gcc/fortran/ChangeLog

   1 2018-08-22  Janus Weil  <janus@gcc.gnu.org>
   2
   3         PR fortran/86935
   4         * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE
   5         statement.
   6
   7 2018-08-22  Andrew Benson  <abensonca@gmail.com>
   8
   9         * module.c (load_generic_interfaces): Move call to find_symbol()
  10         so that only occurs if actually needed.
  11
  12 2018-08-22  Janus Weil  <janus@gcc.gnu.org>
  13
  14         PR fortran/86888
  15         * decl.c (gfc_match_data_decl): Allow allocatable components of
  16         indirectly recursive type.
  17         * resolve.c (resolve_component): Remove two errors messages ...
  18         (resolve_fl_derived): ... and replace them by a new one.
  19
  20 2018-08-21  Janne Blomqvist  <jb@gcc.gnu.org>
  21
  22         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use
  23         MAX_EXPR/MIN_EXPR unconditionally for real arguments.
  24         * gfortran.texi (Compiler Characteristics): Document MAX/MIN
  25         behavior wrt NaN.
  26
  27 2018-08-21  Nicolas Koenig  <koenigni@gcc.gnu.org>
  28         Thomas Koenig <tkoenig@gcc.gnu.org>
  29
  30         PR fortran/25829
  31         * gfortran.texi: Add description of asynchronous I/O.
  32         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  33         as volatile.
  34         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  35         st_wait_async and change argument spec from ".X" to ".w".
  36         (gfc_trans_wait): Pass ID argument via reference.
  37
  38 2018-08-16  Nathan Sidwell  <nathan@acm.org>
  39
  40         * cpp.c (dump_macro): Use cpp_user_macro_p.
  41
  42 2018-08-14  Janus Weil  <janus@gcc.gnu.org>
  43
  44         PR fortran/86116
  45         * interface.c (compare_type): Remove a CLASS/TYPE check.
  46         (compare_type_characteristics): New function that behaves like the old
  47         'compare_type'.
  48         (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
  49         Call 'compare_type_characteristics' instead of 'compare_type'.
  50
  51 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  52
  53         PR fortran/66679
  54         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
  55         elements are returned as references to the data element. Get
  56         the class expression by stripping back the references. Use this
  57         for the element size.
  58
  59 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  60
  61         PR fortran/86906
  62         * resolve.c (resolve_fl_variable_derived): Check if the derived
  63         type is use associated before checking for the host association
  64         error.
  65
  66 2018-08-10  Janus Weil  <janus@gcc.gnu.org>
  67
  68         PR fortran/57160
  69         * invoke.texi (frontend-optimize): Mention short-circuiting.
  70         * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
  71         * resolve.c (resolve_operator): Warn about short-circuiting only with
  72         -ffrontend-optimize.
  73         * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
  74         with -ffrontend-optimize. Without that flag, make sure that both
  75         operands are evaluated.
  76
  77 2018-08-08  Nathan Sidwell  <nathan@acm.org>
  78
  79         * cpp.c (cb_file_change): Use linemap_included_from.
  80
  81 2018-08-07  Cesar Philippidis  <cesar@codesourcery.com>
  82
  83         * trans-stmt.h: Remove stale reference to trans-openacc.c.
  84
  85 2018-08-04  Janus Weil  <janus@gcc.gnu.org>
  86
  87         PR fortran/45521
  88         * interface.c (gfc_compare_interfaces): Apply additional
  89         distinguishability criteria of F08 to operator interfaces.
  90
  91 2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>
  92
  93         Revert 'AsyncI/O patch committed'
  94         2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  95                 Thomas Koenig <tkoenig@gcc.gnu.org>
  96
  97         PR fortran/25829
  98         * gfortran.texi: Add description of asynchronous I/O.
  99         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
 100         as volatile.
 101         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
 102         st_wait_async and change argument spec from ".X" to ".w".
 103         (gfc_trans_wait): Pass ID argument via reference.
 104
 105 2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
 106         Thomas Koenig <tkoenig@gcc.gnu.org>
 107
 108         PR fortran/25829
 109         * gfortran.texi: Add description of asynchronous I/O.
 110         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
 111         as volatile.
 112         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
 113         st_wait_async and change argument spec from ".X" to ".w".
 114         (gfc_trans_wait): Pass ID argument via reference.
 115
 116 2018-07-20  Martin Sebor  <msebor@redhat.com>
 117
 118         PR middle-end/82063
 119         * gfortran.h (gfc_handle_option): Change function argument
 120         to HOST_WIDE_INT.
 121         * options.c (gfc_handle_option): Same.
 122
 123 2018-07-20  Andrew Benson  <abenson@carnegiescience.edu>
 124
 125         * gfortran.h (gfc_symbol): Add pointer to next derived type.
 126         (gfc_dt_list, gfc_get_dt_list): Remove.
 127         (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
 128         * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
 129         simple nullification of gfc_derived_types.
 130         * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
 131         gfc_symbol.
 132         (add_dt_to_dt_list): Change derived type linked list insertion to
 133         utilize dt_next pointers in gfc_symbol.
 134         * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
 135         (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
 136         gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
 137         linked list search/insertion to utilize dt_next pointers in gfc_symbol.
 138         * trans-types.c (gfc_get_derived_type): Change derived type linked
 139         list search to utilize dt_next pointers in gfc_symbol.
 140
 141 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 142
 143         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
 144         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
 145
 146 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
 147             Thomas Koenig  <tkoenig@gcc.gnu.org>
 148
 149         PR fortran/85599
 150         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
 151         * frontend-passes.c (do_warn_function_elimination): Do not warn for
 152         pure functions.
 153         * gfortran.h: Add prototypes for gfc_pure_function and
 154         gfc_implicit_pure_function.
 155         * gfortran.texi: Add chapter on evaluation of logical expressions.
 156         * invoke.texi: Mention that -Wfunction-elimination is implied
 157         by -Wextra.
 158         * lang.opt: Make -Wextra imply -Wfunction-elimination.
 159         * resolve.c (pure_function): Rename to gfc_pure_function.
 160         (gfc_implicit_pure_function): New function.
 161         (check_pure_function): Use it here.
 162         (impure_function_callback): New function.
 163         (resolve_operator): Call it via gfc_expr_walker.
 164
 165 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 166
 167         PR fortran/83184
 168         * decl.c (match_old_style_init): Initialize locus of variable expr when
 169         creating a data variable.
 170         (match_clist_expr): Verify array is explicit shape/size before
 171         attempting to allocate constant array constructor.
 172
 173 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 174
 175         PR fortran/86417
 176         * module.c (mio_component): Set component->loc when loading from module.
 177
 178 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 179
 180         PR fortran/86421
 181         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
 182         _UVAL suffixes.
 183         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
 184         on linear clauses.  Initialize n->where to gfc_current_locus.
 185
 186 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
 187
 188         PR fortran/86408
 189         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
 190         in F2008 and not F2003.
 191         (resolve_function): Ditto in error message. Also, exclude
 192         deferred character length results from the error.
 193
 194 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
 195
 196         PR fortran/83183
 197         PR fortran/86325
 198         * expr.c (class_allocatable, class_pointer, comp_allocatable,
 199         comp_pointer): New helpers.
 200         (component_initializer): Generate EXPR_NULL for allocatable or pointer
 201         components. Do not generate initializers for components within BT_CLASS.
 202         Do not assign to comp->initializer.
 203         (gfc_generate_initializer): Use new helpers; move code to generate
 204         EXPR_NULL for class allocatable components into component_initializer().
 205
 206 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 207
 208         PR fortran/82009
 209         * trans-decl.c (gfc_process_block_locals): Delete assert and set
 210         saved_local_decls = NULL_TREE.
 211
 212 2018-07-02  Richard Biener  <rguenther@suse.de>
 213
 214         PR lto/86321
 215         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
 216         for the distinct type copy.
 217
 218 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 219
 220         PR fortran/82969
 221         PR fortran/86242
 222         * trans-array.c (structure_alloc_comps): Do not explicitly copy
 223         procedure pointer components.
 224
 225 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 226
 227         PR fortran/45305
 228         * expr.c : Add a prototype for scalarize_intrinsic_call.
 229         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
 230         intrinsic function calls.
 231         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
 232         the expression or any of the actual argument expressions are
 233         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
 234         Only simplify the scalarized expressions if there are no errors
 235         on the stack.
 236         (gfc_check_init_expr): Set 'init_flag' true in the call to
 237         scalarize_intrinsic_call.
 238
 239 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 240
 241         PR fortran/82865
 242         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 243
 244 2018-06-28  Martin Liska  <mliska@suse.cz>
 245
 246         * gfortranspec.c: Include opt-suggestions.h.
 247
 248 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 249
 250         PR fortran/82972
 251         PR fortran/83088
 252         PR fortran/85851
 253         * expr.c (component_initializer): Assign init expr to c->initializer.
 254         (generate_isocbinding_initializer): New.
 255         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 256         generate initializers for c_ptr and c_funptr with -finit-derived.
 257
 258 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 259
 260         PR fortran/85983
 261         * interface.c (check_dtio_interface1): Delete assert.
 262
 263 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 264             Rainer Orth  <ro@gcc.gnu.org>
 265
 266         PR fortran/86281
 267         * resolve.c (resolve_contained_fntype): Check for the charlen
 268         before testing the length.
 269
 270 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 271
 272         PR fortran/49630
 273         * resolve.c (resolve_contained_fntype): Change standard ref.
 274         from F95 to F2003: C418. Correct a spelling error in a comment.
 275         It is an error for an abstract interface to have an assumed
 276         character length result.
 277         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 278         standard reference.
 279
 280 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 281
 282         PR fortran/83118
 283         * resolve.c (resolve_ordinary_assign): Force the creation of a
 284         vtable for assignment of non-polymorphic expressions to an
 285         unlimited polymorphic object.
 286         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 287         size of the rhs type for such assignments. Set the dtype, _len
 288         and vptrs appropriately.
 289         * trans-expr.c (gfc_trans_assignment): Force the use of the
 290         _copy function for these assignments.
 291
 292 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 293             Thomas Schwinge <thomas@codesourcery.com>
 294             Cesar Philippidis  <cesar@codesourcery.com>
 295
 296         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 297         bitfields.
 298         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 299         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 300         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 301         create, deviceptr, present_of_*. Add support for finalize and
 302         if_present.
 303         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 304         (OACC_KERNELS_CLAUSES): Likewise.
 305         (OACC_DATA_CLAUSES): Likewise.
 306         (OACC_DECLARE_CLAUSES): Likewise.
 307         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 308         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 309         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 310         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 311         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 312         and FINALIZE.
 313
 314 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 315
 316         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 317
 318 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 319
 320         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 321         (nonlocal_dummy_decls): Likewise.
 322         (gfc_nonlocal_dummy_array_decl): Likewise.
 323         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 324         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 325         reusing the result of a recursive call.
 326         (gfc_generate_function_code): Do not create, insert and destroy
 327         nonlocal_dummy_decls.
 328
 329 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 330
 331         PR fortran/86110
 332         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 333         pointer dereference.
 334
 335 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 336
 337         PR fortran/85703
 338         * parse.c (decode_oacc_directive): Set gfc_matching_function
 339         to false.
 340         (decode_omp_directive): Likewise.
 341
 342 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 343
 344         PR fortran/85702
 345         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 346
 347 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 348
 349         PR other/69968
 350         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 351         levenshtein_distance to get_edit_distance.
 352
 353 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 354
 355         PR fortran/44491
 356         * expr.c (gfc_check_assign): Select non-NULL locus.
 357
 358 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 359
 360         PR fortran/45521
 361         * interface.c (compare_ptr_alloc): New function.
 362         (generic_correspondence): Call it.
 363
 364 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 365
 366         * gfortran.h (gfc_expr): Add no_bounds_check field.
 367         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 368         on function and function argument.
 369         (inline_matmul_assign): Set no_bounds_check on zero expression
 370         and on lhs of zero expression.
 371         Also handle A1B2 case if realloc on assigment is active.
 372         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 373         if expr has no_bounds_check set.
 374         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 375         has it set.
 376         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 377         on lss and lss if the corresponding expressions have it set.
 378
 379 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 380
 381         PR fortran/79854
 382         * trans-const.c: Remove include "diagnostic-core.h".
 383         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 384
 385 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 386
 387         PR fortran/85088
 388         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 389         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 390         and remove a TODO note.
 391         * gfortran.h: Add a comment to sym_intent.
 392
 393 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 394
 395         PR fortran/38351
 396         * resolve.c (resolve_operator): Provide better error message for
 397         derived type entity used in an binary intrinsic numeric operator.
 398
 399 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 400
 401         PR fortran/85138
 402         PR fortran/85996
 403         PR fortran/86051
 404         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 405         reduce a charlen to a constant.
 406
 407 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 408
 409         PR fortran/78278
 410         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 411         an error for double initialization of CHARACTER entities.
 412
 413 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 414
 415         PR fortran/63514
 416         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 417
 418 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 419
 420         PR fortran/85631
 421         * trans.h (gfc_ss): Add field no_bounds_check.
 422         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 423         ss->no_bounds_check is set, do not use runtime checks.
 424         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 425         for reallocatable lhs.
 426
 427 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 428
 429         PR fortran/86059
 430         * array.c (match_array_cons_element): NULL() cannot be in an
 431         array constructor.
 432
 433 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 434
 435         PR fortran/78571
 436         * data.c (create_character_initializer): Return early if type is
 437         incompatible with CHARACTER.
 438
 439 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 440
 441         PR fortran/86045
 442         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 443         'P' is zero and issue an error if it is.
 444
 445 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 446
 447         PR fortran/85641
 448         * frontend-passes.c (is_fe_temp): Add prototype.
 449         (realloc_string_callback): Early return for frontend-generated
 450         temporary.
 451
 452 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 453
 454         PR fortran/85701
 455
 456         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 457         subroutine data clause arguments.
 458
 459 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 460
 461         PR fortran/85981
 462         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 463         character kind.
 464
 465 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 466
 467         PR fortran/36497
 468         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 469
 470 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 471
 472         PR fortran/63570
 473         * check.c (gfc_check_random_init): New function. Check arguments of
 474         RANDOM_INIT.
 475         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 476         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 477         subroutines.
 478         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 479         * intrinsic.h: Add prototypes for gfc_check_random_init and
 480         gfc_resolve_random_init
 481         * intrinsic.texi: Document new intrinsic subprogram.
 482         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 483         * trans-decl.c: Declare gfor_fndecl_random_init
 484         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 485         Translate call to RANDOM_INIT.
 486         (gfc_conv_intrinsic_subroutine): Call it.
 487         * trans.h: Declare gfor_fndecl_random_init
 488
 489 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 490
 491         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 492         initialization in a data statement.
 493
 494 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 495
 496         PR fortran/85839
 497         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 498         an obsolescent feature in Fortran 2018.
 499         (gfc_match_equivalence): Ditto.
 500         * resolve.c (resolve_common_blocks): Ditto.
 501         (gfc_resolve_forall): Ditto.
 502         * symbol.c (gfc_define_st_label): Ditto.
 503
 504 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 505
 506         PR fortran/85543
 507         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 508         pointer dereference.
 509
 510 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 511
 512         PR fortran/85780
 513         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 514
 515 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 516
 517         PR fortran/85779
 518         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 519
 520 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 521
 522         PR fortran/85895
 523         * resolve.c (resolve_sync): Resolve expression before checking for
 524         an error.
 525
 526 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 527
 528         PR fortran/85841
 529         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 530         GFC_STD_OPT_F08TS.
 531         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 532         * options.c (set_default_std_flags): Ditto.
 533         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 534         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 535         GFC_STD_F2018.
 536         * check.c (gfc_check_atomic, gfc_check_event_query,
 537         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 538         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 539         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 540         * intrinsic.c (add_functions, add_subroutines,
 541         gfc_check_intrinsic_standard): Ditto.
 542         * iso-c-binding.def: Ditto.
 543         * iso-fortran-env.def: Ditto.
 544         * match.c (gfc_match_event_post, gfc_match_event_wait,
 545         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 546         gfc_match_end_team, gfc_match_sync_team): Ditto.
 547         * gfortran.texi: Remove mention of -std=f2008ts.
 548         Move TSs into F2018 section.
 549         * invoke.texi: Update documentation of -std=f2008ts.
 550
 551 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 552
 553         PR fortran/85841
 554         * libgfortran.h: New macros GFC_STD_OPT_*.
 555         * error.c (notify_std_msg): New function.
 556         (gfc_notify_std): Adjust such that it can handle combinations of
 557         GFC_STD_* flags in the 'std' argument, not just a single one.
 558         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 559         in Fortran 2018.
 560         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 561         * options.c (set_default_std_flags): Warn for F2018 deleted features
 562         by default.
 563         (gfc_handle_option): F2018 deleted features are allowed in earlier
 564         standards.
 565         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 566         nonblock do constructs in Fortran 2018.
 567
 568 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 569
 570         PR fortran/80657
 571         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 572         test for self refs to the function result in the character len
 573         expression. If a self reference is found, emit an error and
 574         return true.
 575         (resolve_fntype): Use the function symbol in the calls to the
 576         above.
 577
 578 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 579
 580         PR fortran/49636
 581         * trans-array.c (gfc_get_array_span): Renamed from
 582         'get_array_span'.
 583         (gfc_conv_expr_descriptor): Change references to above.
 584         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 585         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 586         blocks for 'arg1'.
 587         * trans-stmt.c (trans_associate_var): If the associate name is
 588         a subref array pointer, use gfc_get_array_span for the span.
 589
 590 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 591
 592         PR fortran/82275
 593         * match.c (gfc_match_type_spec): Go through the array ref and
 594         decrement 'rank' for every dimension that is an element.
 595
 596 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 597
 598         PR fortran/82923
 599         PR fortran/66694
 600         PR fortran/82617
 601         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 602         charlen backend_decl of the rhs expr to ss->info->string_length
 603         so that the value in the current scope is used.
 604
 605 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 606
 607         PR fortran/63529
 608         * gfortran.texi: Clarify documentation for Cray pointer and
 609         assumed-sized array.
 610
 611 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 612
 613         PR fortran/85742
 614         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 615         of 'size'. If the element type is a pointer use the size of the
 616         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 617         case, set the size to zero.
 618
 619 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 620
 621         * gfortran.h: Remove prototype.
 622         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 623
 624 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 625
 626         PR fortran/85542
 627         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 628
 629 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 630
 631         PR fortran/85687
 632         * check.c (gfc_check_rank): Check that the argument is a data object.
 633
 634 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 635
 636         PR fortran/85521
 637         * array.c (gfc_resolve_character_array_constructor): Substrings
 638         with upper bound smaller than lower bound are zero length strings.
 639
 640 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 641
 642         PR fortran/70870
 643         * data.c (gfc_assign_data_value): Check that a data object does
 644         not also have default initialization.
 645
 646 2018-05-10  Marek Polacek  <polacek@redhat.com>
 647
 648         PR fortran/85735
 649         * options.c (gfc_post_options): Set main_input_filename.
 650
 651 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 652
 653         PR fortran/54613
 654         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 655
 656 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 657
 658         PR fortran/68846
 659         PR fortran/70864
 660         * resolve.c (get_temp_from_expr): The temporary must not have
 661         dummy or intent attributes.
 662
 663 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 664
 665         PR fortran/54613
 666         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 667         implemented.  Use gfc_logical_4_kind for BACK.
 668         * simplify.c (min_max_choose): Add optional argument back_val.
 669         Handle it.
 670         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 671         back_val to min_max_choose.
 672         (simplify_minmaxloc_to_nodim): Likewise.
 673         (simplify_minmaxloc_to_array): Likewise.
 674         (gfc_simplify_minmaxloc): Add argument back, handle it.
 675         Pass back_val to specific simplification functions.
 676         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 677         pass it on to gfc_simplify_minmaxloc.
 678         (gfc_simplify_maxloc): Likewise.
 679         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 680         comment. If BACK is true, use greater or equal (or lesser or
 681         equal) insteal of greater (or lesser). Mark the condition of
 682         having found a value which exceeds the limit as unlikely.
 683
 684 2018-05-07  Jeff Law  <law@redhat.comg>
 685
 686         * scanner.c (preprocessor_line): Call linemap_add after a line
 687         directive that changes the current filename.
 688
 689 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 690
 691         PR fortran/85507
 692         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 693         introduced by r259385.
 694         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 695         same variables in coarray assignments.
 696
 697 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 698
 699         PR libgomp/82428
 700         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 701
 702 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 703
 704         PR fortran/85520
 705         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 706
 707 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 708
 709         PR fortran/81773
 710         PR fortran/83606
 711         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 712         during dependency computation.  They define no data dependency.
 713         * trans-array.c (conv_array_index_offset): The stride can not be set
 714         here, prevent fail.
 715         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 716         for caf_get's result and copying to the array with vectorial
 717         indexing.
 718
 719 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 720
 721         PR fortran/85387
 722         * frontend-passes.c (traverse_io_block): Check for start, end or
 723         stride being defined by an outer implied DO loop.
 724
 725 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 726
 727         PR fortran/83064
 728         PR testsuite/85346
 729         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 730         for annotation and remove dependence on -ftree-parallelize-loops.
 731
 732 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 733
 734         PR fortran/85313
 735         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 736         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 737
 738 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 739
 740         PR fortran/83064
 741         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 742         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 743         is set.
 744
 745 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 746
 747         PR fortran/51260
 748         * resolve.c (resolve_variable): Simplify cases where access to a
 749         parameter array results in a single constant.
 750
 751 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 752
 753         PR fortran/85102
 754         * decl.c (variable_decl): If upper or lower bounds simplify
 755         to a constant, use that.
 756
 757 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 758
 759         PR fortran/84931
 760         * simplify.c (gfc_convert_constant): Handle case of array
 761         constructors within an array that has no iterator and improve
 762         the conciseness of this section of code.
 763
 764 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 765
 766         PR fortran/85111
 767         * array.c (gfc_resolve_character_array_constructor): Early
 768         exit for zero-size arrays.
 769         * simplify.c (simplify_transformation_to_array): Exit early
 770         if the result size is zero.
 771         (simplify_minmaxloc_to_array): Likewise.
 772
 773 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 774
 775         PR fortran/69497
 776         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 777         from the root.
 778         (gfc_free_namespace): Restore assert (revert r258839).
 779
 780 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 781
 782         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 783         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 784         (IOPARM_dt_dec_ext): ... this.
 785         * trans-io.c (build_dt): Adjust for default_exp renaming to
 786         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 787         * io.c (match_io): Likewise.
 788
 789 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 790
 791         PR fortran/85084
 792         * frontend-passes.c (gfc_run_passes): Do not run front-end
 793         optimizations if a previous error occurred.
 794
 795 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 796         Harald Anlauf  <anlauf@gmx.de>
 797
 798         PR fortran/85083
 799         * primary.c (gfc_convert_to_structure_constructor): Check
 800         conformance of argument types in structure constructor.
 801
 802 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 803
 804         PR fortran/66709
 805         * io.c: Include constructor.h.
 806         (resolve_tag_format): For a constant character array, concatenate
 807         into a single character expression.
 808
 809 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 810         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 811
 812         PR fortran/84924
 813         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 814         scalar derived type with -std=f2003 and -std=f2008.
 815
 816 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 817             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 818
 819         PR fortran/69497
 820         * symbol.c (gfc_free_namespace): Delete the assert and only if
 821         refs count is equals zero, free the namespace. Otherwise,
 822         something is halfway and other errors will resound.
 823
 824 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 825
 826         PR fortran/70068
 827         * expr.c (find_substring_ref): Change types of start, end
 828         and length variables to gfc_charlen_t. Set length to zero
 829         for empty substring.
 830
 831 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 832
 833         PR fortran/42651
 834         * decl.c (check_function_name): Improved error message
 835         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 836
 837 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 838
 839         PR fortran/84922
 840         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 841         body, then it must appear on the contained subroutine or function.
 842         While here, fix nearby mis-indented code.
 843
 844 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 845         Harald Anlauf  <anlauf@gmx.de>
 846
 847         PR fortran/84957
 848         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 849
 850 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 851
 852         PR fortran/84615
 853         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 854         gfc_charlen_type_node when calling procedure.
 855
 856 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 857
 858         PR fortran/85001
 859         * interface.c (symbol_rank): Remove bogus null pointer check that
 860         crept in when translating a ternary operator into an if-else
 861         constructor.
 862
 863 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 864
 865         PR fortran/84931
 866         * simplify.c (gfc_convert_constant): Correctly handle iterators
 867         for type conversion.
 868
 869 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 870
 871         PR fortran/77414
 872         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 873         the contain portion of a subroutine.  Change language of existing
 874         error message to better describe the issue. While here fix whitespace
 875         issues.
 876
 877 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 878
 879         PR fortran/65453
 880         * decl.c (get_proc_name): Catch clash between a procedure statement
 881         and a contained subprogram
 882
 883 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 884
 885         PR fortran/69395
 886         * decl.c (merge_array_spec): Correct the error condition.
 887
 888 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 889
 890         PR fortran/78741
 891         * decl.c (get_proc_name):  Check for clash of entry name with
 892         subroutine name.
 893
 894 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 895
 896         PR fortran/69395
 897         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 898         dimensions, and issue error message if limit is exceeded.
 899
 900 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 901
 902         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 903         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 904         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 905         * intrinsic.texi: Update documentation.
 906         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 907         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 908         gfor_fndecl_kill and gfor_fndecl_kill_sub
 909         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 910         functions.
 911         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 912         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 913         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 914
 915 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 916
 917         PR fortran/84546
 918         * trans-array.c (structure_alloc_comps): Make sure that the
 919         vptr is copied and that the unlimited polymorphic _len is used
 920         to compute the size to be allocated.
 921         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 922         unlimited polymorphic _len for the offset to the element.
 923         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 924         * trans.h : Add the boolean 'unlimited' to the prototype.
 925
 926 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 927
 928         PR fortran/83939
 929         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 930
 931 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 932
 933         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 934         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 935         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 936         keywords for KILL.  Remove redundant *back="back" in favor of the
 937         original *bck="back".
 938         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 939         for KILL.
 940         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 941         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 942         correct function.
 943         (gfc_resolve_rename_sub): Add comment.
 944
 945 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 946
 947         PR fortran/66128
 948         * simplify.c (simplify_transformation): Return default result for
 949         empty array argument.
 950         (gfc_simplify_all): Remove special-case handling for zerosize.
 951         (gfc_simplify_any): Likewise.
 952         (gfc_simplify_count): Likewise.
 953         (gfc_simplify_iall): Likewise.
 954         (gfc_simplify_iany): Likewise.
 955         (gfc_simplify_iparity): Likewise.
 956         (gfc_simplify_minval): Likewise.
 957         (gfc_simplify_maxval): Likewise.
 958         (gfc_simplify_norm2): Likewise.
 959         (gfc_simplify_product): Likewise.
 960         (gfc_simplify_sum): Likewise.
 961
 962 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 963
 964         PR fortran/84734
 965         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 966         the expression up the chain instead of a NULL pointer.
 967
 968 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 969
 970         PR fortran/64124
 971         PR fortran/70409
 972         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 973
 974 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 975
 976         PR fortran/84697
 977         PR fortran/66128
 978         * expr.c (simplify_parameter_variable): If p is a size zero array
 979         and not an ARRAY_EXPR insert an empty array constructor and
 980         return.
 981         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 982         * simplify.c (is_size_zero_array): Make non-static and rename into
 983         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 984         size by comparing shape and absence of constructor.
 985         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 986         is_size_zero_array.
 987         (gfc_simplify_count): Likewise.
 988         (gfc_simplify_iall): Likewise.
 989         (gfc_simplify_iany): Likewise.
 990         (gfc_simplify_iparity): Likewise.
 991         (gfc_simplify_minval): Likewise.
 992         (gfc_simplify_maxval): Likewise.
 993         (gfc_simplify_product): Likewise.
 994         (gfc_simplify_sum): Likewise.
 995
 996 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 997
 998         PR fortran/56667
 999         * primary.c (match_sym_complex_part): Give the matcher for an implied
1000         do-loop a chance to run.
1001
1002 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
1003
1004         PR fortran/71085
1005         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
1006         dereference NULL pointer.
1007
1008 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
1009
1010         PR fortran/66128
1011         * simplify.c (is_size_zero_array): New function to check for size
1012         zero array.
1013         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
1014          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
1015          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
1016          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
1017         requirements from F2018.
1018
1019 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
1020
1021         PR fortran/51434
1022         * simplify.c (gfc_simplify_transfer): Resolve mold.
1023
1024 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
1025
1026         PR fortran/80965
1027         * resolve.c (build_loc_call): Change symtree name from 'loc' to
1028         '_loc'.
1029
1030 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1031
1032         PR fortran/84219
1033         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
1034         components are caf tokens.
1035         (gfc_target_interpret_expr): Treat BT_VOID expressions as
1036         integers.
1037
1038 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1039
1040         PR fortran/84538
1041         * class.c (class_array_ref_detected): Remove the condition that
1042         there be no reference after the array reference.
1043         (find_intrinsic_vtab): Remove excess whitespace.
1044         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1045         as 'base and call build_class_array_ref earlier.
1046
1047 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
1048
1049         PR fortran/83901
1050         * trans-stmt.c (trans_associate_var): Make sure that the se
1051         expression is a pointer type before converting it to the symbol
1052         backend_decl type.
1053
1054 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
1055
1056         PR fortran/83633
1057         * decl.c (variable_decl): Check that an explicit-shape-array with
1058         nonconstant bounds is allowed.
1059
1060 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
1061
1062         PR fortran/84523
1063         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1064         has a pre block, add it to the expression pre block.
1065
1066 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
1067
1068         PR fortran/78238
1069         * gfortran.h (gfc_integer_4_kind): Define.
1070         * resolve.c (resolve_select_type): Make sure that the
1071         kind of c->high is gfc_integer_4_kind.
1072
1073 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
1074
1075         PR fortran/30792
1076         * decl.c (gfc_match_data): Check for invalid substring in
1077         data-implied-do
1078
1079 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1080
1081         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1082
1083 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1084
1085         PR fortran/84511
1086         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1087
1088 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1089
1090         PR fortran/84346
1091         * interface.c (compare_actual_formal): Issue error if keyword is
1092         used in a statement function.
1093
1094 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1095
1096         PR fortran/84506
1097         * trans-io.c (set_parameter_value_inquire): Adjust range check of
1098         negative unit values for kind=8 units to the kind=4 negative limit.
1099
1100 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1101
1102         PR fortran/83149
1103         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1104         accessing its components.
1105
1106 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1107
1108         PR fortran/83149
1109         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1110         before accessing its components.
1111
1112 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1113
1114         PR fortran/83148
1115         * trans-const.c : Clean up some whitespace issues.
1116         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1117         derived type has a kind value of zero, set it to the default
1118         integer kind.
1119
1120 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
1121
1122         PR fortran/84519
1123         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1124         argument to stop and error stop decls.
1125         * trans-stmt.c (gfc_trans_stop): Add false value to argument
1126         lists.
1127
1128 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1129
1130         PR 78534
1131         PR 84509
1132         * trans-decl.c (gfc_build_builtin_function_decls): Pass
1133         gfc_int8_type node to pause_numeric, size_type_node to
1134         pause_string.
1135         * trans-stmt.c (gfc_trans_pause): Likewise.
1136
1137 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1138
1139         * gfortran.texi: Update Coarray API description.
1140         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1141         character lengths, int for exit codes.
1142         (generate_coarray_sym_init): Use size_t for character length.
1143         * trans-intrinsic.c (conv_co_collective): Likewise.
1144         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1145         (gfc_trans_event_post_wait): Likewise.
1146         (gfc_trans_sync): Likewise.
1147         (gfc_trans_stop): Use size_t for character lengths, int for exit
1148         codes.
1149
1150 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1151
1152         PR fortran/48890
1153         PR fortran/83823
1154         * primary.c (gfc_convert_to_structure_constructor):
1155         For a constant string constructor, make sure the length
1156         is correct.
1157
1158 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1159
1160         PR fortran/83344
1161         PR fortran/83975
1162         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1163         determination of the character length of associate names. If
1164         the associate name is missing a length expression or the length
1165         expression is not a constant and the target is not a variable,
1166         make the associate name allocatable and deferred length.
1167         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1168         backend_decl for deferred length associate names that are not
1169         variables. Set 'length' to gfc_index_zero_node for character
1170         associate names, whose character length is a PARM_DECL.
1171
1172 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1173
1174         PR fortran/35339
1175         * frontend-passes.c (traverse_io_block): Remove workaround for
1176         PR 80945.
1177
1178 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1179
1180         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1181         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1182         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1183         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1184         data referenced when generating a call to caf_get_by_ref ().
1185         (conv_caf_send): Same but for caf_send_by_ref () and
1186         caf_sendget_by_ref ().
1187
1188 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1189
1190         PR fortran/84389
1191         * io.c (check_format): Allow FMT_COLON.
1192
1193 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1194
1195         PR fortran/80945
1196         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1197         the typenode in the case of deferred length characters.
1198
1199 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1200
1201         PR fortran/84270
1202         * frontend-passes (scalarized_expr):  If the expression
1203         is an assumed size array, leave in the last reference
1204         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1205         in order to avoid an error.
1206
1207 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1208
1209         PR fortran/84115
1210         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1211         has no string length expression, make the associate variable
1212         into a deferred length, allocatable symbol.
1213         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1214         the symbol.
1215         * trans-stmt.c (trans_associate_var): Null and free scalar
1216         associate names that are allocatable. After assignment, remove
1217         the allocatable attribute to prevent reallocation.
1218
1219 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR fortran/84418
1222         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1223         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1224
1225 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1226
1227         PR fortran/84354
1228         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1229
1230 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1231
1232         PR fortran/84409
1233         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1234         length.
1235
1236 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1237
1238         PR fortran/84385
1239         * match.c (gfc_match_select_type): Fix check for selector in
1240         SELECT TYPE statement.
1241
1242 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1243
1244         PR fortran/84313
1245         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1246
1247 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1248             Janne Blomqvist  <jb@gcc.gnu.org>
1249
1250         * module.c (dump_module): Use lbasename to ensure that module
1251         files are reproducible.
1252
1253 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1254
1255         PR fortran/84273
1256         * resolve.c (resolve_component): Fix checks of passed argument in
1257         procedure-pointer components.
1258
1259 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1260
1261         PR fortran/35299
1262         * resolve.c (resolve_formal_arglist): Update error message.
1263
1264 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1265
1266         * gfortran.texi: Fix typos in documentation of caf_register ().
1267         * trans-array.c (structure_alloc_comps): Only register a component of
1268         a derived typed corray, not of an ultimate component coarray.
1269
1270 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1271
1272         PR fortran/54223
1273         PR fortran/84276
1274         * interface.c (compare_actual_formal): Add in_statement_function
1275         bool parameter.  Skip check of INTENT attribute for statement
1276         functions.  Arguments to a statement function cannot be optional,
1277         issue error for missing argument.
1278         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1279          in_statement_function.
1280
1281 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1282
1283         PR fortran/84074
1284         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1285         flag. If the is a vector subscript or the expression is not a
1286         variable, make the descriptor one-based.
1287
1288 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1289
1290         PR fortran/84141
1291         PR fortran/84155
1292         * trans-array.c (gfc_array_init_size): Revert the change made
1293         in revision 257356 setting the dtype.
1294         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1295         Call gfc_get_dtype_rank_type every time.
1296
1297         PR fortran/56691
1298         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1299         is a descriptor type, use its offset, removing the condition
1300         that is be a class expression.
1301
1302 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1303
1304         PR fortran/82994
1305         * match.c (gfc_match_deallocate): Check for NULL pointer.
1306
1307 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1308
1309         PR fortran/68560
1310         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1311         (gfc_conv_intrinsic_function): Call it.
1312
1313 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1314
1315         PR fortran/82049
1316         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1317         try to resolve it.  While here return early if possible.
1318
1319 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1320
1321         PR fortran/84115
1322         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1323         'length' if the symbol charlen backend_decl is an indirect ref.
1324
1325 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1326
1327         PR fortran/84141
1328         PR fortran/84155
1329         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1330         use gfc_get_dtype_rank_type.
1331
1332 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1333
1334         PR 83975
1335         PR 83344
1336         * resolve.c (resolve_assoc_var): Generate an error if
1337         target length unknown.
1338
1339 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1340
1341         PR fortran/83705
1342         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1343         to runtime, print a warning message.
1344
1345 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1346
1347         PR fortran/84116
1348         * openmp.c (gfc_match_omp_clauses): If all the linear
1349         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1350         nor set *head = NULL.  Formatting fixes.
1351
1352 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1353
1354         PR fortran/84088
1355         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1356         an address expression passed to an assumed rank dummy, convert
1357         to an indirect reference.
1358
1359 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1360
1361         * dump-parse-tree.c (write_proc): Use sym_name (which may
1362         be sym->binding_label) instead of sym->name.
1363
1364 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1365
1366         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1367         of int for slen.
1368
1369 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1370
1371         PR fortran/78534
1372         * trans-expr.c (fill_with_spaces): Use memset instead of
1373         generating loop.
1374         (gfc_trans_string_copy): Improve opportunity to use builtins with
1375         constant lengths.
1376
1377 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1378
1379         PR debug/84131
1380         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1381         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1382
1383 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1384
1385         PR fortran/84134
1386         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1387         zero, return false.
1388
1389 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1390
1391         PR fortran/84133
1392         * frontend-passes (matmul_to_var_expr): Return early if
1393         in association list.
1394         (inline_matmul_assign): Likewise.
1395
1396 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1397
1398         PR fortran/84073
1399         * resolve.c (resolve_component): Ensure BIND(C) character
1400         components have length one.
1401         (resolve_symbol): Likewise for variables.
1402
1403 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1404
1405         PR fortran/84065
1406         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1407         lengths.
1408
1409 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1410             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1411             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1412
1413         Partial support for Fortran 2018 teams features.
1414
1415         * array.c (gfc_match_array_ref): add team attribute in coarray
1416         transfers.
1417         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1418         functions for get_team and team_number.
1419         * dump-parse-tree.c (show_code_node): add new statements: form team,
1420         change team, end team, and sync team.
1421         * expr.c (gfc_find_team_co): add new function.
1422         * gfortran.h: add new statements.
1423         * intrinsic.c (add_functions): add get_team and team_number functions.
1424         * intrinsic.h: add get_team and team_number prototypes for check,
1425         simplify, and resolve.
1426         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1427         functions.
1428         * iso-fortran-env.def: add the team_type derived type.
1429         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1430         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1431         add change team, end team, form team, sync team match and functions.
1432         * match.h: add new prototypes for change team, end team, form team,
1433         and sync team.
1434         * parse.c (decode_statement): add cases for change team, end team,
1435         form team, and sync team.
1436         * resolve.c: add cases for exec form team, change team, end team, and
1437         sync team.
1438         * simplify.c (gfc_simplify_get_team): add new function for get team.
1439         * st.c (gfc_free_statement): add cases exec for change team, end team,
1440         form team, sync team.
1441         * trans-decl.c (gfor_fndecl_caf_form_team)
1442         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1443         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1444         (gfor_fndecl_caf_team_number): add functions and definitions.
1445         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1446         new function and team_type argument support.
1447         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1448         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1449         * trans-stmt.h: add new prototypes.
1450         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1451         * trans.c (trans_code): new exec cases for form team, change team, end
1452         team, and sync team.
1453         * trans.h: add new prototypes.
1454
1455 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1456
1457         PR fortran/83998
1458         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1459         or .false.  The summation does the correct type conversion.
1460         (gfc_simplify_dot_product): Special case zero-sized arrays.
1461
1462 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1463
1464         PR fortran/37577
1465         * array.c (gfc_match_array_ref): If standard earlier than F2008
1466         it is an error if the reference dimension is greater than 7.
1467         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1468         dtype masks and shifts accordingly.
1469         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1470         type node to check the field.
1471         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1472         (duplicate_allocatable_coarray): Access the rank field of the
1473         dtype descriptor rather than the dtype itself.
1474         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1475         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1476         (ie. a character).
1477         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1478         get_scalar_to_descriptor_type if the actual expression is a
1479         constant.
1480         (gfc_trans_structure_assign): Assign the rank directly to the
1481         dtype rank field.
1482         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1483         to default integer kind.
1484         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1485         'elem_len' field of the dtype.
1486         * trans-io.c (gfc_build_io_library_fndecls): Replace
1487         gfc_int4_type_node with dtype_type_node where necessary.
1488         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1489         scalars.
1490         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1491         dtype_type_node and, if necessary, build it.
1492         The maximum size of an array element is now determined by the
1493         maximum value of size_t.
1494         Update the description of the array descriptor, including the
1495         type def for the dtype_type.
1496         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1497         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1498         (gfc_get_array_descriptor_base): Change the type of the dtype
1499         field to dtype_type_node.
1500         (gfc_get_array_descr_info): Get the offset to the rank field of
1501         the dtype.
1502         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1503         * trans.h : Define the indices of the dtype fields.
1504
1505 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1506
1507         PR fortran/83866
1508         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1509         and emit error about garbage after declaration.
1510
1511 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1512
1513         PR fortran/83898
1514         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1515         for characters.
1516
1517 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1518
1519         PR 78534
1520         PR 83704
1521         * arith.c (gfc_arith_concat): Use size_t for string length.
1522         (gfc_compare_string): Likewise.
1523         (gfc_compare_with_Cstring): Likewise.
1524         * array.c (gfc_resolve_character_array_constructor): Use
1525         HOST_WIDE_INT, gfc_mpz_get_hwi.
1526         * check.c (gfc_check_fe_runtime_error): Use size_t.
1527         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1528         gfc_extract_hwi.
1529         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1530         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1531         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1532         gfc_extract_hwi.
1533         (gfc_apply_init): Likewise.
1534         * match.h (gfc_set_constant_character_len): Update prototype.
1535         * primary.c (match_string_constant): Use size_t.
1536         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1537         gfc_mpz_get_hwi.
1538         * simplify.c (init_result_expr): Likewise.
1539         (gfc_simplify_len_trim): Use size_t.
1540         * target-memory.c (gfc_encode_character): Use size_t.
1541         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1542         (interpret_array): Use size_t.
1543         (gfc_interpret_character): Likewise.
1544         * target-memory.h (gfc_encode_character): Update prototype.
1545         (gfc_interpret_character): Likewise.
1546         (gfc_target_interpret_expr): Likewise.
1547         * trans-const.c (gfc_build_string_const): Use size_t for length
1548         argument.
1549         (gfc_build_wide_string_const): Likewise.
1550         * trans-const.h (gfc_build_string_const): Likewise.
1551         (gfc_build_wide_string_const): Likewise.
1552
1553 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1554
1555         PR fortran/83900
1556     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1557
1558 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1559
1560         PR fortran/83900
1561         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1562
1563 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1564
1565         PR fortran/83864
1566         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1567
1568 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1569
1570         PR fortran/83874
1571         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1572
1573 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1574
1575         PR fortran/82257
1576         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1577         from symbol marked unlimited polymorphic.
1578         * resolve.c (resolve_structure_cons): Likewise.
1579         * misc.c (gfc_typename): Don't dereference derived->components
1580         if it's NULL.
1581
1582 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1583
1584         PR fortran/54613
1585         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1586         (gfc_logical_4_kind): New macro
1587         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1588         (gfc_simplify_maxloc): Likewise.
1589         (gfc_resolve_maxloc): Likewise.
1590         (gfc_resolve_minloc): Likewise.
1591         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1592         argument; also raise error if it is used (for now). Add it
1593         if it isn't present.
1594         * intrinsic.c (add_sym_4ml): Rename to
1595         (add_sym_5ml), adjust for extra argument.
1596         (add_functions): Add "back" constant. Adjust maxloc and minloc
1597         for back argument.
1598         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1599         not of gfc_logical_4_kind, convert.
1600         (gfc_resolve_minloc): Likewise.
1601         * simplify.c (gfc_simplify_minloc): Add back argument.
1602         (gfc_simplify_maxloc): Likewise.
1603         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1604         argument to %VAL to ensure passing by value.
1605         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1606         also for library calls.
1607
1608 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1609
1610         PR fortran/82007
1611         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1612         format specifiers in format strings. Set formatted to true if a
1613         format string or format label is present.
1614         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1615         whitespace.
1616
1617 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1618
1619         PR fortran/83744
1620         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1621         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1622         and BT_CHARACTER.
1623         (write_decl): Add where argument. Fix indentation. Replace
1624         assert with error message. Add typename to warning
1625         in comment.
1626         (write_type): Adjust locus to call of write_decl.
1627         (write_variable): Likewise.
1628         (write_proc): Likewise. Replace assert with error message.
1629
1630 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1631
1632         PR fortran/52162
1633         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1634         the rhs expression is neither an elemental nor a conversion
1635         function.
1636
1637         PR fortran/83622
1638         * trans-array.c (is_pointer_array): Remove unconditional return
1639         of false for -fopenmp.
1640
1641 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1642         <emsr@gcc.gnu.org>
1643
1644         PR fortran/83803
1645         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1646         for functions.
1647
1648 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1649
1650         PR fortran/82367
1651         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1652
1653 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1654
1655         PR fortran/83093
1656         * resolve.c (resolve_charlen): Check the type of cl->length
1657         after resolution.
1658
1659 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1660
1661         PR fortran/83740
1662         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1663
1664 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1665
1666         PR fortran/83740
1667         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1668         LHS type when assigning.
1669
1670 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1671
1672         PR fortran/83742
1673         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1674
1675 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1676
1677         * match.c (gfc_match_allocate): Check for NULL pointer.
1678
1679 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1680
1681         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1682
1683 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1684
1685         PR fortran/83611
1686         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1687         an initializer, convert the kind parameters and add to the
1688         component if the instance.
1689         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1690         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1691         for parameterized arrays. Clean up typos in comments. Convert
1692         parameterized array initializers and copy into the array.
1693         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1694         parameterized types.
1695         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1696         as necessary, when they are PDT function results for example.
1697
1698         PR fortran/83731
1699         * trans-array.c (structure_alloc_comps): Only compare len parms
1700         when they are declared explicitly.
1701
1702 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1703
1704         PR fortran/50892
1705         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1706         lhs type.
1707
1708 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1709
1710         PR fortran/78534
1711         PR fortran/66310
1712         * array.c (got_charlen): Use gfc_charlen_int_kind.
1713         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1714         hardcoded kind.
1715         (find_intrinsic_vtab): Likewise.
1716         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1717         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1718         (gfc_match_implicit): Use gfc_charlen_int_kind.
1719         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1720         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1721         * expr.c (gfc_get_character_expr): Length parameter of type
1722         gfc_charlen_t.
1723         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1724         (gfc_extract_hwi): New function.
1725         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1726         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1727         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1728         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1729         (gfc_mpz_set_hwi): Likewise.
1730         (gfc_charlen_t): New typedef.
1731         (gfc_expr): Use gfc_charlen_t for character lengths.
1732         (gfc_size_kind): New extern variable.
1733         (gfc_extract_hwi): New prototype.
1734         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1735         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1736         * gfortran.texi: Update description of hidden string length argument.
1737         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1738         (gfc_resolve_char_achar): Likewise.
1739         (gfc_resolve_repeat): Pass string length directly without
1740         temporary, use gfc_charlen_int_kind.
1741         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1742         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1743         * misc.c (gfc_mpz_get_hwi): New function.
1744         (gfc_mpz_set_hwi): New function.
1745         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1746         (parse_integer): Don't complain about large integers.
1747         (write_atom): Use HOST_WIDE_INT for integers.
1748         (mio_integer): Handle integer type mismatch.
1749         (mio_hwi): New function.
1750         (mio_intrinsic_op): Use HOST_WIDE_INT.
1751         (mio_array_ref): Likewise.
1752         (mio_expr): Likewise.
1753         * primary.c (match_substring): Use gfc_charlen_int_kind.
1754         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1755         (resolve_character_operator): Likewise.
1756         (resolve_assoc_var): Likewise.
1757         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1758         (resolve_charlen): Use mpz_sgn to determine sign.
1759         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1760         instead of long.
1761         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1762         * target-memory.c (size_character): Length argument of type
1763         gfc_charlen_t.
1764         (gfc_encode_character): Likewise.
1765         (gfc_interpret_character): Use gfc_charlen_t.
1766         * target-memory.h (gfc_encode_character): Modify prototype.
1767         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1768         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1769         (trans_array_constructor): Use existing type.
1770         (get_array_charlen): Likewise.
1771         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1772         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1773         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1774         (add_argument_checking): Likewise.
1775         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1776         gfc_charlen_type_node.
1777         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1778         4, fold_convert to correct type.
1779         (gfc_conv_class_to_class): Build const of type size_type_node for
1780         size.
1781         (gfc_copy_class_to_class): Likewise.
1782         (gfc_conv_string_length): Use same type in expression.
1783         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1784         (gfc_conv_string_tmp): Make sure len is of the right type.
1785         (gfc_conv_concat_op): Use same type in expression.
1786         (gfc_conv_procedure_call): Likewise.
1787         (fill_with_spaces): Comment out memset() block due to spurious
1788         -Wstringop-overflow warnings.
1789         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1790         (alloc_scalar_allocatable_for_subcomponent_assignment):
1791         fold_convert to right type.
1792         (gfc_trans_subcomponent_assign): Likewise.
1793         (trans_class_vptr_len_assignment): Build const of correct type.
1794         (gfc_trans_pointer_assignment): Likewise.
1795         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1796         type in expr.
1797         (trans_class_assignment): Build const of correct type.
1798         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1799         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1800         * trans-io.c (gfc_build_io_library_fndecls): Use
1801         gfc_charlen_type_node for character lengths.
1802         (set_string): Convert to right type in assignment.
1803         * trans-stmt.c (gfc_trans_label_assign): Build const of
1804         gfc_charlen_type_node.
1805         (trans_associate_var): Likewise.
1806         (gfc_trans_character_select): Likewise.
1807         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1808         (gfc_trans_deallocate): Don't typecast strlen result.
1809         * trans-types.c (gfc_size_kind): New variable.
1810         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1811         from size_type_node.
1812         * trans-types.h: Fix comment.
1813
1814 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1815
1816         PR fortran/83683
1817         PR fortran/45689
1818         * check.c (gfc_check_eoshift): Check for string length and
1819         for conformance of boundary.
1820         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1821         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1822         * simplify.c (gfc_simplify_eoshift): New function.
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): Handle MODE_VECTOR_BOOL.
1829
1830 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1831             Alan Hayward  <alan.hayward@arm.com>
1832             David Sherwood  <david.sherwood@arm.com>
1833
1834         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1835
1836 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1837
1838         PR fortran/83664
1839         * check.c (gfc_check_eoshift): Error for missing boundary if array
1840         is not one of the standard types.
1841
1842 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1843
1844         Update copyright years.
1845
1846         * gfortranspec.c (lang_specific_driver): Update copyright notice
1847         dates.
1848         * gfc-internals.texi: Bump @copying's copyright year.
1849         * gfortran.texi: Ditto.
1850         * intrinsic.texi: Ditto.
1851         * invoke.texi: Ditto.
1852
1853 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1854
1855         PR fortran/45689
1856         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1857         gfc_simplify_minloc to maxloc and minloc, respectively.
1858         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1859         and gfc_simplify_maxloc.
1860         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1861         to have a return value which indicates if the extremum was found.
1862         (is_constant_array_expr): Fix typo in comment.
1863         (simplify_minmaxloc_to_scalar): New function.
1864         (simplify_minmaxloc_nodim): New function.
1865         (new_array): New function.
1866         (simplify_minmaxloc_to_array): New function.
1867         (gfc_simplify_minmaxloc): New function.
1868         (simplify_minloc): New function.
1869         (simplify_maxloc): New function.
1870
1871 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1872
1873         PR fortran/45689
1874         PR fortran/83650
1875         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1876         range of arguments.
1877
1878 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1879
1880         PR fortran/83076
1881         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1882         allocatable and pointer scalars, when -fcoarray selected.
1883         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1884         field as well as the backend_decl.
1885         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1886         derived types that are not vtypes. Components with caf_token
1887         attribute are pvoid types. For a component requiring it, find
1888         the caf_token field and have the component token field point to
1889         its backend_decl.
1890
1891         PR fortran/83319
1892         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1893         field to the descriptor even when codimen not set.
1894 \f
1895 Copyright (C) 2018 Free Software Foundation, Inc.
1896
1897 Copying and distribution of this file, with or without modification,
1898 are permitted in any medium without royalty provided the copyright
1899 notice and this notice are preserved.