gcc/fortran/ChangeLog

   1 2018-08-14  Janus Weil  <janus@gcc.gnu.org>
   2
   3         PR fortran/86116
   4         * interface.c (compare_type): Remove a CLASS/TYPE check.
   5         (compare_type_characteristics): New function that behaves like the old
   6         'compare_type'.
   7         (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
   8         Call 'compare_type_characteristics' instead of 'compare_type'.
   9
  10 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  11
  12         PR fortran/66679
  13         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
  14         elements are returned as references to the data element. Get
  15         the class expression by stripping back the references. Use this
  16         for the element size.
  17
  18 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  19
  20         PR fortran/86906
  21         * resolve.c (resolve_fl_variable_derived): Check if the derived
  22         type is use associated before checking for the host association
  23         error.
  24
  25 2018-08-10  Janus Weil  <janus@gcc.gnu.org>
  26
  27         PR fortran/57160
  28         * invoke.texi (frontend-optimize): Mention short-circuiting.
  29         * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
  30         * resolve.c (resolve_operator): Warn about short-circuiting only with
  31         -ffrontend-optimize.
  32         * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
  33         with -ffrontend-optimize. Without that flag, make sure that both
  34         operands are evaluated.
  35
  36 2018-08-08  Nathan Sidwell  <nathan@acm.org>
  37
  38         * cpp.c (cb_file_change): Use linemap_included_from.
  39
  40 2018-08-07  Cesar Philippidis  <cesar@codesourcery.com>
  41
  42         * trans-stmt.h: Remove stale reference to trans-openacc.c.
  43
  44 2018-08-04  Janus Weil  <janus@gcc.gnu.org>
  45
  46         PR fortran/45521
  47         * interface.c (gfc_compare_interfaces): Apply additional
  48         distinguishability criteria of F08 to operator interfaces.
  49
  50 2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>
  51
  52         Revert 'AsyncI/O patch committed'
  53         2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  54                 Thomas Koenig <tkoenig@gcc.gnu.org>
  55
  56         PR fortran/25829
  57         * gfortran.texi: Add description of asynchronous I/O.
  58         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  59         as volatile.
  60         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  61         st_wait_async and change argument spec from ".X" to ".w".
  62         (gfc_trans_wait): Pass ID argument via reference.
  63
  64 2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  65         Thomas Koenig <tkoenig@gcc.gnu.org>
  66
  67         PR fortran/25829
  68         * gfortran.texi: Add description of asynchronous I/O.
  69         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  70         as volatile.
  71         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  72         st_wait_async and change argument spec from ".X" to ".w".
  73         (gfc_trans_wait): Pass ID argument via reference.
  74
  75 2018-07-20  Martin Sebor  <msebor@redhat.com>
  76
  77         PR middle-end/82063
  78         * gfortran.h (gfc_handle_option): Change function argument
  79         to HOST_WIDE_INT.
  80         * options.c (gfc_handle_option): Same.
  81
  82 2018-07-20  Andrew Benson  <abenson@carnegiescience.edu>
  83
  84         * gfortran.h (gfc_symbol): Add pointer to next derived type.
  85         (gfc_dt_list, gfc_get_dt_list): Remove.
  86         (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
  87         * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
  88         simple nullification of gfc_derived_types.
  89         * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
  90         gfc_symbol.
  91         (add_dt_to_dt_list): Change derived type linked list insertion to
  92         utilize dt_next pointers in gfc_symbol.
  93         * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
  94         (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
  95         gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
  96         linked list search/insertion to utilize dt_next pointers in gfc_symbol.
  97         * trans-types.c (gfc_get_derived_type): Change derived type linked
  98         list search to utilize dt_next pointers in gfc_symbol.
  99
 100 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 101
 102         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
 103         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
 104
 105 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
 106             Thomas Koenig  <tkoenig@gcc.gnu.org>
 107
 108         PR fortran/85599
 109         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
 110         * frontend-passes.c (do_warn_function_elimination): Do not warn for
 111         pure functions.
 112         * gfortran.h: Add prototypes for gfc_pure_function and
 113         gfc_implicit_pure_function.
 114         * gfortran.texi: Add chapter on evaluation of logical expressions.
 115         * invoke.texi: Mention that -Wfunction-elimination is implied
 116         by -Wextra.
 117         * lang.opt: Make -Wextra imply -Wfunction-elimination.
 118         * resolve.c (pure_function): Rename to gfc_pure_function.
 119         (gfc_implicit_pure_function): New function.
 120         (check_pure_function): Use it here.
 121         (impure_function_callback): New function.
 122         (resolve_operator): Call it via gfc_expr_walker.
 123
 124 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 125
 126         PR fortran/83184
 127         * decl.c (match_old_style_init): Initialize locus of variable expr when
 128         creating a data variable.
 129         (match_clist_expr): Verify array is explicit shape/size before
 130         attempting to allocate constant array constructor.
 131
 132 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 133
 134         PR fortran/86417
 135         * module.c (mio_component): Set component->loc when loading from module.
 136
 137 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 138
 139         PR fortran/86421
 140         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
 141         _UVAL suffixes.
 142         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
 143         on linear clauses.  Initialize n->where to gfc_current_locus.
 144
 145 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
 146
 147         PR fortran/86408
 148         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
 149         in F2008 and not F2003.
 150         (resolve_function): Ditto in error message. Also, exclude
 151         deferred character length results from the error.
 152
 153 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
 154
 155         PR fortran/83183
 156         PR fortran/86325
 157         * expr.c (class_allocatable, class_pointer, comp_allocatable,
 158         comp_pointer): New helpers.
 159         (component_initializer): Generate EXPR_NULL for allocatable or pointer
 160         components. Do not generate initializers for components within BT_CLASS.
 161         Do not assign to comp->initializer.
 162         (gfc_generate_initializer): Use new helpers; move code to generate
 163         EXPR_NULL for class allocatable components into component_initializer().
 164
 165 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 166
 167         PR fortran/82009
 168         * trans-decl.c (gfc_process_block_locals): Delete assert and set
 169         saved_local_decls = NULL_TREE.
 170
 171 2018-07-02  Richard Biener  <rguenther@suse.de>
 172
 173         PR lto/86321
 174         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
 175         for the distinct type copy.
 176
 177 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 178
 179         PR fortran/82969
 180         PR fortran/86242
 181         * trans-array.c (structure_alloc_comps): Do not explicitly copy
 182         procedure pointer components.
 183
 184 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 185
 186         PR fortran/45305
 187         * expr.c : Add a prototype for scalarize_intrinsic_call.
 188         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
 189         intrinsic function calls.
 190         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
 191         the expression or any of the actual argument expressions are
 192         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
 193         Only simplify the scalarized expressions if there are no errors
 194         on the stack.
 195         (gfc_check_init_expr): Set 'init_flag' true in the call to
 196         scalarize_intrinsic_call.
 197
 198 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 199
 200         PR fortran/82865
 201         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 202
 203 2018-06-28  Martin Liska  <mliska@suse.cz>
 204
 205         * gfortranspec.c: Include opt-suggestions.h.
 206
 207 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 208
 209         PR fortran/82972
 210         PR fortran/83088
 211         PR fortran/85851
 212         * expr.c (component_initializer): Assign init expr to c->initializer.
 213         (generate_isocbinding_initializer): New.
 214         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 215         generate initializers for c_ptr and c_funptr with -finit-derived.
 216
 217 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 218
 219         PR fortran/85983
 220         * interface.c (check_dtio_interface1): Delete assert.
 221
 222 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 223             Rainer Orth  <ro@gcc.gnu.org>
 224
 225         PR fortran/86281
 226         * resolve.c (resolve_contained_fntype): Check for the charlen
 227         before testing the length.
 228
 229 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 230
 231         PR fortran/49630
 232         * resolve.c (resolve_contained_fntype): Change standard ref.
 233         from F95 to F2003: C418. Correct a spelling error in a comment.
 234         It is an error for an abstract interface to have an assumed
 235         character length result.
 236         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 237         standard reference.
 238
 239 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 240
 241         PR fortran/83118
 242         * resolve.c (resolve_ordinary_assign): Force the creation of a
 243         vtable for assignment of non-polymorphic expressions to an
 244         unlimited polymorphic object.
 245         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 246         size of the rhs type for such assignments. Set the dtype, _len
 247         and vptrs appropriately.
 248         * trans-expr.c (gfc_trans_assignment): Force the use of the
 249         _copy function for these assignments.
 250
 251 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 252             Thomas Schwinge <thomas@codesourcery.com>
 253             Cesar Philippidis  <cesar@codesourcery.com>
 254
 255         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 256         bitfields.
 257         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 258         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 259         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 260         create, deviceptr, present_of_*. Add support for finalize and
 261         if_present.
 262         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 263         (OACC_KERNELS_CLAUSES): Likewise.
 264         (OACC_DATA_CLAUSES): Likewise.
 265         (OACC_DECLARE_CLAUSES): Likewise.
 266         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 267         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 268         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 269         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 270         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 271         and FINALIZE.
 272
 273 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 274
 275         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 276
 277 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 278
 279         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 280         (nonlocal_dummy_decls): Likewise.
 281         (gfc_nonlocal_dummy_array_decl): Likewise.
 282         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 283         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 284         reusing the result of a recursive call.
 285         (gfc_generate_function_code): Do not create, insert and destroy
 286         nonlocal_dummy_decls.
 287
 288 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 289
 290         PR fortran/86110
 291         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 292         pointer dereference.
 293
 294 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 295
 296         PR fortran/85703
 297         * parse.c (decode_oacc_directive): Set gfc_matching_function
 298         to false.
 299         (decode_omp_directive): Likewise.
 300
 301 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 302
 303         PR fortran/85702
 304         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 305
 306 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 307
 308         PR other/69968
 309         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 310         levenshtein_distance to get_edit_distance.
 311
 312 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 313
 314         PR fortran/44491
 315         * expr.c (gfc_check_assign): Select non-NULL locus.
 316
 317 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 318
 319         PR fortran/45521
 320         * interface.c (compare_ptr_alloc): New function.
 321         (generic_correspondence): Call it.
 322
 323 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 324
 325         * gfortran.h (gfc_expr): Add no_bounds_check field.
 326         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 327         on function and function argument.
 328         (inline_matmul_assign): Set no_bounds_check on zero expression
 329         and on lhs of zero expression.
 330         Also handle A1B2 case if realloc on assigment is active.
 331         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 332         if expr has no_bounds_check set.
 333         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 334         has it set.
 335         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 336         on lss and lss if the corresponding expressions have it set.
 337
 338 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 339
 340         PR fortran/79854
 341         * trans-const.c: Remove include "diagnostic-core.h".
 342         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 343
 344 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 345
 346         PR fortran/85088
 347         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 348         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 349         and remove a TODO note.
 350         * gfortran.h: Add a comment to sym_intent.
 351
 352 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 353
 354         PR fortran/38351
 355         * resolve.c (resolve_operator): Provide better error message for
 356         derived type entity used in an binary intrinsic numeric operator.
 357
 358 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 359
 360         PR fortran/85138
 361         PR fortran/85996
 362         PR fortran/86051
 363         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 364         reduce a charlen to a constant.
 365
 366 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 367
 368         PR fortran/78278
 369         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 370         an error for double initialization of CHARACTER entities.
 371
 372 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 373
 374         PR fortran/63514
 375         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 376
 377 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 378
 379         PR fortran/85631
 380         * trans.h (gfc_ss): Add field no_bounds_check.
 381         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 382         ss->no_bounds_check is set, do not use runtime checks.
 383         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 384         for reallocatable lhs.
 385
 386 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 387
 388         PR fortran/86059
 389         * array.c (match_array_cons_element): NULL() cannot be in an
 390         array constructor.
 391
 392 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 393
 394         PR fortran/78571
 395         * data.c (create_character_initializer): Return early if type is
 396         incompatible with CHARACTER.
 397
 398 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 399
 400         PR fortran/86045
 401         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 402         'P' is zero and issue an error if it is.
 403
 404 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 405
 406         PR fortran/85641
 407         * frontend-passes.c (is_fe_temp): Add prototype.
 408         (realloc_string_callback): Early return for frontend-generated
 409         temporary.
 410
 411 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 412
 413         PR fortran/85701
 414
 415         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 416         subroutine data clause arguments.
 417
 418 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 419
 420         PR fortran/85981
 421         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 422         character kind.
 423
 424 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 425
 426         PR fortran/36497
 427         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 428
 429 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 430
 431         PR fortran/63570
 432         * check.c (gfc_check_random_init): New function. Check arguments of
 433         RANDOM_INIT.
 434         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 435         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 436         subroutines.
 437         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 438         * intrinsic.h: Add prototypes for gfc_check_random_init and
 439         gfc_resolve_random_init
 440         * intrinsic.texi: Document new intrinsic subprogram.
 441         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 442         * trans-decl.c: Declare gfor_fndecl_random_init
 443         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 444         Translate call to RANDOM_INIT.
 445         (gfc_conv_intrinsic_subroutine): Call it.
 446         * trans.h: Declare gfor_fndecl_random_init
 447
 448 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 449
 450         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 451         initialization in a data statement.
 452
 453 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 454
 455         PR fortran/85839
 456         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 457         an obsolescent feature in Fortran 2018.
 458         (gfc_match_equivalence): Ditto.
 459         * resolve.c (resolve_common_blocks): Ditto.
 460         (gfc_resolve_forall): Ditto.
 461         * symbol.c (gfc_define_st_label): Ditto.
 462
 463 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 464
 465         PR fortran/85543
 466         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 467         pointer dereference.
 468
 469 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 470
 471         PR fortran/85780
 472         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 473
 474 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 475
 476         PR fortran/85779
 477         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 478
 479 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 480
 481         PR fortran/85895
 482         * resolve.c (resolve_sync): Resolve expression before checking for
 483         an error.
 484
 485 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 486
 487         PR fortran/85841
 488         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 489         GFC_STD_OPT_F08TS.
 490         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 491         * options.c (set_default_std_flags): Ditto.
 492         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 493         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 494         GFC_STD_F2018.
 495         * check.c (gfc_check_atomic, gfc_check_event_query,
 496         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 497         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 498         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 499         * intrinsic.c (add_functions, add_subroutines,
 500         gfc_check_intrinsic_standard): Ditto.
 501         * iso-c-binding.def: Ditto.
 502         * iso-fortran-env.def: Ditto.
 503         * match.c (gfc_match_event_post, gfc_match_event_wait,
 504         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 505         gfc_match_end_team, gfc_match_sync_team): Ditto.
 506         * gfortran.texi: Remove mention of -std=f2008ts.
 507         Move TSs into F2018 section.
 508         * invoke.texi: Update documentation of -std=f2008ts.
 509
 510 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 511
 512         PR fortran/85841
 513         * libgfortran.h: New macros GFC_STD_OPT_*.
 514         * error.c (notify_std_msg): New function.
 515         (gfc_notify_std): Adjust such that it can handle combinations of
 516         GFC_STD_* flags in the 'std' argument, not just a single one.
 517         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 518         in Fortran 2018.
 519         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 520         * options.c (set_default_std_flags): Warn for F2018 deleted features
 521         by default.
 522         (gfc_handle_option): F2018 deleted features are allowed in earlier
 523         standards.
 524         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 525         nonblock do constructs in Fortran 2018.
 526
 527 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 528
 529         PR fortran/80657
 530         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 531         test for self refs to the function result in the character len
 532         expression. If a self reference is found, emit an error and
 533         return true.
 534         (resolve_fntype): Use the function symbol in the calls to the
 535         above.
 536
 537 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 538
 539         PR fortran/49636
 540         * trans-array.c (gfc_get_array_span): Renamed from
 541         'get_array_span'.
 542         (gfc_conv_expr_descriptor): Change references to above.
 543         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 544         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 545         blocks for 'arg1'.
 546         * trans-stmt.c (trans_associate_var): If the associate name is
 547         a subref array pointer, use gfc_get_array_span for the span.
 548
 549 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 550
 551         PR fortran/82275
 552         * match.c (gfc_match_type_spec): Go through the array ref and
 553         decrement 'rank' for every dimension that is an element.
 554
 555 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 556
 557         PR fortran/82923
 558         PR fortran/66694
 559         PR fortran/82617
 560         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 561         charlen backend_decl of the rhs expr to ss->info->string_length
 562         so that the value in the current scope is used.
 563
 564 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 565
 566         PR fortran/63529
 567         * gfortran.texi: Clarify documentation for Cray pointer and
 568         assumed-sized array.
 569
 570 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 571
 572         PR fortran/85742
 573         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 574         of 'size'. If the element type is a pointer use the size of the
 575         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 576         case, set the size to zero.
 577
 578 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 579
 580         * gfortran.h: Remove prototype.
 581         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 582
 583 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 584
 585         PR fortran/85542
 586         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 587
 588 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 589
 590         PR fortran/85687
 591         * check.c (gfc_check_rank): Check that the argument is a data object.
 592
 593 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 594
 595         PR fortran/85521
 596         * array.c (gfc_resolve_character_array_constructor): Substrings
 597         with upper bound smaller than lower bound are zero length strings.
 598
 599 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 600
 601         PR fortran/70870
 602         * data.c (gfc_assign_data_value): Check that a data object does
 603         not also have default initialization.
 604
 605 2018-05-10  Marek Polacek  <polacek@redhat.com>
 606
 607         PR fortran/85735
 608         * options.c (gfc_post_options): Set main_input_filename.
 609
 610 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 611
 612         PR fortran/54613
 613         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 614
 615 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 616
 617         PR fortran/68846
 618         PR fortran/70864
 619         * resolve.c (get_temp_from_expr): The temporary must not have
 620         dummy or intent attributes.
 621
 622 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 623
 624         PR fortran/54613
 625         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 626         implemented.  Use gfc_logical_4_kind for BACK.
 627         * simplify.c (min_max_choose): Add optional argument back_val.
 628         Handle it.
 629         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 630         back_val to min_max_choose.
 631         (simplify_minmaxloc_to_nodim): Likewise.
 632         (simplify_minmaxloc_to_array): Likewise.
 633         (gfc_simplify_minmaxloc): Add argument back, handle it.
 634         Pass back_val to specific simplification functions.
 635         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 636         pass it on to gfc_simplify_minmaxloc.
 637         (gfc_simplify_maxloc): Likewise.
 638         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 639         comment. If BACK is true, use greater or equal (or lesser or
 640         equal) insteal of greater (or lesser). Mark the condition of
 641         having found a value which exceeds the limit as unlikely.
 642
 643 2018-05-07  Jeff Law  <law@redhat.comg>
 644
 645         * scanner.c (preprocessor_line): Call linemap_add after a line
 646         directive that changes the current filename.
 647
 648 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 649
 650         PR fortran/85507
 651         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 652         introduced by r259385.
 653         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 654         same variables in coarray assignments.
 655
 656 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 657
 658         PR libgomp/82428
 659         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 660
 661 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 662
 663         PR fortran/85520
 664         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 665
 666 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 667
 668         PR fortran/81773
 669         PR fortran/83606
 670         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 671         during dependency computation.  They define no data dependency.
 672         * trans-array.c (conv_array_index_offset): The stride can not be set
 673         here, prevent fail.
 674         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 675         for caf_get's result and copying to the array with vectorial
 676         indexing.
 677
 678 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 679
 680         PR fortran/85387
 681         * frontend-passes.c (traverse_io_block): Check for start, end or
 682         stride being defined by an outer implied DO loop.
 683
 684 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 685
 686         PR fortran/83064
 687         PR testsuite/85346
 688         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 689         for annotation and remove dependence on -ftree-parallelize-loops.
 690
 691 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 692
 693         PR fortran/85313
 694         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 695         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 696
 697 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 698
 699         PR fortran/83064
 700         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 701         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 702         is set.
 703
 704 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 705
 706         PR fortran/51260
 707         * resolve.c (resolve_variable): Simplify cases where access to a
 708         parameter array results in a single constant.
 709
 710 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 711
 712         PR fortran/85102
 713         * decl.c (variable_decl): If upper or lower bounds simplify
 714         to a constant, use that.
 715
 716 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 717
 718         PR fortran/84931
 719         * simplify.c (gfc_convert_constant): Handle case of array
 720         constructors within an array that has no iterator and improve
 721         the conciseness of this section of code.
 722
 723 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 724
 725         PR fortran/85111
 726         * array.c (gfc_resolve_character_array_constructor): Early
 727         exit for zero-size arrays.
 728         * simplify.c (simplify_transformation_to_array): Exit early
 729         if the result size is zero.
 730         (simplify_minmaxloc_to_array): Likewise.
 731
 732 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 733
 734         PR fortran/69497
 735         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 736         from the root.
 737         (gfc_free_namespace): Restore assert (revert r258839).
 738
 739 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 740
 741         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 742         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 743         (IOPARM_dt_dec_ext): ... this.
 744         * trans-io.c (build_dt): Adjust for default_exp renaming to
 745         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 746         * io.c (match_io): Likewise.
 747
 748 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 749
 750         PR fortran/85084
 751         * frontend-passes.c (gfc_run_passes): Do not run front-end
 752         optimizations if a previous error occurred.
 753
 754 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 755         Harald Anlauf  <anlauf@gmx.de>
 756
 757         PR fortran/85083
 758         * primary.c (gfc_convert_to_structure_constructor): Check
 759         conformance of argument types in structure constructor.
 760
 761 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 762
 763         PR fortran/66709
 764         * io.c: Include constructor.h.
 765         (resolve_tag_format): For a constant character array, concatenate
 766         into a single character expression.
 767
 768 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 769         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 770
 771         PR fortran/84924
 772         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 773         scalar derived type with -std=f2003 and -std=f2008.
 774
 775 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 776             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 777
 778         PR fortran/69497
 779         * symbol.c (gfc_free_namespace): Delete the assert and only if
 780         refs count is equals zero, free the namespace. Otherwise,
 781         something is halfway and other errors will resound.
 782
 783 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 784
 785         PR fortran/70068
 786         * expr.c (find_substring_ref): Change types of start, end
 787         and length variables to gfc_charlen_t. Set length to zero
 788         for empty substring.
 789
 790 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 791
 792         PR fortran/42651
 793         * decl.c (check_function_name): Improved error message
 794         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 795
 796 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 797
 798         PR fortran/84922
 799         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 800         body, then it must appear on the contained subroutine or function.
 801         While here, fix nearby mis-indented code.
 802
 803 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 804         Harald Anlauf  <anlauf@gmx.de>
 805
 806         PR fortran/84957
 807         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 808
 809 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 810
 811         PR fortran/84615
 812         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 813         gfc_charlen_type_node when calling procedure.
 814
 815 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 816
 817         PR fortran/85001
 818         * interface.c (symbol_rank): Remove bogus null pointer check that
 819         crept in when translating a ternary operator into an if-else
 820         constructor.
 821
 822 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 823
 824         PR fortran/84931
 825         * simplify.c (gfc_convert_constant): Correctly handle iterators
 826         for type conversion.
 827
 828 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 829
 830         PR fortran/77414
 831         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 832         the contain portion of a subroutine.  Change language of existing
 833         error message to better describe the issue. While here fix whitespace
 834         issues.
 835
 836 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 837
 838         PR fortran/65453
 839         * decl.c (get_proc_name): Catch clash between a procedure statement
 840         and a contained subprogram
 841
 842 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 843
 844         PR fortran/69395
 845         * decl.c (merge_array_spec): Correct the error condition.
 846
 847 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 848
 849         PR fortran/78741
 850         * decl.c (get_proc_name):  Check for clash of entry name with
 851         subroutine name.
 852
 853 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 854
 855         PR fortran/69395
 856         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 857         dimensions, and issue error message if limit is exceeded.
 858
 859 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 860
 861         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 862         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 863         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 864         * intrinsic.texi: Update documentation.
 865         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 866         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 867         gfor_fndecl_kill and gfor_fndecl_kill_sub
 868         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 869         functions.
 870         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 871         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 872         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 873
 874 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 875
 876         PR fortran/84546
 877         * trans-array.c (structure_alloc_comps): Make sure that the
 878         vptr is copied and that the unlimited polymorphic _len is used
 879         to compute the size to be allocated.
 880         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 881         unlimited polymorphic _len for the offset to the element.
 882         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 883         * trans.h : Add the boolean 'unlimited' to the prototype.
 884
 885 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 886
 887         PR fortran/83939
 888         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 889
 890 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 891
 892         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 893         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 894         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 895         keywords for KILL.  Remove redundant *back="back" in favor of the
 896         original *bck="back".
 897         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 898         for KILL.
 899         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 900         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 901         correct function.
 902         (gfc_resolve_rename_sub): Add comment.
 903
 904 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 905
 906         PR fortran/66128
 907         * simplify.c (simplify_transformation): Return default result for
 908         empty array argument.
 909         (gfc_simplify_all): Remove special-case handling for zerosize.
 910         (gfc_simplify_any): Likewise.
 911         (gfc_simplify_count): Likewise.
 912         (gfc_simplify_iall): Likewise.
 913         (gfc_simplify_iany): Likewise.
 914         (gfc_simplify_iparity): Likewise.
 915         (gfc_simplify_minval): Likewise.
 916         (gfc_simplify_maxval): Likewise.
 917         (gfc_simplify_norm2): Likewise.
 918         (gfc_simplify_product): Likewise.
 919         (gfc_simplify_sum): Likewise.
 920
 921 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 922
 923         PR fortran/84734
 924         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 925         the expression up the chain instead of a NULL pointer.
 926
 927 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 928
 929         PR fortran/64124
 930         PR fortran/70409
 931         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 932
 933 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 934
 935         PR fortran/84697
 936         PR fortran/66128
 937         * expr.c (simplify_parameter_variable): If p is a size zero array
 938         and not an ARRAY_EXPR insert an empty array constructor and
 939         return.
 940         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 941         * simplify.c (is_size_zero_array): Make non-static and rename into
 942         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 943         size by comparing shape and absence of constructor.
 944         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 945         is_size_zero_array.
 946         (gfc_simplify_count): Likewise.
 947         (gfc_simplify_iall): Likewise.
 948         (gfc_simplify_iany): Likewise.
 949         (gfc_simplify_iparity): Likewise.
 950         (gfc_simplify_minval): Likewise.
 951         (gfc_simplify_maxval): Likewise.
 952         (gfc_simplify_product): Likewise.
 953         (gfc_simplify_sum): Likewise.
 954
 955 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 956
 957         PR fortran/56667
 958         * primary.c (match_sym_complex_part): Give the matcher for an implied
 959         do-loop a chance to run.
 960
 961 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 962
 963         PR fortran/71085
 964         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 965         dereference NULL pointer.
 966
 967 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 968
 969         PR fortran/66128
 970         * simplify.c (is_size_zero_array): New function to check for size
 971         zero array.
 972         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 973          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 974          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 975          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 976         requirements from F2018.
 977
 978 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 979
 980         PR fortran/51434
 981         * simplify.c (gfc_simplify_transfer): Resolve mold.
 982
 983 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 984
 985         PR fortran/80965
 986         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 987         '_loc'.
 988
 989 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 990
 991         PR fortran/84219
 992         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 993         components are caf tokens.
 994         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 995         integers.
 996
 997 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 998
 999         PR fortran/84538
1000         * class.c (class_array_ref_detected): Remove the condition that
1001         there be no reference after the array reference.
1002         (find_intrinsic_vtab): Remove excess whitespace.
1003         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1004         as 'base and call build_class_array_ref earlier.
1005
1006 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
1007
1008         PR fortran/83901
1009         * trans-stmt.c (trans_associate_var): Make sure that the se
1010         expression is a pointer type before converting it to the symbol
1011         backend_decl type.
1012
1013 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
1014
1015         PR fortran/83633
1016         * decl.c (variable_decl): Check that an explicit-shape-array with
1017         nonconstant bounds is allowed.
1018
1019 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
1020
1021         PR fortran/84523
1022         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1023         has a pre block, add it to the expression pre block.
1024
1025 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
1026
1027         PR fortran/78238
1028         * gfortran.h (gfc_integer_4_kind): Define.
1029         * resolve.c (resolve_select_type): Make sure that the
1030         kind of c->high is gfc_integer_4_kind.
1031
1032 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
1033
1034         PR fortran/30792
1035         * decl.c (gfc_match_data): Check for invalid substring in
1036         data-implied-do
1037
1038 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1039
1040         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1041
1042 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1043
1044         PR fortran/84511
1045         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1046
1047 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1048
1049         PR fortran/84346
1050         * interface.c (compare_actual_formal): Issue error if keyword is
1051         used in a statement function.
1052
1053 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1054
1055         PR fortran/84506
1056         * trans-io.c (set_parameter_value_inquire): Adjust range check of
1057         negative unit values for kind=8 units to the kind=4 negative limit.
1058
1059 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1060
1061         PR fortran/83149
1062         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1063         accessing its components.
1064
1065 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1066
1067         PR fortran/83149
1068         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1069         before accessing its components.
1070
1071 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1072
1073         PR fortran/83148
1074         * trans-const.c : Clean up some whitespace issues.
1075         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1076         derived type has a kind value of zero, set it to the default
1077         integer kind.
1078
1079 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
1080
1081         PR fortran/84519
1082         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1083         argument to stop and error stop decls.
1084         * trans-stmt.c (gfc_trans_stop): Add false value to argument
1085         lists.
1086
1087 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1088
1089         PR 78534
1090         PR 84509
1091         * trans-decl.c (gfc_build_builtin_function_decls): Pass
1092         gfc_int8_type node to pause_numeric, size_type_node to
1093         pause_string.
1094         * trans-stmt.c (gfc_trans_pause): Likewise.
1095
1096 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1097
1098         * gfortran.texi: Update Coarray API description.
1099         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1100         character lengths, int for exit codes.
1101         (generate_coarray_sym_init): Use size_t for character length.
1102         * trans-intrinsic.c (conv_co_collective): Likewise.
1103         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1104         (gfc_trans_event_post_wait): Likewise.
1105         (gfc_trans_sync): Likewise.
1106         (gfc_trans_stop): Use size_t for character lengths, int for exit
1107         codes.
1108
1109 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1110
1111         PR fortran/48890
1112         PR fortran/83823
1113         * primary.c (gfc_convert_to_structure_constructor):
1114         For a constant string constructor, make sure the length
1115         is correct.
1116
1117 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1118
1119         PR fortran/83344
1120         PR fortran/83975
1121         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1122         determination of the character length of associate names. If
1123         the associate name is missing a length expression or the length
1124         expression is not a constant and the target is not a variable,
1125         make the associate name allocatable and deferred length.
1126         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1127         backend_decl for deferred length associate names that are not
1128         variables. Set 'length' to gfc_index_zero_node for character
1129         associate names, whose character length is a PARM_DECL.
1130
1131 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1132
1133         PR fortran/35339
1134         * frontend-passes.c (traverse_io_block): Remove workaround for
1135         PR 80945.
1136
1137 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1138
1139         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1140         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1141         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1142         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1143         data referenced when generating a call to caf_get_by_ref ().
1144         (conv_caf_send): Same but for caf_send_by_ref () and
1145         caf_sendget_by_ref ().
1146
1147 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1148
1149         PR fortran/84389
1150         * io.c (check_format): Allow FMT_COLON.
1151
1152 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1153
1154         PR fortran/80945
1155         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1156         the typenode in the case of deferred length characters.
1157
1158 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1159
1160         PR fortran/84270
1161         * frontend-passes (scalarized_expr):  If the expression
1162         is an assumed size array, leave in the last reference
1163         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1164         in order to avoid an error.
1165
1166 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1167
1168         PR fortran/84115
1169         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1170         has no string length expression, make the associate variable
1171         into a deferred length, allocatable symbol.
1172         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1173         the symbol.
1174         * trans-stmt.c (trans_associate_var): Null and free scalar
1175         associate names that are allocatable. After assignment, remove
1176         the allocatable attribute to prevent reallocation.
1177
1178 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1179
1180         PR fortran/84418
1181         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1182         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1183
1184 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1185
1186         PR fortran/84354
1187         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1188
1189 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1190
1191         PR fortran/84409
1192         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1193         length.
1194
1195 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1196
1197         PR fortran/84385
1198         * match.c (gfc_match_select_type): Fix check for selector in
1199         SELECT TYPE statement.
1200
1201 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1202
1203         PR fortran/84313
1204         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1205
1206 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1207             Janne Blomqvist  <jb@gcc.gnu.org>
1208
1209         * module.c (dump_module): Use lbasename to ensure that module
1210         files are reproducible.
1211
1212 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1213
1214         PR fortran/84273
1215         * resolve.c (resolve_component): Fix checks of passed argument in
1216         procedure-pointer components.
1217
1218 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1219
1220         PR fortran/35299
1221         * resolve.c (resolve_formal_arglist): Update error message.
1222
1223 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1224
1225         * gfortran.texi: Fix typos in documentation of caf_register ().
1226         * trans-array.c (structure_alloc_comps): Only register a component of
1227         a derived typed corray, not of an ultimate component coarray.
1228
1229 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1230
1231         PR fortran/54223
1232         PR fortran/84276
1233         * interface.c (compare_actual_formal): Add in_statement_function
1234         bool parameter.  Skip check of INTENT attribute for statement
1235         functions.  Arguments to a statement function cannot be optional,
1236         issue error for missing argument.
1237         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1238          in_statement_function.
1239
1240 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1241
1242         PR fortran/84074
1243         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1244         flag. If the is a vector subscript or the expression is not a
1245         variable, make the descriptor one-based.
1246
1247 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1248
1249         PR fortran/84141
1250         PR fortran/84155
1251         * trans-array.c (gfc_array_init_size): Revert the change made
1252         in revision 257356 setting the dtype.
1253         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1254         Call gfc_get_dtype_rank_type every time.
1255
1256         PR fortran/56691
1257         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1258         is a descriptor type, use its offset, removing the condition
1259         that is be a class expression.
1260
1261 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1262
1263         PR fortran/82994
1264         * match.c (gfc_match_deallocate): Check for NULL pointer.
1265
1266 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1267
1268         PR fortran/68560
1269         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1270         (gfc_conv_intrinsic_function): Call it.
1271
1272 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1273
1274         PR fortran/82049
1275         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1276         try to resolve it.  While here return early if possible.
1277
1278 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1279
1280         PR fortran/84115
1281         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1282         'length' if the symbol charlen backend_decl is an indirect ref.
1283
1284 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1285
1286         PR fortran/84141
1287         PR fortran/84155
1288         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1289         use gfc_get_dtype_rank_type.
1290
1291 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1292
1293         PR 83975
1294         PR 83344
1295         * resolve.c (resolve_assoc_var): Generate an error if
1296         target length unknown.
1297
1298 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1299
1300         PR fortran/83705
1301         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1302         to runtime, print a warning message.
1303
1304 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1305
1306         PR fortran/84116
1307         * openmp.c (gfc_match_omp_clauses): If all the linear
1308         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1309         nor set *head = NULL.  Formatting fixes.
1310
1311 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1312
1313         PR fortran/84088
1314         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1315         an address expression passed to an assumed rank dummy, convert
1316         to an indirect reference.
1317
1318 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1319
1320         * dump-parse-tree.c (write_proc): Use sym_name (which may
1321         be sym->binding_label) instead of sym->name.
1322
1323 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1324
1325         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1326         of int for slen.
1327
1328 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1329
1330         PR fortran/78534
1331         * trans-expr.c (fill_with_spaces): Use memset instead of
1332         generating loop.
1333         (gfc_trans_string_copy): Improve opportunity to use builtins with
1334         constant lengths.
1335
1336 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1337
1338         PR debug/84131
1339         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1340         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1341
1342 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1343
1344         PR fortran/84134
1345         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1346         zero, return false.
1347
1348 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1349
1350         PR fortran/84133
1351         * frontend-passes (matmul_to_var_expr): Return early if
1352         in association list.
1353         (inline_matmul_assign): Likewise.
1354
1355 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1356
1357         PR fortran/84073
1358         * resolve.c (resolve_component): Ensure BIND(C) character
1359         components have length one.
1360         (resolve_symbol): Likewise for variables.
1361
1362 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1363
1364         PR fortran/84065
1365         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1366         lengths.
1367
1368 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1369             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1370             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1371
1372         Partial support for Fortran 2018 teams features.
1373
1374         * array.c (gfc_match_array_ref): add team attribute in coarray
1375         transfers.
1376         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1377         functions for get_team and team_number.
1378         * dump-parse-tree.c (show_code_node): add new statements: form team,
1379         change team, end team, and sync team.
1380         * expr.c (gfc_find_team_co): add new function.
1381         * gfortran.h: add new statements.
1382         * intrinsic.c (add_functions): add get_team and team_number functions.
1383         * intrinsic.h: add get_team and team_number prototypes for check,
1384         simplify, and resolve.
1385         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1386         functions.
1387         * iso-fortran-env.def: add the team_type derived type.
1388         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1389         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1390         add change team, end team, form team, sync team match and functions.
1391         * match.h: add new prototypes for change team, end team, form team,
1392         and sync team.
1393         * parse.c (decode_statement): add cases for change team, end team,
1394         form team, and sync team.
1395         * resolve.c: add cases for exec form team, change team, end team, and
1396         sync team.
1397         * simplify.c (gfc_simplify_get_team): add new function for get team.
1398         * st.c (gfc_free_statement): add cases exec for change team, end team,
1399         form team, sync team.
1400         * trans-decl.c (gfor_fndecl_caf_form_team)
1401         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1402         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1403         (gfor_fndecl_caf_team_number): add functions and definitions.
1404         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1405         new function and team_type argument support.
1406         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1407         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1408         * trans-stmt.h: add new prototypes.
1409         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1410         * trans.c (trans_code): new exec cases for form team, change team, end
1411         team, and sync team.
1412         * trans.h: add new prototypes.
1413
1414 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1415
1416         PR fortran/83998
1417         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1418         or .false.  The summation does the correct type conversion.
1419         (gfc_simplify_dot_product): Special case zero-sized arrays.
1420
1421 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1422
1423         PR fortran/37577
1424         * array.c (gfc_match_array_ref): If standard earlier than F2008
1425         it is an error if the reference dimension is greater than 7.
1426         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1427         dtype masks and shifts accordingly.
1428         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1429         type node to check the field.
1430         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1431         (duplicate_allocatable_coarray): Access the rank field of the
1432         dtype descriptor rather than the dtype itself.
1433         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1434         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1435         (ie. a character).
1436         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1437         get_scalar_to_descriptor_type if the actual expression is a
1438         constant.
1439         (gfc_trans_structure_assign): Assign the rank directly to the
1440         dtype rank field.
1441         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1442         to default integer kind.
1443         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1444         'elem_len' field of the dtype.
1445         * trans-io.c (gfc_build_io_library_fndecls): Replace
1446         gfc_int4_type_node with dtype_type_node where necessary.
1447         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1448         scalars.
1449         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1450         dtype_type_node and, if necessary, build it.
1451         The maximum size of an array element is now determined by the
1452         maximum value of size_t.
1453         Update the description of the array descriptor, including the
1454         type def for the dtype_type.
1455         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1456         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1457         (gfc_get_array_descriptor_base): Change the type of the dtype
1458         field to dtype_type_node.
1459         (gfc_get_array_descr_info): Get the offset to the rank field of
1460         the dtype.
1461         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1462         * trans.h : Define the indices of the dtype fields.
1463
1464 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1465
1466         PR fortran/83866
1467         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1468         and emit error about garbage after declaration.
1469
1470 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1471
1472         PR fortran/83898
1473         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1474         for characters.
1475
1476 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1477
1478         PR 78534
1479         PR 83704
1480         * arith.c (gfc_arith_concat): Use size_t for string length.
1481         (gfc_compare_string): Likewise.
1482         (gfc_compare_with_Cstring): Likewise.
1483         * array.c (gfc_resolve_character_array_constructor): Use
1484         HOST_WIDE_INT, gfc_mpz_get_hwi.
1485         * check.c (gfc_check_fe_runtime_error): Use size_t.
1486         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1487         gfc_extract_hwi.
1488         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1489         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1490         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1491         gfc_extract_hwi.
1492         (gfc_apply_init): Likewise.
1493         * match.h (gfc_set_constant_character_len): Update prototype.
1494         * primary.c (match_string_constant): Use size_t.
1495         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1496         gfc_mpz_get_hwi.
1497         * simplify.c (init_result_expr): Likewise.
1498         (gfc_simplify_len_trim): Use size_t.
1499         * target-memory.c (gfc_encode_character): Use size_t.
1500         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1501         (interpret_array): Use size_t.
1502         (gfc_interpret_character): Likewise.
1503         * target-memory.h (gfc_encode_character): Update prototype.
1504         (gfc_interpret_character): Likewise.
1505         (gfc_target_interpret_expr): Likewise.
1506         * trans-const.c (gfc_build_string_const): Use size_t for length
1507         argument.
1508         (gfc_build_wide_string_const): Likewise.
1509         * trans-const.h (gfc_build_string_const): Likewise.
1510         (gfc_build_wide_string_const): Likewise.
1511
1512 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1513
1514         PR fortran/83900
1515     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1516
1517 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1518
1519         PR fortran/83900
1520         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1521
1522 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1523
1524         PR fortran/83864
1525         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1526
1527 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1528
1529         PR fortran/83874
1530         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1531
1532 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1533
1534         PR fortran/82257
1535         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1536         from symbol marked unlimited polymorphic.
1537         * resolve.c (resolve_structure_cons): Likewise.
1538         * misc.c (gfc_typename): Don't dereference derived->components
1539         if it's NULL.
1540
1541 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1542
1543         PR fortran/54613
1544         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1545         (gfc_logical_4_kind): New macro
1546         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1547         (gfc_simplify_maxloc): Likewise.
1548         (gfc_resolve_maxloc): Likewise.
1549         (gfc_resolve_minloc): Likewise.
1550         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1551         argument; also raise error if it is used (for now). Add it
1552         if it isn't present.
1553         * intrinsic.c (add_sym_4ml): Rename to
1554         (add_sym_5ml), adjust for extra argument.
1555         (add_functions): Add "back" constant. Adjust maxloc and minloc
1556         for back argument.
1557         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1558         not of gfc_logical_4_kind, convert.
1559         (gfc_resolve_minloc): Likewise.
1560         * simplify.c (gfc_simplify_minloc): Add back argument.
1561         (gfc_simplify_maxloc): Likewise.
1562         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1563         argument to %VAL to ensure passing by value.
1564         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1565         also for library calls.
1566
1567 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1568
1569         PR fortran/82007
1570         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1571         format specifiers in format strings. Set formatted to true if a
1572         format string or format label is present.
1573         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1574         whitespace.
1575
1576 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1577
1578         PR fortran/83744
1579         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1580         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1581         and BT_CHARACTER.
1582         (write_decl): Add where argument. Fix indentation. Replace
1583         assert with error message. Add typename to warning
1584         in comment.
1585         (write_type): Adjust locus to call of write_decl.
1586         (write_variable): Likewise.
1587         (write_proc): Likewise. Replace assert with error message.
1588
1589 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1590
1591         PR fortran/52162
1592         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1593         the rhs expression is neither an elemental nor a conversion
1594         function.
1595
1596         PR fortran/83622
1597         * trans-array.c (is_pointer_array): Remove unconditional return
1598         of false for -fopenmp.
1599
1600 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1601         <emsr@gcc.gnu.org>
1602
1603         PR fortran/83803
1604         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1605         for functions.
1606
1607 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1608
1609         PR fortran/82367
1610         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1611
1612 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1613
1614         PR fortran/83093
1615         * resolve.c (resolve_charlen): Check the type of cl->length
1616         after resolution.
1617
1618 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1619
1620         PR fortran/83740
1621         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1622
1623 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1624
1625         PR fortran/83740
1626         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1627         LHS type when assigning.
1628
1629 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1630
1631         PR fortran/83742
1632         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1633
1634 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1635
1636         * match.c (gfc_match_allocate): Check for NULL pointer.
1637
1638 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1639
1640         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1641
1642 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1643
1644         PR fortran/83611
1645         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1646         an initializer, convert the kind parameters and add to the
1647         component if the instance.
1648         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1649         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1650         for parameterized arrays. Clean up typos in comments. Convert
1651         parameterized array initializers and copy into the array.
1652         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1653         parameterized types.
1654         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1655         as necessary, when they are PDT function results for example.
1656
1657         PR fortran/83731
1658         * trans-array.c (structure_alloc_comps): Only compare len parms
1659         when they are declared explicitly.
1660
1661 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1662
1663         PR fortran/50892
1664         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1665         lhs type.
1666
1667 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1668
1669         PR fortran/78534
1670         PR fortran/66310
1671         * array.c (got_charlen): Use gfc_charlen_int_kind.
1672         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1673         hardcoded kind.
1674         (find_intrinsic_vtab): Likewise.
1675         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1676         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1677         (gfc_match_implicit): Use gfc_charlen_int_kind.
1678         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1679         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1680         * expr.c (gfc_get_character_expr): Length parameter of type
1681         gfc_charlen_t.
1682         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1683         (gfc_extract_hwi): New function.
1684         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1685         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1686         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1687         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1688         (gfc_mpz_set_hwi): Likewise.
1689         (gfc_charlen_t): New typedef.
1690         (gfc_expr): Use gfc_charlen_t for character lengths.
1691         (gfc_size_kind): New extern variable.
1692         (gfc_extract_hwi): New prototype.
1693         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1694         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1695         * gfortran.texi: Update description of hidden string length argument.
1696         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1697         (gfc_resolve_char_achar): Likewise.
1698         (gfc_resolve_repeat): Pass string length directly without
1699         temporary, use gfc_charlen_int_kind.
1700         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1701         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1702         * misc.c (gfc_mpz_get_hwi): New function.
1703         (gfc_mpz_set_hwi): New function.
1704         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1705         (parse_integer): Don't complain about large integers.
1706         (write_atom): Use HOST_WIDE_INT for integers.
1707         (mio_integer): Handle integer type mismatch.
1708         (mio_hwi): New function.
1709         (mio_intrinsic_op): Use HOST_WIDE_INT.
1710         (mio_array_ref): Likewise.
1711         (mio_expr): Likewise.
1712         * primary.c (match_substring): Use gfc_charlen_int_kind.
1713         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1714         (resolve_character_operator): Likewise.
1715         (resolve_assoc_var): Likewise.
1716         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1717         (resolve_charlen): Use mpz_sgn to determine sign.
1718         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1719         instead of long.
1720         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1721         * target-memory.c (size_character): Length argument of type
1722         gfc_charlen_t.
1723         (gfc_encode_character): Likewise.
1724         (gfc_interpret_character): Use gfc_charlen_t.
1725         * target-memory.h (gfc_encode_character): Modify prototype.
1726         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1727         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1728         (trans_array_constructor): Use existing type.
1729         (get_array_charlen): Likewise.
1730         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1731         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1732         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1733         (add_argument_checking): Likewise.
1734         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1735         gfc_charlen_type_node.
1736         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1737         4, fold_convert to correct type.
1738         (gfc_conv_class_to_class): Build const of type size_type_node for
1739         size.
1740         (gfc_copy_class_to_class): Likewise.
1741         (gfc_conv_string_length): Use same type in expression.
1742         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1743         (gfc_conv_string_tmp): Make sure len is of the right type.
1744         (gfc_conv_concat_op): Use same type in expression.
1745         (gfc_conv_procedure_call): Likewise.
1746         (fill_with_spaces): Comment out memset() block due to spurious
1747         -Wstringop-overflow warnings.
1748         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1749         (alloc_scalar_allocatable_for_subcomponent_assignment):
1750         fold_convert to right type.
1751         (gfc_trans_subcomponent_assign): Likewise.
1752         (trans_class_vptr_len_assignment): Build const of correct type.
1753         (gfc_trans_pointer_assignment): Likewise.
1754         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1755         type in expr.
1756         (trans_class_assignment): Build const of correct type.
1757         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1758         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1759         * trans-io.c (gfc_build_io_library_fndecls): Use
1760         gfc_charlen_type_node for character lengths.
1761         (set_string): Convert to right type in assignment.
1762         * trans-stmt.c (gfc_trans_label_assign): Build const of
1763         gfc_charlen_type_node.
1764         (trans_associate_var): Likewise.
1765         (gfc_trans_character_select): Likewise.
1766         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1767         (gfc_trans_deallocate): Don't typecast strlen result.
1768         * trans-types.c (gfc_size_kind): New variable.
1769         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1770         from size_type_node.
1771         * trans-types.h: Fix comment.
1772
1773 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1774
1775         PR fortran/83683
1776         PR fortran/45689
1777         * check.c (gfc_check_eoshift): Check for string length and
1778         for conformance of boundary.
1779         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1780         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1781         * simplify.c (gfc_simplify_eoshift): New function.
1782
1783 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1784             Alan Hayward  <alan.hayward@arm.com>
1785             David Sherwood  <david.sherwood@arm.com>
1786
1787         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1788
1789 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1790             Alan Hayward  <alan.hayward@arm.com>
1791             David Sherwood  <david.sherwood@arm.com>
1792
1793         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1794
1795 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1796
1797         PR fortran/83664
1798         * check.c (gfc_check_eoshift): Error for missing boundary if array
1799         is not one of the standard types.
1800
1801 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1802
1803         Update copyright years.
1804
1805         * gfortranspec.c (lang_specific_driver): Update copyright notice
1806         dates.
1807         * gfc-internals.texi: Bump @copying's copyright year.
1808         * gfortran.texi: Ditto.
1809         * intrinsic.texi: Ditto.
1810         * invoke.texi: Ditto.
1811
1812 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1813
1814         PR fortran/45689
1815         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1816         gfc_simplify_minloc to maxloc and minloc, respectively.
1817         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1818         and gfc_simplify_maxloc.
1819         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1820         to have a return value which indicates if the extremum was found.
1821         (is_constant_array_expr): Fix typo in comment.
1822         (simplify_minmaxloc_to_scalar): New function.
1823         (simplify_minmaxloc_nodim): New function.
1824         (new_array): New function.
1825         (simplify_minmaxloc_to_array): New function.
1826         (gfc_simplify_minmaxloc): New function.
1827         (simplify_minloc): New function.
1828         (simplify_maxloc): New function.
1829
1830 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1831
1832         PR fortran/45689
1833         PR fortran/83650
1834         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1835         range of arguments.
1836
1837 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1838
1839         PR fortran/83076
1840         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1841         allocatable and pointer scalars, when -fcoarray selected.
1842         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1843         field as well as the backend_decl.
1844         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1845         derived types that are not vtypes. Components with caf_token
1846         attribute are pvoid types. For a component requiring it, find
1847         the caf_token field and have the component token field point to
1848         its backend_decl.
1849
1850         PR fortran/83319
1851         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1852         field to the descriptor even when codimen not set.
1853 \f
1854 Copyright (C) 2018 Free Software Foundation, Inc.
1855
1856 Copying and distribution of this file, with or without modification,
1857 are permitted in any medium without royalty provided the copyright
1858 notice and this notice are preserved.