resolve
 988         in order to avoid an error.
 989
 990 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
 991
 992         PR fortran/84115
 993         * resolve.c (resolve_assoc_var): If a non-constant target expr.
 994         has no string length expression, make the associate variable
 995         into a deferred length, allocatable symbol.
 996         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
 997         the symbol.
 998         * trans-stmt.c (trans_associate_var): Null and free scalar
 999         associate names that are allocatable. After assignment, remove
1000         the allocatable attribute to prevent reallocation.
1001
1002 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1003
1004         PR fortran/84418
1005         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1006         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1007
1008 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1009
1010         PR fortran/84354
1011         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1012
1013 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1014
1015         PR fortran/84409
1016         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1017         length.
1018
1019 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1020
1021         PR fortran/84385
1022         * match.c (gfc_match_select_type): Fix check for selector in
1023         SELECT TYPE statement.
1024
1025 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1026
1027         PR fortran/84313
1028         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1029
1030 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1031             Janne Blomqvist  <jb@gcc.gnu.org>
1032
1033         * module.c (dump_module): Use lbasename to ensure that module
1034         files are reproducible.
1035
1036 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1037
1038         PR fortran/84273
1039         * resolve.c (resolve_component): Fix checks of passed argument in
1040         procedure-pointer components.
1041
1042 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1043
1044         PR fortran/35299
1045         * resolve.c (resolve_formal_arglist): Update error message.
1046
1047 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1048
1049         * gfortran.texi: Fix typos in documentation of caf_register ().
1050         * trans-array.c (structure_alloc_comps): Only register a component of
1051         a derived typed corray, not of an ultimate component coarray.
1052
1053 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1054
1055         PR fortran/54223
1056         PR fortran/84276
1057         * interface.c (compare_actual_formal): Add in_statement_function
1058         bool parameter.  Skip check of INTENT attribute for statement
1059         functions.  Arguments to a statement function cannot be optional,
1060         issue error for missing argument.
1061         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1062          in_statement_function.
1063
1064 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1065
1066         PR fortran/84074
1067         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1068         flag. If the is a vector subscript or the expression is not a
1069         variable, make the descriptor one-based.
1070
1071 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1072
1073         PR fortran/84141
1074         PR fortran/84155
1075         * trans-array.c (gfc_array_init_size): Revert the change made
1076         in revision 257356 setting the dtype.
1077         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1078         Call gfc_get_dtype_rank_type every time.
1079
1080         PR fortran/56691
1081         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1082         is a descriptor type, use its offset, removing the condition
1083         that is be a class expression.
1084
1085 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1086
1087         PR fortran/82994
1088         * match.c (gfc_match_deallocate): Check for NULL pointer.
1089
1090 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1091
1092         PR fortran/68560
1093         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1094         (gfc_conv_intrinsic_function): Call it.
1095
1096 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1097
1098         PR fortran/82049
1099         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1100         try to resolve it.  While here return early if possible.
1101
1102 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1103
1104         PR fortran/84115
1105         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1106         'length' if the symbol charlen backend_decl is an indirect ref.
1107
1108 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1109
1110         PR fortran/84141
1111         PR fortran/84155
1112         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1113         use gfc_get_dtype_rank_type.
1114
1115 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1116
1117         PR 83975
1118         PR 83344
1119         * resolve.c (resolve_assoc_var): Generate an error if
1120         target length unknown.
1121
1122 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1123
1124         PR fortran/83705
1125         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1126         to runtime, print a warning message.
1127
1128 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1129
1130         PR fortran/84116
1131         * openmp.c (gfc_match_omp_clauses): If all the linear
1132         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1133         nor set *head = NULL.  Formatting fixes.
1134
1135 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1136
1137         PR fortran/84088
1138         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1139         an address expression passed to an assumed rank dummy, convert
1140         to an indirect reference.
1141
1142 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1143
1144         * dump-parse-tree.c (write_proc): Use sym_name (which may
1145         be sym->binding_label) instead of sym->name.
1146
1147 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1148
1149         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1150         of int for slen.
1151
1152 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1153
1154         PR fortran/78534
1155         * trans-expr.c (fill_with_spaces): Use memset instead of
1156         generating loop.
1157         (gfc_trans_string_copy): Improve opportunity to use builtins with
1158         constant lengths.
1159
1160 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1161
1162         PR debug/84131
1163         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1164         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1165
1166 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1167
1168         PR fortran/84134
1169         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1170         zero, return false.
1171
1172 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1173
1174         PR fortran/84133
1175         * frontend-passes (matmul_to_var_expr): Return early if
1176         in association list.
1177         (inline_matmul_assign): Likewise.
1178
1179 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1180
1181         PR fortran/84073
1182         * resolve.c (resolve_component): Ensure BIND(C) character
1183         components have length one.
1184         (resolve_symbol): Likewise for variables.
1185
1186 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1187
1188         PR fortran/84065
1189         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1190         lengths.
1191
1192 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1193             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1194             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1195
1196         Partial support for Fortran 2018 teams features.
1197
1198         * array.c (gfc_match_array_ref): add team attribute in coarray
1199         transfers.
1200         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1201         functions for get_team and team_number.
1202         * dump-parse-tree.c (show_code_node): add new statements: form team,
1203         change team, end team, and sync team.
1204         * expr.c (gfc_find_team_co): add new function.
1205         * gfortran.h: add new statements.
1206         * intrinsic.c (add_functions): add get_team and team_number functions.
1207         * intrinsic.h: add get_team and team_number prototypes for check,
1208         simplify, and resolve.
1209         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1210         functions.
1211         * iso-fortran-env.def: add the team_type derived type.
1212         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1213         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1214         add change team, end team, form team, sync team match and functions.
1215         * match.h: add new prototypes for change team, end team, form team,
1216         and sync team.
1217         * parse.c (decode_statement): add cases for change team, end team,
1218         form team, and sync team.
1219         * resolve.c: add cases for exec form team, change team, end team, and
1220         sync team.
1221         * simplify.c (gfc_simplify_get_team): add new function for get team.
1222         * st.c (gfc_free_statement): add cases exec for change team, end team,
1223         form team, sync team.
1224         * trans-decl.c (gfor_fndecl_caf_form_team)
1225         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1226         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1227         (gfor_fndecl_caf_team_number): add functions and definitions.
1228         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1229         new function and team_type argument support.
1230         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1231         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1232         * trans-stmt.h: add new prototypes.
1233         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1234         * trans.c (trans_code): new exec cases for form team, change team, end
1235         team, and sync team.
1236         * trans.h: add new prototypes.
1237
1238 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1239
1240         PR fortran/83998
1241         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1242         or .false.  The summation does the correct type conversion.
1243         (gfc_simplify_dot_product): Special case zero-sized arrays.
1244
1245 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1246
1247         PR fortran/37577
1248         * array.c (gfc_match_array_ref): If standard earlier than F2008
1249         it is an error if the reference dimension is greater than 7.
1250         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1251         dtype masks and shifts accordingly.
1252         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1253         type node to check the field.
1254         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1255         (duplicate_allocatable_coarray): Access the rank field of the
1256         dtype descriptor rather than the dtype itself.
1257         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1258         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1259         (ie. a character).
1260         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1261         get_scalar_to_descriptor_type if the actual expression is a
1262         constant.
1263         (gfc_trans_structure_assign): Assign the rank directly to the
1264         dtype rank field.
1265         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1266         to default integer kind.
1267         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1268         'elem_len' field of the dtype.
1269         * trans-io.c (gfc_build_io_library_fndecls): Replace
1270         gfc_int4_type_node with dtype_type_node where necessary.
1271         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1272         scalars.
1273         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1274         dtype_type_node and, if necessary, build it.
1275         The maximum size of an array element is now determined by the
1276         maximum value of size_t.
1277         Update the description of the array descriptor, including the
1278         type def for the dtype_type.
1279         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1280         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1281         (gfc_get_array_descriptor_base): Change the type of the dtype
1282         field to dtype_type_node.
1283         (gfc_get_array_descr_info): Get the offset to the rank field of
1284         the dtype.
1285         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1286         * trans.h : Define the indices of the dtype fields.
1287
1288 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1289
1290         PR fortran/83866
1291         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1292         and emit error about garbage after declaration.
1293
1294 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1295
1296         PR fortran/83898
1297         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1298         for characters.
1299
1300 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1301
1302         PR 78534
1303         PR 83704
1304         * arith.c (gfc_arith_concat): Use size_t for string length.
1305         (gfc_compare_string): Likewise.
1306         (gfc_compare_with_Cstring): Likewise.
1307         * array.c (gfc_resolve_character_array_constructor): Use
1308         HOST_WIDE_INT, gfc_mpz_get_hwi.
1309         * check.c (gfc_check_fe_runtime_error): Use size_t.
1310         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1311         gfc_extract_hwi.
1312         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1313         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1314         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1315         gfc_extract_hwi.
1316         (gfc_apply_init): Likewise.
1317         * match.h (gfc_set_constant_character_len): Update prototype.
1318         * primary.c (match_string_constant): Use size_t.
1319         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1320         gfc_mpz_get_hwi.
1321         * simplify.c (init_result_expr): Likewise.
1322         (gfc_simplify_len_trim): Use size_t.
1323         * target-memory.c (gfc_encode_character): Use size_t.
1324         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1325         (interpret_array): Use size_t.
1326         (gfc_interpret_character): Likewise.
1327         * target-memory.h (gfc_encode_character): Update prototype.
1328         (gfc_interpret_character): Likewise.
1329         (gfc_target_interpret_expr): Likewise.
1330         * trans-const.c (gfc_build_string_const): Use size_t for length
1331         argument.
1332         (gfc_build_wide_string_const): Likewise.
1333         * trans-const.h (gfc_build_string_const): Likewise.
1334         (gfc_build_wide_string_const): Likewise.
1335
1336 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1337
1338         PR fortran/83900
1339     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1340
1341 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1342
1343         PR fortran/83900
1344         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1345
1346 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1347
1348         PR fortran/83864
1349         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1350
1351 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1352
1353         PR fortran/83874
1354         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1355
1356 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1357
1358         PR fortran/82257
1359         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1360         from symbol marked unlimited polymorphic.
1361         * resolve.c (resolve_structure_cons): Likewise.
1362         * misc.c (gfc_typename): Don't dereference derived->components
1363         if it's NULL.
1364
1365 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1366
1367         PR fortran/54613
1368         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1369         (gfc_logical_4_kind): New macro
1370         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1371         (gfc_simplify_maxloc): Likewise.
1372         (gfc_resolve_maxloc): Likewise.
1373         (gfc_resolve_minloc): Likewise.
1374         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1375         argument; also raise error if it is used (for now). Add it
1376         if it isn't present.
1377         * intrinsic.c (add_sym_4ml): Rename to
1378         (add_sym_5ml), adjust for extra argument.
1379         (add_functions): Add "back" constant. Adjust maxloc and minloc
1380         for back argument.
1381         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1382         not of gfc_logical_4_kind, convert.
1383         (gfc_resolve_minloc): Likewise.
1384         * simplify.c (gfc_simplify_minloc): Add back argument.
1385         (gfc_simplify_maxloc): Likewise.
1386         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1387         argument to %VAL to ensure passing by value.
1388         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1389         also for library calls.
1390
1391 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1392
1393         PR fortran/82007
1394         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1395         format specifiers in format strings. Set formatted to true if a
1396         format string or format label is present.
1397         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1398         whitespace.
1399
1400 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1401
1402         PR fortran/83744
1403         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1404         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1405         and BT_CHARACTER.
1406         (write_decl): Add where argument. Fix indentation. Replace
1407         assert with error message. Add typename to warning
1408         in comment.
1409         (write_type): Adjust locus to call of write_decl.
1410         (write_variable): Likewise.
1411         (write_proc): Likewise. Replace assert with error message.
1412
1413 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1414
1415         PR fortran/52162
1416         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1417         the rhs expression is neither an elemental nor a conversion
1418         function.
1419
1420         PR fortran/83622
1421         * trans-array.c (is_pointer_array): Remove unconditional return
1422         of false for -fopenmp.
1423
1424 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1425         <emsr@gcc.gnu.org>
1426
1427         PR fortran/83803
1428         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1429         for functions.
1430
1431 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1432
1433         PR fortran/82367
1434         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1435
1436 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1437
1438         PR fortran/83093
1439         * resolve.c (resolve_charlen): Check the type of cl->length
1440         after resolution.
1441
1442 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1443
1444         PR fortran/83740
1445         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1446
1447 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1448
1449         PR fortran/83740
1450         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1451         LHS type when assigning.
1452
1453 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1454
1455         PR fortran/83742
1456         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1457
1458 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1459
1460         * match.c (gfc_match_allocate): Check for NULL pointer.
1461
1462 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1463
1464         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1465
1466 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1467
1468         PR fortran/83611
1469         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1470         an initializer, convert the kind parameters and add to the
1471         component if the instance.
1472         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1473         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1474         for parameterized arrays. Clean up typos in comments. Convert
1475         parameterized array initializers and copy into the array.
1476         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1477         parameterized types.
1478         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1479         as necessary, when they are PDT function results for example.
1480
1481         PR fortran/83731
1482         * trans-array.c (structure_alloc_comps): Only compare len parms
1483         when they are declared explicitly.
1484
1485 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1486
1487         PR fortran/50892
1488         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1489         lhs type.
1490
1491 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1492
1493         PR fortran/78534
1494         PR fortran/66310
1495         * array.c (got_charlen): Use gfc_charlen_int_kind.
1496         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1497         hardcoded kind.
1498         (find_intrinsic_vtab): Likewise.
1499         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1500         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1501         (gfc_match_implicit): Use gfc_charlen_int_kind.
1502         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1503         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1504         * expr.c (gfc_get_character_expr): Length parameter of type
1505         gfc_charlen_t.
1506         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1507         (gfc_extract_hwi): New function.
1508         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1509         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1510         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1511         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1512         (gfc_mpz_set_hwi): Likewise.
1513         (gfc_charlen_t): New typedef.
1514         (gfc_expr): Use gfc_charlen_t for character lengths.
1515         (gfc_size_kind): New extern variable.
1516         (gfc_extract_hwi): New prototype.
1517         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1518         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1519         * gfortran.texi: Update description of hidden string length argument.
1520         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1521         (gfc_resolve_char_achar): Likewise.
1522         (gfc_resolve_repeat): Pass string length directly without
1523         temporary, use gfc_charlen_int_kind.
1524         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1525         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1526         * misc.c (gfc_mpz_get_hwi): New function.
1527         (gfc_mpz_set_hwi): New function.
1528         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1529         (parse_integer): Don't complain about large integers.
1530         (write_atom): Use HOST_WIDE_INT for integers.
1531         (mio_integer): Handle integer type mismatch.
1532         (mio_hwi): New function.
1533         (mio_intrinsic_op): Use HOST_WIDE_INT.
1534         (mio_array_ref): Likewise.
1535         (mio_expr): Likewise.
1536         * primary.c (match_substring): Use gfc_charlen_int_kind.
1537         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1538         (resolve_character_operator): Likewise.
1539         (resolve_assoc_var): Likewise.
1540         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1541         (resolve_charlen): Use mpz_sgn to determine sign.
1542         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1543         instead of long.
1544         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1545         * target-memory.c (size_character): Length argument of type
1546         gfc_charlen_t.
1547         (gfc_encode_character): Likewise.
1548         (gfc_interpret_character): Use gfc_charlen_t.
1549         * target-memory.h (gfc_encode_character): Modify prototype.
1550         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1551         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1552         (trans_array_constructor): Use existing type.
1553         (get_array_charlen): Likewise.
1554         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1555         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1556         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1557         (add_argument_checking): Likewise.
1558         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1559         gfc_charlen_type_node.
1560         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1561         4, fold_convert to correct type.
1562         (gfc_conv_class_to_class): Build const of type size_type_node for
1563         size.
1564         (gfc_copy_class_to_class): Likewise.
1565         (gfc_conv_string_length): Use same type in expression.
1566         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1567         (gfc_conv_string_tmp): Make sure len is of the right type.
1568         (gfc_conv_concat_op): Use same type in expression.
1569         (gfc_conv_procedure_call): Likewise.
1570         (fill_with_spaces): Comment out memset() block due to spurious
1571         -Wstringop-overflow warnings.
1572         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1573         (alloc_scalar_allocatable_for_subcomponent_assignment):
1574         fold_convert to right type.
1575         (gfc_trans_subcomponent_assign): Likewise.
1576         (trans_class_vptr_len_assignment): Build const of correct type.
1577         (gfc_trans_pointer_assignment): Likewise.
1578         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1579         type in expr.
1580         (trans_class_assignment): Build const of correct type.
1581         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1582         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1583         * trans-io.c (gfc_build_io_library_fndecls): Use
1584         gfc_charlen_type_node for character lengths.
1585         (set_string): Convert to right type in assignment.
1586         * trans-stmt.c (gfc_trans_label_assign): Build const of
1587         gfc_charlen_type_node.
1588         (trans_associate_var): Likewise.
1589         (gfc_trans_character_select): Likewise.
1590         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1591         (gfc_trans_deallocate): Don't typecast strlen result.
1592         * trans-types.c (gfc_size_kind): New variable.
1593         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1594         from size_type_node.
1595         * trans-types.h: Fix comment.
1596
1597 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1598
1599         PR fortran/83683
1600         PR fortran/45689
1601         * check.c (gfc_check_eoshift): Check for string length and
1602         for conformance of boundary.
1603         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1604         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1605         * simplify.c (gfc_simplify_eoshift): New function.
1606
1607 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1608             Alan Hayward  <alan.hayward@arm.com>
1609             David Sherwood  <david.sherwood@arm.com>
1610
1611         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1612
1613 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1614             Alan Hayward  <alan.hayward@arm.com>
1615             David Sherwood  <david.sherwood@arm.com>
1616
1617         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1618
1619 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1620
1621         PR fortran/83664
1622         * check.c (gfc_check_eoshift): Error for missing boundary if array
1623         is not one of the standard types.
1624
1625 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1626
1627         Update copyright years.
1628
1629         * gfortranspec.c (lang_specific_driver): Update copyright notice
1630         dates.
1631         * gfc-internals.texi: Bump @copying's copyright year.
1632         * gfortran.texi: Ditto.
1633         * intrinsic.texi: Ditto.
1634         * invoke.texi: Ditto.
1635
1636 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1637
1638         PR fortran/45689
1639         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1640         gfc_simplify_minloc to maxloc and minloc, respectively.
1641         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1642         and gfc_simplify_maxloc.
1643         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1644         to have a return value which indicates if the extremum was found.
1645         (is_constant_array_expr): Fix typo in comment.
1646         (simplify_minmaxloc_to_scalar): New function.
1647         (simplify_minmaxloc_nodim): New function.
1648         (new_array): New function.
1649         (simplify_minmaxloc_to_array): New function.
1650         (gfc_simplify_minmaxloc): New function.
1651         (simplify_minloc): New function.
1652         (simplify_maxloc): New function.
1653
1654 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1655
1656         PR fortran/45689
1657         PR fortran/83650
1658         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1659         range of arguments.
1660
1661 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1662
1663         PR fortran/83076
1664         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1665         allocatable and pointer scalars, when -fcoarray selected.
1666         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1667         field as well as the backend_decl.
1668         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1669         derived types that are not vtypes. Components with caf_token
1670         attribute are pvoid types. For a component requiring it, find
1671         the caf_token field and have the component token field point to
1672         its backend_decl.
1673
1674         PR fortran/83319
1675         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1676         field to the descriptor even when codimen not set.
1677 \f
1678 Copyright (C) 2018 Free Software Foundation, Inc.
1679
1680 Copying and distribution of this file, with or without modification,
1681 are permitted in any medium without royalty provided the copyright
1682 notice and this notice are preserved.