gcc/fortran/ChangeLog

   1 2018-08-22  Andrew Benson  <abensonca@gmail.com>
   2
   3         * module.c (load_generic_interfaces): Move call to find_symbol()
   4         so that only occurs if actually needed.
   5
   6 2018-08-22  Janus Weil  <janus@gcc.gnu.org>
   7
   8         PR fortran/86888
   9         * decl.c (gfc_match_data_decl): Allow allocatable components of
  10         indirectly recursive type.
  11         * resolve.c (resolve_component): Remove two errors messages ...
  12         (resolve_fl_derived): ... and replace them by a new one.
  13
  14 2018-08-21  Janne Blomqvist  <jb@gcc.gnu.org>
  15
  16         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use
  17         MAX_EXPR/MIN_EXPR unconditionally for real arguments.
  18         * gfortran.texi (Compiler Characteristics): Document MAX/MIN
  19         behavior wrt NaN.
  20
  21 2018-08-21  Nicolas Koenig  <koenigni@gcc.gnu.org>
  22         Thomas Koenig <tkoenig@gcc.gnu.org>
  23
  24         PR fortran/25829
  25         * gfortran.texi: Add description of asynchronous I/O.
  26         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  27         as volatile.
  28         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  29         st_wait_async and change argument spec from ".X" to ".w".
  30         (gfc_trans_wait): Pass ID argument via reference.
  31
  32 2018-08-16  Nathan Sidwell  <nathan@acm.org>
  33
  34         * cpp.c (dump_macro): Use cpp_user_macro_p.
  35
  36 2018-08-14  Janus Weil  <janus@gcc.gnu.org>
  37
  38         PR fortran/86116
  39         * interface.c (compare_type): Remove a CLASS/TYPE check.
  40         (compare_type_characteristics): New function that behaves like the old
  41         'compare_type'.
  42         (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
  43         Call 'compare_type_characteristics' instead of 'compare_type'.
  44
  45 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  46
  47         PR fortran/66679
  48         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
  49         elements are returned as references to the data element. Get
  50         the class expression by stripping back the references. Use this
  51         for the element size.
  52
  53 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  54
  55         PR fortran/86906
  56         * resolve.c (resolve_fl_variable_derived): Check if the derived
  57         type is use associated before checking for the host association
  58         error.
  59
  60 2018-08-10  Janus Weil  <janus@gcc.gnu.org>
  61
  62         PR fortran/57160
  63         * invoke.texi (frontend-optimize): Mention short-circuiting.
  64         * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
  65         * resolve.c (resolve_operator): Warn about short-circuiting only with
  66         -ffrontend-optimize.
  67         * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
  68         with -ffrontend-optimize. Without that flag, make sure that both
  69         operands are evaluated.
  70
  71 2018-08-08  Nathan Sidwell  <nathan@acm.org>
  72
  73         * cpp.c (cb_file_change): Use linemap_included_from.
  74
  75 2018-08-07  Cesar Philippidis  <cesar@codesourcery.com>
  76
  77         * trans-stmt.h: Remove stale reference to trans-openacc.c.
  78
  79 2018-08-04  Janus Weil  <janus@gcc.gnu.org>
  80
  81         PR fortran/45521
  82         * interface.c (gfc_compare_interfaces): Apply additional
  83         distinguishability criteria of F08 to operator interfaces.
  84
  85 2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>
  86
  87         Revert 'AsyncI/O patch committed'
  88         2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  89                 Thomas Koenig <tkoenig@gcc.gnu.org>
  90
  91         PR fortran/25829
  92         * gfortran.texi: Add description of asynchronous I/O.
  93         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  94         as volatile.
  95         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  96         st_wait_async and change argument spec from ".X" to ".w".
  97         (gfc_trans_wait): Pass ID argument via reference.
  98
  99 2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
 100         Thomas Koenig <tkoenig@gcc.gnu.org>
 101
 102         PR fortran/25829
 103         * gfortran.texi: Add description of asynchronous I/O.
 104         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
 105         as volatile.
 106         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
 107         st_wait_async and change argument spec from ".X" to ".w".
 108         (gfc_trans_wait): Pass ID argument via reference.
 109
 110 2018-07-20  Martin Sebor  <msebor@redhat.com>
 111
 112         PR middle-end/82063
 113         * gfortran.h (gfc_handle_option): Change function argument
 114         to HOST_WIDE_INT.
 115         * options.c (gfc_handle_option): Same.
 116
 117 2018-07-20  Andrew Benson  <abenson@carnegiescience.edu>
 118
 119         * gfortran.h (gfc_symbol): Add pointer to next derived type.
 120         (gfc_dt_list, gfc_get_dt_list): Remove.
 121         (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
 122         * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
 123         simple nullification of gfc_derived_types.
 124         * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
 125         gfc_symbol.
 126         (add_dt_to_dt_list): Change derived type linked list insertion to
 127         utilize dt_next pointers in gfc_symbol.
 128         * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
 129         (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
 130         gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
 131         linked list search/insertion to utilize dt_next pointers in gfc_symbol.
 132         * trans-types.c (gfc_get_derived_type): Change derived type linked
 133         list search to utilize dt_next pointers in gfc_symbol.
 134
 135 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 136
 137         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
 138         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
 139
 140 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
 141             Thomas Koenig  <tkoenig@gcc.gnu.org>
 142
 143         PR fortran/85599
 144         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
 145         * frontend-passes.c (do_warn_function_elimination): Do not warn for
 146         pure functions.
 147         * gfortran.h: Add prototypes for gfc_pure_function and
 148         gfc_implicit_pure_function.
 149         * gfortran.texi: Add chapter on evaluation of logical expressions.
 150         * invoke.texi: Mention that -Wfunction-elimination is implied
 151         by -Wextra.
 152         * lang.opt: Make -Wextra imply -Wfunction-elimination.
 153         * resolve.c (pure_function): Rename to gfc_pure_function.
 154         (gfc_implicit_pure_function): New function.
 155         (check_pure_function): Use it here.
 156         (impure_function_callback): New function.
 157         (resolve_operator): Call it via gfc_expr_walker.
 158
 159 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 160
 161         PR fortran/83184
 162         * decl.c (match_old_style_init): Initialize locus of variable expr when
 163         creating a data variable.
 164         (match_clist_expr): Verify array is explicit shape/size before
 165         attempting to allocate constant array constructor.
 166
 167 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 168
 169         PR fortran/86417
 170         * module.c (mio_component): Set component->loc when loading from module.
 171
 172 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 173
 174         PR fortran/86421
 175         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
 176         _UVAL suffixes.
 177         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
 178         on linear clauses.  Initialize n->where to gfc_current_locus.
 179
 180 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
 181
 182         PR fortran/86408
 183         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
 184         in F2008 and not F2003.
 185         (resolve_function): Ditto in error message. Also, exclude
 186         deferred character length results from the error.
 187
 188 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
 189
 190         PR fortran/83183
 191         PR fortran/86325
 192         * expr.c (class_allocatable, class_pointer, comp_allocatable,
 193         comp_pointer): New helpers.
 194         (component_initializer): Generate EXPR_NULL for allocatable or pointer
 195         components. Do not generate initializers for components within BT_CLASS.
 196         Do not assign to comp->initializer.
 197         (gfc_generate_initializer): Use new helpers; move code to generate
 198         EXPR_NULL for class allocatable components into component_initializer().
 199
 200 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 201
 202         PR fortran/82009
 203         * trans-decl.c (gfc_process_block_locals): Delete assert and set
 204         saved_local_decls = NULL_TREE.
 205
 206 2018-07-02  Richard Biener  <rguenther@suse.de>
 207
 208         PR lto/86321
 209         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
 210         for the distinct type copy.
 211
 212 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 213
 214         PR fortran/82969
 215         PR fortran/86242
 216         * trans-array.c (structure_alloc_comps): Do not explicitly copy
 217         procedure pointer components.
 218
 219 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 220
 221         PR fortran/45305
 222         * expr.c : Add a prototype for scalarize_intrinsic_call.
 223         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
 224         intrinsic function calls.
 225         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
 226         the expression or any of the actual argument expressions are
 227         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
 228         Only simplify the scalarized expressions if there are no errors
 229         on the stack.
 230         (gfc_check_init_expr): Set 'init_flag' true in the call to
 231         scalarize_intrinsic_call.
 232
 233 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 234
 235         PR fortran/82865
 236         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 237
 238 2018-06-28  Martin Liska  <mliska@suse.cz>
 239
 240         * gfortranspec.c: Include opt-suggestions.h.
 241
 242 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 243
 244         PR fortran/82972
 245         PR fortran/83088
 246         PR fortran/85851
 247         * expr.c (component_initializer): Assign init expr to c->initializer.
 248         (generate_isocbinding_initializer): New.
 249         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 250         generate initializers for c_ptr and c_funptr with -finit-derived.
 251
 252 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 253
 254         PR fortran/85983
 255         * interface.c (check_dtio_interface1): Delete assert.
 256
 257 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 258             Rainer Orth  <ro@gcc.gnu.org>
 259
 260         PR fortran/86281
 261         * resolve.c (resolve_contained_fntype): Check for the charlen
 262         before testing the length.
 263
 264 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 265
 266         PR fortran/49630
 267         * resolve.c (resolve_contained_fntype): Change standard ref.
 268         from F95 to F2003: C418. Correct a spelling error in a comment.
 269         It is an error for an abstract interface to have an assumed
 270         character length result.
 271         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 272         standard reference.
 273
 274 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 275
 276         PR fortran/83118
 277         * resolve.c (resolve_ordinary_assign): Force the creation of a
 278         vtable for assignment of non-polymorphic expressions to an
 279         unlimited polymorphic object.
 280         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 281         size of the rhs type for such assignments. Set the dtype, _len
 282         and vptrs appropriately.
 283         * trans-expr.c (gfc_trans_assignment): Force the use of the
 284         _copy function for these assignments.
 285
 286 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 287             Thomas Schwinge <thomas@codesourcery.com>
 288             Cesar Philippidis  <cesar@codesourcery.com>
 289
 290         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 291         bitfields.
 292         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 293         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 294         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 295         create, deviceptr, present_of_*. Add support for finalize and
 296         if_present.
 297         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 298         (OACC_KERNELS_CLAUSES): Likewise.
 299         (OACC_DATA_CLAUSES): Likewise.
 300         (OACC_DECLARE_CLAUSES): Likewise.
 301         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 302         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 303         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 304         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 305         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 306         and FINALIZE.
 307
 308 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 309
 310         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 311
 312 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 313
 314         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 315         (nonlocal_dummy_decls): Likewise.
 316         (gfc_nonlocal_dummy_array_decl): Likewise.
 317         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 318         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 319         reusing the result of a recursive call.
 320         (gfc_generate_function_code): Do not create, insert and destroy
 321         nonlocal_dummy_decls.
 322
 323 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 324
 325         PR fortran/86110
 326         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 327         pointer dereference.
 328
 329 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 330
 331         PR fortran/85703
 332         * parse.c (decode_oacc_directive): Set gfc_matching_function
 333         to false.
 334         (decode_omp_directive): Likewise.
 335
 336 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 337
 338         PR fortran/85702
 339         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 340
 341 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 342
 343         PR other/69968
 344         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 345         levenshtein_distance to get_edit_distance.
 346
 347 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 348
 349         PR fortran/44491
 350         * expr.c (gfc_check_assign): Select non-NULL locus.
 351
 352 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 353
 354         PR fortran/45521
 355         * interface.c (compare_ptr_alloc): New function.
 356         (generic_correspondence): Call it.
 357
 358 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 359
 360         * gfortran.h (gfc_expr): Add no_bounds_check field.
 361         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 362         on function and function argument.
 363         (inline_matmul_assign): Set no_bounds_check on zero expression
 364         and on lhs of zero expression.
 365         Also handle A1B2 case if realloc on assigment is active.
 366         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 367         if expr has no_bounds_check set.
 368         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 369         has it set.
 370         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 371         on lss and lss if the corresponding expressions have it set.
 372
 373 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 374
 375         PR fortran/79854
 376         * trans-const.c: Remove include "diagnostic-core.h".
 377         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 378
 379 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 380
 381         PR fortran/85088
 382         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 383         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 384         and remove a TODO note.
 385         * gfortran.h: Add a comment to sym_intent.
 386
 387 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 388
 389         PR fortran/38351
 390         * resolve.c (resolve_operator): Provide better error message for
 391         derived type entity used in an binary intrinsic numeric operator.
 392
 393 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 394
 395         PR fortran/85138
 396         PR fortran/85996
 397         PR fortran/86051
 398         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 399         reduce a charlen to a constant.
 400
 401 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 402
 403         PR fortran/78278
 404         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 405         an error for double initialization of CHARACTER entities.
 406
 407 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 408
 409         PR fortran/63514
 410         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 411
 412 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 413
 414         PR fortran/85631
 415         * trans.h (gfc_ss): Add field no_bounds_check.
 416         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 417         ss->no_bounds_check is set, do not use runtime checks.
 418         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 419         for reallocatable lhs.
 420
 421 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 422
 423         PR fortran/86059
 424         * array.c (match_array_cons_element): NULL() cannot be in an
 425         array constructor.
 426
 427 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 428
 429         PR fortran/78571
 430         * data.c (create_character_initializer): Return early if type is
 431         incompatible with CHARACTER.
 432
 433 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 434
 435         PR fortran/86045
 436         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 437         'P' is zero and issue an error if it is.
 438
 439 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 440
 441         PR fortran/85641
 442         * frontend-passes.c (is_fe_temp): Add prototype.
 443         (realloc_string_callback): Early return for frontend-generated
 444         temporary.
 445
 446 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 447
 448         PR fortran/85701
 449
 450         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 451         subroutine data clause arguments.
 452
 453 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 454
 455         PR fortran/85981
 456         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 457         character kind.
 458
 459 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 460
 461         PR fortran/36497
 462         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 463
 464 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 465
 466         PR fortran/63570
 467         * check.c (gfc_check_random_init): New function. Check arguments of
 468         RANDOM_INIT.
 469         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 470         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 471         subroutines.
 472         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 473         * intrinsic.h: Add prototypes for gfc_check_random_init and
 474         gfc_resolve_random_init
 475         * intrinsic.texi: Document new intrinsic subprogram.
 476         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 477         * trans-decl.c: Declare gfor_fndecl_random_init
 478         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 479         Translate call to RANDOM_INIT.
 480         (gfc_conv_intrinsic_subroutine): Call it.
 481         * trans.h: Declare gfor_fndecl_random_init
 482
 483 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 484
 485         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 486         initialization in a data statement.
 487
 488 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 489
 490         PR fortran/85839
 491         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 492         an obsolescent feature in Fortran 2018.
 493         (gfc_match_equivalence): Ditto.
 494         * resolve.c (resolve_common_blocks): Ditto.
 495         (gfc_resolve_forall): Ditto.
 496         * symbol.c (gfc_define_st_label): Ditto.
 497
 498 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 499
 500         PR fortran/85543
 501         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 502         pointer dereference.
 503
 504 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 505
 506         PR fortran/85780
 507         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 508
 509 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 510
 511         PR fortran/85779
 512         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 513
 514 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 515
 516         PR fortran/85895
 517         * resolve.c (resolve_sync): Resolve expression before checking for
 518         an error.
 519
 520 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 521
 522         PR fortran/85841
 523         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 524         GFC_STD_OPT_F08TS.
 525         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 526         * options.c (set_default_std_flags): Ditto.
 527         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 528         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 529         GFC_STD_F2018.
 530         * check.c (gfc_check_atomic, gfc_check_event_query,
 531         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 532         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 533         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 534         * intrinsic.c (add_functions, add_subroutines,
 535         gfc_check_intrinsic_standard): Ditto.
 536         * iso-c-binding.def: Ditto.
 537         * iso-fortran-env.def: Ditto.
 538         * match.c (gfc_match_event_post, gfc_match_event_wait,
 539         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 540         gfc_match_end_team, gfc_match_sync_team): Ditto.
 541         * gfortran.texi: Remove mention of -std=f2008ts.
 542         Move TSs into F2018 section.
 543         * invoke.texi: Update documentation of -std=f2008ts.
 544
 545 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 546
 547         PR fortran/85841
 548         * libgfortran.h: New macros GFC_STD_OPT_*.
 549         * error.c (notify_std_msg): New function.
 550         (gfc_notify_std): Adjust such that it can handle combinations of
 551         GFC_STD_* flags in the 'std' argument, not just a single one.
 552         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 553         in Fortran 2018.
 554         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 555         * options.c (set_default_std_flags): Warn for F2018 deleted features
 556         by default.
 557         (gfc_handle_option): F2018 deleted features are allowed in earlier
 558         standards.
 559         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 560         nonblock do constructs in Fortran 2018.
 561
 562 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 563
 564         PR fortran/80657
 565         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 566         test for self refs to the function result in the character len
 567         expression. If a self reference is found, emit an error and
 568         return true.
 569         (resolve_fntype): Use the function symbol in the calls to the
 570         above.
 571
 572 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 573
 574         PR fortran/49636
 575         * trans-array.c (gfc_get_array_span): Renamed from
 576         'get_array_span'.
 577         (gfc_conv_expr_descriptor): Change references to above.
 578         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 579         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 580         blocks for 'arg1'.
 581         * trans-stmt.c (trans_associate_var): If the associate name is
 582         a subref array pointer, use gfc_get_array_span for the span.
 583
 584 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 585
 586         PR fortran/82275
 587         * match.c (gfc_match_type_spec): Go through the array ref and
 588         decrement 'rank' for every dimension that is an element.
 589
 590 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 591
 592         PR fortran/82923
 593         PR fortran/66694
 594         PR fortran/82617
 595         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 596         charlen backend_decl of the rhs expr to ss->info->string_length
 597         so that the value in the current scope is used.
 598
 599 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 600
 601         PR fortran/63529
 602         * gfortran.texi: Clarify documentation for Cray pointer and
 603         assumed-sized array.
 604
 605 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 606
 607         PR fortran/85742
 608         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 609         of 'size'. If the element type is a pointer use the size of the
 610         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 611         case, set the size to zero.
 612
 613 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 614
 615         * gfortran.h: Remove prototype.
 616         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 617
 618 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 619
 620         PR fortran/85542
 621         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 622
 623 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 624
 625         PR fortran/85687
 626         * check.c (gfc_check_rank): Check that the argument is a data object.
 627
 628 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 629
 630         PR fortran/85521
 631         * array.c (gfc_resolve_character_array_constructor): Substrings
 632         with upper bound smaller than lower bound are zero length strings.
 633
 634 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 635
 636         PR fortran/70870
 637         * data.c (gfc_assign_data_value): Check that a data object does
 638         not also have default initialization.
 639
 640 2018-05-10  Marek Polacek  <polacek@redhat.com>
 641
 642         PR fortran/85735
 643         * options.c (gfc_post_options): Set main_input_filename.
 644
 645 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 646
 647         PR fortran/54613
 648         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 649
 650 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 651
 652         PR fortran/68846
 653         PR fortran/70864
 654         * resolve.c (get_temp_from_expr): The temporary must not have
 655         dummy or intent attributes.
 656
 657 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 658
 659         PR fortran/54613
 660         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 661         implemented.  Use gfc_logical_4_kind for BACK.
 662         * simplify.c (min_max_choose): Add optional argument back_val.
 663         Handle it.
 664         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 665         back_val to min_max_choose.
 666         (simplify_minmaxloc_to_nodim): Likewise.
 667         (simplify_minmaxloc_to_array): Likewise.
 668         (gfc_simplify_minmaxloc): Add argument back, handle it.
 669         Pass back_val to specific simplification functions.
 670         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 671         pass it on to gfc_simplify_minmaxloc.
 672         (gfc_simplify_maxloc): Likewise.
 673         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 674         comment. If BACK is true, use greater or equal (or lesser or
 675         equal) insteal of greater (or lesser). Mark the condition of
 676         having found a value which exceeds the limit as unlikely.
 677
 678 2018-05-07  Jeff Law  <law@redhat.comg>
 679
 680         * scanner.c (preprocessor_line): Call linemap_add after a line
 681         directive that changes the current filename.
 682
 683 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 684
 685         PR fortran/85507
 686         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 687         introduced by r259385.
 688         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 689         same variables in coarray assignments.
 690
 691 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 692
 693         PR libgomp/82428
 694         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 695
 696 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 697
 698         PR fortran/85520
 699         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 700
 701 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 702
 703         PR fortran/81773
 704         PR fortran/83606
 705         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 706         during dependency computation.  They define no data dependency.
 707         * trans-array.c (conv_array_index_offset): The stride can not be set
 708         here, prevent fail.
 709         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 710         for caf_get's result and copying to the array with vectorial
 711         indexing.
 712
 713 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 714
 715         PR fortran/85387
 716         * frontend-passes.c (traverse_io_block): Check for start, end or
 717         stride being defined by an outer implied DO loop.
 718
 719 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 720
 721         PR fortran/83064
 722         PR testsuite/85346
 723         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 724         for annotation and remove dependence on -ftree-parallelize-loops.
 725
 726 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 727
 728         PR fortran/85313
 729         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 730         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 731
 732 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 733
 734         PR fortran/83064
 735         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 736         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 737         is set.
 738
 739 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 740
 741         PR fortran/51260
 742         * resolve.c (resolve_variable): Simplify cases where access to a
 743         parameter array results in a single constant.
 744
 745 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 746
 747         PR fortran/85102
 748         * decl.c (variable_decl): If upper or lower bounds simplify
 749         to a constant, use that.
 750
 751 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 752
 753         PR fortran/84931
 754         * simplify.c (gfc_convert_constant): Handle case of array
 755         constructors within an array that has no iterator and improve
 756         the conciseness of this section of code.
 757
 758 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 759
 760         PR fortran/85111
 761         * array.c (gfc_resolve_character_array_constructor): Early
 762         exit for zero-size arrays.
 763         * simplify.c (simplify_transformation_to_array): Exit early
 764         if the result size is zero.
 765         (simplify_minmaxloc_to_array): Likewise.
 766
 767 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 768
 769         PR fortran/69497
 770         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 771         from the root.
 772         (gfc_free_namespace): Restore assert (revert r258839).
 773
 774 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 775
 776         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 777         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 778         (IOPARM_dt_dec_ext): ... this.
 779         * trans-io.c (build_dt): Adjust for default_exp renaming to
 780         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 781         * io.c (match_io): Likewise.
 782
 783 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 784
 785         PR fortran/85084
 786         * frontend-passes.c (gfc_run_passes): Do not run front-end
 787         optimizations if a previous error occurred.
 788
 789 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 790         Harald Anlauf  <anlauf@gmx.de>
 791
 792         PR fortran/85083
 793         * primary.c (gfc_convert_to_structure_constructor): Check
 794         conformance of argument types in structure constructor.
 795
 796 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 797
 798         PR fortran/66709
 799         * io.c: Include constructor.h.
 800         (resolve_tag_format): For a constant character array, concatenate
 801         into a single character expression.
 802
 803 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 804         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 805
 806         PR fortran/84924
 807         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 808         scalar derived type with -std=f2003 and -std=f2008.
 809
 810 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 811             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 812
 813         PR fortran/69497
 814         * symbol.c (gfc_free_namespace): Delete the assert and only if
 815         refs count is equals zero, free the namespace. Otherwise,
 816         something is halfway and other errors will resound.
 817
 818 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 819
 820         PR fortran/70068
 821         * expr.c (find_substring_ref): Change types of start, end
 822         and length variables to gfc_charlen_t. Set length to zero
 823         for empty substring.
 824
 825 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 826
 827         PR fortran/42651
 828         * decl.c (check_function_name): Improved error message
 829         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 830
 831 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 832
 833         PR fortran/84922
 834         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 835         body, then it must appear on the contained subroutine or function.
 836         While here, fix nearby mis-indented code.
 837
 838 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 839         Harald Anlauf  <anlauf@gmx.de>
 840
 841         PR fortran/84957
 842         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 843
 844 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 845
 846         PR fortran/84615
 847         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 848         gfc_charlen_type_node when calling procedure.
 849
 850 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 851
 852         PR fortran/85001
 853         * interface.c (symbol_rank): Remove bogus null pointer check that
 854         crept in when translating a ternary operator into an if-else
 855         constructor.
 856
 857 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 858
 859         PR fortran/84931
 860         * simplify.c (gfc_convert_constant): Correctly handle iterators
 861         for type conversion.
 862
 863 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 864
 865         PR fortran/77414
 866         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 867         the contain portion of a subroutine.  Change language of existing
 868         error message to better describe the issue. While here fix whitespace
 869         issues.
 870
 871 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 872
 873         PR fortran/65453
 874         * decl.c (get_proc_name): Catch clash between a procedure statement
 875         and a contained subprogram
 876
 877 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 878
 879         PR fortran/69395
 880         * decl.c (merge_array_spec): Correct the error condition.
 881
 882 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 883
 884         PR fortran/78741
 885         * decl.c (get_proc_name):  Check for clash of entry name with
 886         subroutine name.
 887
 888 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 889
 890         PR fortran/69395
 891         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 892         dimensions, and issue error message if limit is exceeded.
 893
 894 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 895
 896         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 897         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 898         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 899         * intrinsic.texi: Update documentation.
 900         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 901         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 902         gfor_fndecl_kill and gfor_fndecl_kill_sub
 903         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 904         functions.
 905         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 906         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 907         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 908
 909 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 910
 911         PR fortran/84546
 912         * trans-array.c (structure_alloc_comps): Make sure that the
 913         vptr is copied and that the unlimited polymorphic _len is used
 914         to compute the size to be allocated.
 915         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 916         unlimited polymorphic _len for the offset to the element.
 917         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 918         * trans.h : Add the boolean 'unlimited' to the prototype.
 919
 920 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 921
 922         PR fortran/83939
 923         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 924
 925 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 926
 927         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 928         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 929         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 930         keywords for KILL.  Remove redundant *back="back" in favor of the
 931         original *bck="back".
 932         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 933         for KILL.
 934         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 935         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 936         correct function.
 937         (gfc_resolve_rename_sub): Add comment.
 938
 939 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 940
 941         PR fortran/66128
 942         * simplify.c (simplify_transformation): Return default result for
 943         empty array argument.
 944         (gfc_simplify_all): Remove special-case handling for zerosize.
 945         (gfc_simplify_any): Likewise.
 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_norm2): Likewise.
 953         (gfc_simplify_product): Likewise.
 954         (gfc_simplify_sum): Likewise.
 955
 956 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 957
 958         PR fortran/84734
 959         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 960         the expression up the chain instead of a NULL pointer.
 961
 962 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 963
 964         PR fortran/64124
 965         PR fortran/70409
 966         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 967
 968 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 969
 970         PR fortran/84697
 971         PR fortran/66128
 972         * expr.c (simplify_parameter_variable): If p is a size zero array
 973         and not an ARRAY_EXPR insert an empty array constructor and
 974         return.
 975         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 976         * simplify.c (is_size_zero_array): Make non-static and rename into
 977         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 978         size by comparing shape and absence of constructor.
 979         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 980         is_size_zero_array.
 981         (gfc_simplify_count): Likewise.
 982         (gfc_simplify_iall): Likewise.
 983         (gfc_simplify_iany): Likewise.
 984         (gfc_simplify_iparity): Likewise.
 985         (gfc_simplify_minval): Likewise.
 986         (gfc_simplify_maxval): Likewise.
 987         (gfc_simplify_product): Likewise.
 988         (gfc_simplify_sum): Likewise.
 989
 990 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 991
 992         PR fortran/56667
 993         * primary.c (match_sym_complex_part): Give the matcher for an implied
 994         do-loop a chance to run.
 995
 996 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 997
 998         PR fortran/71085
 999         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
1000         dereference NULL pointer.
1001
1002 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
1003
1004         PR fortran/66128
1005         * simplify.c (is_size_zero_array): New function to check for size
1006         zero array.
1007         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
1008          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
1009          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
1010          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
1011         requirements from F2018.
1012
1013 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
1014
1015         PR fortran/51434
1016         * simplify.c (gfc_simplify_transfer): Resolve mold.
1017
1018 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
1019
1020         PR fortran/80965
1021         * resolve.c (build_loc_call): Change symtree name from 'loc' to
1022         '_loc'.
1023
1024 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1025
1026         PR fortran/84219
1027         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
1028         components are caf tokens.
1029         (gfc_target_interpret_expr): Treat BT_VOID expressions as
1030         integers.
1031
1032 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1033
1034         PR fortran/84538
1035         * class.c (class_array_ref_detected): Remove the condition that
1036         there be no reference after the array reference.
1037         (find_intrinsic_vtab): Remove excess whitespace.
1038         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1039         as 'base and call build_class_array_ref earlier.
1040
1041 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
1042
1043         PR fortran/83901
1044         * trans-stmt.c (trans_associate_var): Make sure that the se
1045         expression is a pointer type before converting it to the symbol
1046         backend_decl type.
1047
1048 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
1049
1050         PR fortran/83633
1051         * decl.c (variable_decl): Check that an explicit-shape-array with
1052         nonconstant bounds is allowed.
1053
1054 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
1055
1056         PR fortran/84523
1057         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1058         has a pre block, add it to the expression pre block.
1059
1060 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
1061
1062         PR fortran/78238
1063         * gfortran.h (gfc_integer_4_kind): Define.
1064         * resolve.c (resolve_select_type): Make sure that the
1065         kind of c->high is gfc_integer_4_kind.
1066
1067 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
1068
1069         PR fortran/30792
1070         * decl.c (gfc_match_data): Check for invalid substring in
1071         data-implied-do
1072
1073 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1074
1075         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1076
1077 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1078
1079         PR fortran/84511
1080         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1081
1082 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1083
1084         PR fortran/84346
1085         * interface.c (compare_actual_formal): Issue error if keyword is
1086         used in a statement function.
1087
1088 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1089
1090         PR fortran/84506
1091         * trans-io.c (set_parameter_value_inquire): Adjust range check of
1092         negative unit values for kind=8 units to the kind=4 negative limit.
1093
1094 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1095
1096         PR fortran/83149
1097         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1098         accessing its components.
1099
1100 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1101
1102         PR fortran/83149
1103         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1104         before accessing its components.
1105
1106 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1107
1108         PR fortran/83148
1109         * trans-const.c : Clean up some whitespace issues.
1110         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1111         derived type has a kind value of zero, set it to the default
1112         integer kind.
1113
1114 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
1115
1116         PR fortran/84519
1117         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1118         argument to stop and error stop decls.
1119         * trans-stmt.c (gfc_trans_stop): Add false value to argument
1120         lists.
1121
1122 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1123
1124         PR 78534
1125         PR 84509
1126         * trans-decl.c (gfc_build_builtin_function_decls): Pass
1127         gfc_int8_type node to pause_numeric, size_type_node to
1128         pause_string.
1129         * trans-stmt.c (gfc_trans_pause): Likewise.
1130
1131 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1132
1133         * gfortran.texi: Update Coarray API description.
1134         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1135         character lengths, int for exit codes.
1136         (generate_coarray_sym_init): Use size_t for character length.
1137         * trans-intrinsic.c (conv_co_collective): Likewise.
1138         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1139         (gfc_trans_event_post_wait): Likewise.
1140         (gfc_trans_sync): Likewise.
1141         (gfc_trans_stop): Use size_t for character lengths, int for exit
1142         codes.
1143
1144 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1145
1146         PR fortran/48890
1147         PR fortran/83823
1148         * primary.c (gfc_convert_to_structure_constructor):
1149         For a constant string constructor, make sure the length
1150         is correct.
1151
1152 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1153
1154         PR fortran/83344
1155         PR fortran/83975
1156         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1157         determination of the character length of associate names. If
1158         the associate name is missing a length expression or the length
1159         expression is not a constant and the target is not a variable,
1160         make the associate name allocatable and deferred length.
1161         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1162         backend_decl for deferred length associate names that are not
1163         variables. Set 'length' to gfc_index_zero_node for character
1164         associate names, whose character length is a PARM_DECL.
1165
1166 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1167
1168         PR fortran/35339
1169         * frontend-passes.c (traverse_io_block): Remove workaround for
1170         PR 80945.
1171
1172 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1173
1174         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1175         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1176         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1177         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1178         data referenced when generating a call to caf_get_by_ref ().
1179         (conv_caf_send): Same but for caf_send_by_ref () and
1180         caf_sendget_by_ref ().
1181
1182 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1183
1184         PR fortran/84389
1185         * io.c (check_format): Allow FMT_COLON.
1186
1187 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1188
1189         PR fortran/80945
1190         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1191         the typenode in the case of deferred length characters.
1192
1193 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1194
1195         PR fortran/84270
1196         * frontend-passes (scalarized_expr):  If the expression
1197         is an assumed size array, leave in the last reference
1198         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1199         in order to avoid an error.
1200
1201 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1202
1203         PR fortran/84115
1204         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1205         has no string length expression, make the associate variable
1206         into a deferred length, allocatable symbol.
1207         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1208         the symbol.
1209         * trans-stmt.c (trans_associate_var): Null and free scalar
1210         associate names that are allocatable. After assignment, remove
1211         the allocatable attribute to prevent reallocation.
1212
1213 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1214
1215         PR fortran/84418
1216         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1217         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1218
1219 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1220
1221         PR fortran/84354
1222         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1223
1224 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1225
1226         PR fortran/84409
1227         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1228         length.
1229
1230 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1231
1232         PR fortran/84385
1233         * match.c (gfc_match_select_type): Fix check for selector in
1234         SELECT TYPE statement.
1235
1236 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1237
1238         PR fortran/84313
1239         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1240
1241 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1242             Janne Blomqvist  <jb@gcc.gnu.org>
1243
1244         * module.c (dump_module): Use lbasename to ensure that module
1245         files are reproducible.
1246
1247 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1248
1249         PR fortran/84273
1250         * resolve.c (resolve_component): Fix checks of passed argument in
1251         procedure-pointer components.
1252
1253 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1254
1255         PR fortran/35299
1256         * resolve.c (resolve_formal_arglist): Update error message.
1257
1258 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1259
1260         * gfortran.texi: Fix typos in documentation of caf_register ().
1261         * trans-array.c (structure_alloc_comps): Only register a component of
1262         a derived typed corray, not of an ultimate component coarray.
1263
1264 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1265
1266         PR fortran/54223
1267         PR fortran/84276
1268         * interface.c (compare_actual_formal): Add in_statement_function
1269         bool parameter.  Skip check of INTENT attribute for statement
1270         functions.  Arguments to a statement function cannot be optional,
1271         issue error for missing argument.
1272         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1273          in_statement_function.
1274
1275 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1276
1277         PR fortran/84074
1278         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1279         flag. If the is a vector subscript or the expression is not a
1280         variable, make the descriptor one-based.
1281
1282 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1283
1284         PR fortran/84141
1285         PR fortran/84155
1286         * trans-array.c (gfc_array_init_size): Revert the change made
1287         in revision 257356 setting the dtype.
1288         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1289         Call gfc_get_dtype_rank_type every time.
1290
1291         PR fortran/56691
1292         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1293         is a descriptor type, use its offset, removing the condition
1294         that is be a class expression.
1295
1296 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1297
1298         PR fortran/82994
1299         * match.c (gfc_match_deallocate): Check for NULL pointer.
1300
1301 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1302
1303         PR fortran/68560
1304         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1305         (gfc_conv_intrinsic_function): Call it.
1306
1307 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1308
1309         PR fortran/82049
1310         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1311         try to resolve it.  While here return early if possible.
1312
1313 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1314
1315         PR fortran/84115
1316         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1317         'length' if the symbol charlen backend_decl is an indirect ref.
1318
1319 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1320
1321         PR fortran/84141
1322         PR fortran/84155
1323         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1324         use gfc_get_dtype_rank_type.
1325
1326 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1327
1328         PR 83975
1329         PR 83344
1330         * resolve.c (resolve_assoc_var): Generate an error if
1331         target length unknown.
1332
1333 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1334
1335         PR fortran/83705
1336         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1337         to runtime, print a warning message.
1338
1339 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1340
1341         PR fortran/84116
1342         * openmp.c (gfc_match_omp_clauses): If all the linear
1343         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1344         nor set *head = NULL.  Formatting fixes.
1345
1346 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1347
1348         PR fortran/84088
1349         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1350         an address expression passed to an assumed rank dummy, convert
1351         to an indirect reference.
1352
1353 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1354
1355         * dump-parse-tree.c (write_proc): Use sym_name (which may
1356         be sym->binding_label) instead of sym->name.
1357
1358 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1359
1360         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1361         of int for slen.
1362
1363 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1364
1365         PR fortran/78534
1366         * trans-expr.c (fill_with_spaces): Use memset instead of
1367         generating loop.
1368         (gfc_trans_string_copy): Improve opportunity to use builtins with
1369         constant lengths.
1370
1371 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1372
1373         PR debug/84131
1374         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1375         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1376
1377 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1378
1379         PR fortran/84134
1380         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1381         zero, return false.
1382
1383 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1384
1385         PR fortran/84133
1386         * frontend-passes (matmul_to_var_expr): Return early if
1387         in association list.
1388         (inline_matmul_assign): Likewise.
1389
1390 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1391
1392         PR fortran/84073
1393         * resolve.c (resolve_component): Ensure BIND(C) character
1394         components have length one.
1395         (resolve_symbol): Likewise for variables.
1396
1397 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1398
1399         PR fortran/84065
1400         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1401         lengths.
1402
1403 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1404             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1405             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1406
1407         Partial support for Fortran 2018 teams features.
1408
1409         * array.c (gfc_match_array_ref): add team attribute in coarray
1410         transfers.
1411         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1412         functions for get_team and team_number.
1413         * dump-parse-tree.c (show_code_node): add new statements: form team,
1414         change team, end team, and sync team.
1415         * expr.c (gfc_find_team_co): add new function.
1416         * gfortran.h: add new statements.
1417         * intrinsic.c (add_functions): add get_team and team_number functions.
1418         * intrinsic.h: add get_team and team_number prototypes for check,
1419         simplify, and resolve.
1420         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1421         functions.
1422         * iso-fortran-env.def: add the team_type derived type.
1423         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1424         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1425         add change team, end team, form team, sync team match and functions.
1426         * match.h: add new prototypes for change team, end team, form team,
1427         and sync team.
1428         * parse.c (decode_statement): add cases for change team, end team,
1429         form team, and sync team.
1430         * resolve.c: add cases for exec form team, change team, end team, and
1431         sync team.
1432         * simplify.c (gfc_simplify_get_team): add new function for get team.
1433         * st.c (gfc_free_statement): add cases exec for change team, end team,
1434         form team, sync team.
1435         * trans-decl.c (gfor_fndecl_caf_form_team)
1436         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1437         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1438         (gfor_fndecl_caf_team_number): add functions and definitions.
1439         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1440         new function and team_type argument support.
1441         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1442         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1443         * trans-stmt.h: add new prototypes.
1444         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1445         * trans.c (trans_code): new exec cases for form team, change team, end
1446         team, and sync team.
1447         * trans.h: add new prototypes.
1448
1449 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1450
1451         PR fortran/83998
1452         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1453         or .false.  The summation does the correct type conversion.
1454         (gfc_simplify_dot_product): Special case zero-sized arrays.
1455
1456 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1457
1458         PR fortran/37577
1459         * array.c (gfc_match_array_ref): If standard earlier than F2008
1460         it is an error if the reference dimension is greater than 7.
1461         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1462         dtype masks and shifts accordingly.
1463         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1464         type node to check the field.
1465         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1466         (duplicate_allocatable_coarray): Access the rank field of the
1467         dtype descriptor rather than the dtype itself.
1468         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1469         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1470         (ie. a character).
1471         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1472         get_scalar_to_descriptor_type if the actual expression is a
1473         constant.
1474         (gfc_trans_structure_assign): Assign the rank directly to the
1475         dtype rank field.
1476         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1477         to default integer kind.
1478         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1479         'elem_len' field of the dtype.
1480         * trans-io.c (gfc_build_io_library_fndecls): Replace
1481         gfc_int4_type_node with dtype_type_node where necessary.
1482         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1483         scalars.
1484         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1485         dtype_type_node and, if necessary, build it.
1486         The maximum size of an array element is now determined by the
1487         maximum value of size_t.
1488         Update the description of the array descriptor, including the
1489         type def for the dtype_type.
1490         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1491         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1492         (gfc_get_array_descriptor_base): Change the type of the dtype
1493         field to dtype_type_node.
1494         (gfc_get_array_descr_info): Get the offset to the rank field of
1495         the dtype.
1496         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1497         * trans.h : Define the indices of the dtype fields.
1498
1499 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1500
1501         PR fortran/83866
1502         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1503         and emit error about garbage after declaration.
1504
1505 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1506
1507         PR fortran/83898
1508         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1509         for characters.
1510
1511 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1512
1513         PR 78534
1514         PR 83704
1515         * arith.c (gfc_arith_concat): Use size_t for string length.
1516         (gfc_compare_string): Likewise.
1517         (gfc_compare_with_Cstring): Likewise.
1518         * array.c (gfc_resolve_character_array_constructor): Use
1519         HOST_WIDE_INT, gfc_mpz_get_hwi.
1520         * check.c (gfc_check_fe_runtime_error): Use size_t.
1521         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1522         gfc_extract_hwi.
1523         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1524         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1525         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1526         gfc_extract_hwi.
1527         (gfc_apply_init): Likewise.
1528         * match.h (gfc_set_constant_character_len): Update prototype.
1529         * primary.c (match_string_constant): Use size_t.
1530         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1531         gfc_mpz_get_hwi.
1532         * simplify.c (init_result_expr): Likewise.
1533         (gfc_simplify_len_trim): Use size_t.
1534         * target-memory.c (gfc_encode_character): Use size_t.
1535         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1536         (interpret_array): Use size_t.
1537         (gfc_interpret_character): Likewise.
1538         * target-memory.h (gfc_encode_character): Update prototype.
1539         (gfc_interpret_character): Likewise.
1540         (gfc_target_interpret_expr): Likewise.
1541         * trans-const.c (gfc_build_string_const): Use size_t for length
1542         argument.
1543         (gfc_build_wide_string_const): Likewise.
1544         * trans-const.h (gfc_build_string_const): Likewise.
1545         (gfc_build_wide_string_const): Likewise.
1546
1547 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1548
1549         PR fortran/83900
1550     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1551
1552 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1553
1554         PR fortran/83900
1555         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1556
1557 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1558
1559         PR fortran/83864
1560         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1561
1562 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1563
1564         PR fortran/83874
1565         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1566
1567 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1568
1569         PR fortran/82257
1570         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1571         from symbol marked unlimited polymorphic.
1572         * resolve.c (resolve_structure_cons): Likewise.
1573         * misc.c (gfc_typename): Don't dereference derived->components
1574         if it's NULL.
1575
1576 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1577
1578         PR fortran/54613
1579         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1580         (gfc_logical_4_kind): New macro
1581         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1582         (gfc_simplify_maxloc): Likewise.
1583         (gfc_resolve_maxloc): Likewise.
1584         (gfc_resolve_minloc): Likewise.
1585         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1586         argument; also raise error if it is used (for now). Add it
1587         if it isn't present.
1588         * intrinsic.c (add_sym_4ml): Rename to
1589         (add_sym_5ml), adjust for extra argument.
1590         (add_functions): Add "back" constant. Adjust maxloc and minloc
1591         for back argument.
1592         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1593         not of gfc_logical_4_kind, convert.
1594         (gfc_resolve_minloc): Likewise.
1595         * simplify.c (gfc_simplify_minloc): Add back argument.
1596         (gfc_simplify_maxloc): Likewise.
1597         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1598         argument to %VAL to ensure passing by value.
1599         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1600         also for library calls.
1601
1602 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1603
1604         PR fortran/82007
1605         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1606         format specifiers in format strings. Set formatted to true if a
1607         format string or format label is present.
1608         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1609         whitespace.
1610
1611 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1612
1613         PR fortran/83744
1614         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1615         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1616         and BT_CHARACTER.
1617         (write_decl): Add where argument. Fix indentation. Replace
1618         assert with error message. Add typename to warning
1619         in comment.
1620         (write_type): Adjust locus to call of write_decl.
1621         (write_variable): Likewise.
1622         (write_proc): Likewise. Replace assert with error message.
1623
1624 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1625
1626         PR fortran/52162
1627         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1628         the rhs expression is neither an elemental nor a conversion
1629         function.
1630
1631         PR fortran/83622
1632         * trans-array.c (is_pointer_array): Remove unconditional return
1633         of false for -fopenmp.
1634
1635 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1636         <emsr@gcc.gnu.org>
1637
1638         PR fortran/83803
1639         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1640         for functions.
1641
1642 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1643
1644         PR fortran/82367
1645         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1646
1647 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1648
1649         PR fortran/83093
1650         * resolve.c (resolve_charlen): Check the type of cl->length
1651         after resolution.
1652
1653 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1654
1655         PR fortran/83740
1656         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1657
1658 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1659
1660         PR fortran/83740
1661         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1662         LHS type when assigning.
1663
1664 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1665
1666         PR fortran/83742
1667         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1668
1669 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1670
1671         * match.c (gfc_match_allocate): Check for NULL pointer.
1672
1673 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1674
1675         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1676
1677 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1678
1679         PR fortran/83611
1680         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1681         an initializer, convert the kind parameters and add to the
1682         component if the instance.
1683         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1684         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1685         for parameterized arrays. Clean up typos in comments. Convert
1686         parameterized array initializers and copy into the array.
1687         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1688         parameterized types.
1689         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1690         as necessary, when they are PDT function results for example.
1691
1692         PR fortran/83731
1693         * trans-array.c (structure_alloc_comps): Only compare len parms
1694         when they are declared explicitly.
1695
1696 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1697
1698         PR fortran/50892
1699         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1700         lhs type.
1701
1702 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1703
1704         PR fortran/78534
1705         PR fortran/66310
1706         * array.c (got_charlen): Use gfc_charlen_int_kind.
1707         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1708         hardcoded kind.
1709         (find_intrinsic_vtab): Likewise.
1710         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1711         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1712         (gfc_match_implicit): Use gfc_charlen_int_kind.
1713         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1714         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1715         * expr.c (gfc_get_character_expr): Length parameter of type
1716         gfc_charlen_t.
1717         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1718         (gfc_extract_hwi): New function.
1719         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1720         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1721         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1722         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1723         (gfc_mpz_set_hwi): Likewise.
1724         (gfc_charlen_t): New typedef.
1725         (gfc_expr): Use gfc_charlen_t for character lengths.
1726         (gfc_size_kind): New extern variable.
1727         (gfc_extract_hwi): New prototype.
1728         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1729         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1730         * gfortran.texi: Update description of hidden string length argument.
1731         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1732         (gfc_resolve_char_achar): Likewise.
1733         (gfc_resolve_repeat): Pass string length directly without
1734         temporary, use gfc_charlen_int_kind.
1735         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1736         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1737         * misc.c (gfc_mpz_get_hwi): New function.
1738         (gfc_mpz_set_hwi): New function.
1739         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1740         (parse_integer): Don't complain about large integers.
1741         (write_atom): Use HOST_WIDE_INT for integers.
1742         (mio_integer): Handle integer type mismatch.
1743         (mio_hwi): New function.
1744         (mio_intrinsic_op): Use HOST_WIDE_INT.
1745         (mio_array_ref): Likewise.
1746         (mio_expr): Likewise.
1747         * primary.c (match_substring): Use gfc_charlen_int_kind.
1748         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1749         (resolve_character_operator): Likewise.
1750         (resolve_assoc_var): Likewise.
1751         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1752         (resolve_charlen): Use mpz_sgn to determine sign.
1753         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1754         instead of long.
1755         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1756         * target-memory.c (size_character): Length argument of type
1757         gfc_charlen_t.
1758         (gfc_encode_character): Likewise.
1759         (gfc_interpret_character): Use gfc_charlen_t.
1760         * target-memory.h (gfc_encode_character): Modify prototype.
1761         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1762         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1763         (trans_array_constructor): Use existing type.
1764         (get_array_charlen): Likewise.
1765         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1766         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1767         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1768         (add_argument_checking): Likewise.
1769         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1770         gfc_charlen_type_node.
1771         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1772         4, fold_convert to correct type.
1773         (gfc_conv_class_to_class): Build const of type size_type_node for
1774         size.
1775         (gfc_copy_class_to_class): Likewise.
1776         (gfc_conv_string_length): Use same type in expression.
1777         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1778         (gfc_conv_string_tmp): Make sure len is of the right type.
1779         (gfc_conv_concat_op): Use same type in expression.
1780         (gfc_conv_procedure_call): Likewise.
1781         (fill_with_spaces): Comment out memset() block due to spurious
1782         -Wstringop-overflow warnings.
1783         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1784         (alloc_scalar_allocatable_for_subcomponent_assignment):
1785         fold_convert to right type.
1786         (gfc_trans_subcomponent_assign): Likewise.
1787         (trans_class_vptr_len_assignment): Build const of correct type.
1788         (gfc_trans_pointer_assignment): Likewise.
1789         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1790         type in expr.
1791         (trans_class_assignment): Build const of correct type.
1792         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1793         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1794         * trans-io.c (gfc_build_io_library_fndecls): Use
1795         gfc_charlen_type_node for character lengths.
1796         (set_string): Convert to right type in assignment.
1797         * trans-stmt.c (gfc_trans_label_assign): Build const of
1798         gfc_charlen_type_node.
1799         (trans_associate_var): Likewise.
1800         (gfc_trans_character_select): Likewise.
1801         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1802         (gfc_trans_deallocate): Don't typecast strlen result.
1803         * trans-types.c (gfc_size_kind): New variable.
1804         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1805         from size_type_node.
1806         * trans-types.h: Fix comment.
1807
1808 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1809
1810         PR fortran/83683
1811         PR fortran/45689
1812         * check.c (gfc_check_eoshift): Check for string length and
1813         for conformance of boundary.
1814         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1815         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1816         * simplify.c (gfc_simplify_eoshift): New function.
1817
1818 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1819             Alan Hayward  <alan.hayward@arm.com>
1820             David Sherwood  <david.sherwood@arm.com>
1821
1822         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1823
1824 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1825             Alan Hayward  <alan.hayward@arm.com>
1826             David Sherwood  <david.sherwood@arm.com>
1827
1828         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1829
1830 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1831
1832         PR fortran/83664
1833         * check.c (gfc_check_eoshift): Error for missing boundary if array
1834         is not one of the standard types.
1835
1836 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1837
1838         Update copyright years.
1839
1840         * gfortranspec.c (lang_specific_driver): Update copyright notice
1841         dates.
1842         * gfc-internals.texi: Bump @copying's copyright year.
1843         * gfortran.texi: Ditto.
1844         * intrinsic.texi: Ditto.
1845         * invoke.texi: Ditto.
1846
1847 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1848
1849         PR fortran/45689
1850         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1851         gfc_simplify_minloc to maxloc and minloc, respectively.
1852         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1853         and gfc_simplify_maxloc.
1854         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1855         to have a return value which indicates if the extremum was found.
1856         (is_constant_array_expr): Fix typo in comment.
1857         (simplify_minmaxloc_to_scalar): New function.
1858         (simplify_minmaxloc_nodim): New function.
1859         (new_array): New function.
1860         (simplify_minmaxloc_to_array): New function.
1861         (gfc_simplify_minmaxloc): New function.
1862         (simplify_minloc): New function.
1863         (simplify_maxloc): New function.
1864
1865 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1866
1867         PR fortran/45689
1868         PR fortran/83650
1869         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1870         range of arguments.
1871
1872 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1873
1874         PR fortran/83076
1875         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1876         allocatable and pointer scalars, when -fcoarray selected.
1877         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1878         field as well as the backend_decl.
1879         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1880         derived types that are not vtypes. Components with caf_token
1881         attribute are pvoid types. For a component requiring it, find
1882         the caf_token field and have the component token field point to
1883         its backend_decl.
1884
1885         PR fortran/83319
1886         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1887         field to the descriptor even when codimen not set.
1888 \f
1889 Copyright (C) 2018 Free Software Foundation, Inc.
1890
1891 Copying and distribution of this file, with or without modification,
1892 are permitted in any medium without royalty provided the copyright
1893 notice and this notice are preserved.