gcc/fortran/ChangeLog

   1 2018-08-25  Janus Weil  <janus@gcc.gnu.org>
   2
   3         PR fortran/86545
   4         * resolve.c (resolve_transfer): Correctly determine typespec for
   5         generic function calls, in order to throw a proper error.
   6
   7 2018-08-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
   8
   9         PR fortran/86837
  10         * frontend-passes.c (var_in_expr_callback): New function.
  11         (var_in_expr): New function.
  12         (traverse_io_block): Use var_in_expr instead of
  13         gfc_check_dependency for checking if the variable depends on the
  14         previous interators.
  15
  16 2018-08-23  Janne Blomqvist  <blomqvist.janne@gmail.com>
  17
  18         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Delete
  19         HONOR_SIGNED_ZEROS checks.
  20
  21 2018-08-23  Paul Thomas  <pault@gcc.gnu.org>
  22
  23         PR fortran/86863
  24         * resolve.c (resolve_typebound_call): If the TBP is not marked
  25         as a subroutine, check the specific symbol.
  26
  27 2018-08-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
  28
  29         * gfortran.texi: Mention that asynchronous I/O does
  30         not work on systems which lack condition variables, such
  31         as AIX.
  32
  33 2018-08-22  Janus Weil  <janus@gcc.gnu.org>
  34
  35         PR fortran/86935
  36         * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE
  37         statement.
  38
  39 2018-08-22  Andrew Benson  <abensonca@gmail.com>
  40
  41         * module.c (load_generic_interfaces): Move call to find_symbol()
  42         so that only occurs if actually needed.
  43
  44 2018-08-22  Janus Weil  <janus@gcc.gnu.org>
  45
  46         PR fortran/86888
  47         * decl.c (gfc_match_data_decl): Allow allocatable components of
  48         indirectly recursive type.
  49         * resolve.c (resolve_component): Remove two errors messages ...
  50         (resolve_fl_derived): ... and replace them by a new one.
  51
  52 2018-08-21  Janne Blomqvist  <jb@gcc.gnu.org>
  53
  54         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use
  55         MAX_EXPR/MIN_EXPR unconditionally for real arguments.
  56         * gfortran.texi (Compiler Characteristics): Document MAX/MIN
  57         behavior wrt NaN.
  58
  59 2018-08-21  Nicolas Koenig  <koenigni@gcc.gnu.org>
  60         Thomas Koenig <tkoenig@gcc.gnu.org>
  61
  62         PR fortran/25829
  63         * gfortran.texi: Add description of asynchronous I/O.
  64         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  65         as volatile.
  66         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  67         st_wait_async and change argument spec from ".X" to ".w".
  68         (gfc_trans_wait): Pass ID argument via reference.
  69
  70 2018-08-16  Nathan Sidwell  <nathan@acm.org>
  71
  72         * cpp.c (dump_macro): Use cpp_user_macro_p.
  73
  74 2018-08-14  Janus Weil  <janus@gcc.gnu.org>
  75
  76         PR fortran/86116
  77         * interface.c (compare_type): Remove a CLASS/TYPE check.
  78         (compare_type_characteristics): New function that behaves like the old
  79         'compare_type'.
  80         (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
  81         Call 'compare_type_characteristics' instead of 'compare_type'.
  82
  83 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  84
  85         PR fortran/66679
  86         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
  87         elements are returned as references to the data element. Get
  88         the class expression by stripping back the references. Use this
  89         for the element size.
  90
  91 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  92
  93         PR fortran/86906
  94         * resolve.c (resolve_fl_variable_derived): Check if the derived
  95         type is use associated before checking for the host association
  96         error.
  97
  98 2018-08-10  Janus Weil  <janus@gcc.gnu.org>
  99
 100         PR fortran/57160
 101         * invoke.texi (frontend-optimize): Mention short-circuiting.
 102         * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
 103         * resolve.c (resolve_operator): Warn about short-circuiting only with
 104         -ffrontend-optimize.
 105         * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
 106         with -ffrontend-optimize. Without that flag, make sure that both
 107         operands are evaluated.
 108
 109 2018-08-08  Nathan Sidwell  <nathan@acm.org>
 110
 111         * cpp.c (cb_file_change): Use linemap_included_from.
 112
 113 2018-08-07  Cesar Philippidis  <cesar@codesourcery.com>
 114
 115         * trans-stmt.h: Remove stale reference to trans-openacc.c.
 116
 117 2018-08-04  Janus Weil  <janus@gcc.gnu.org>
 118
 119         PR fortran/45521
 120         * interface.c (gfc_compare_interfaces): Apply additional
 121         distinguishability criteria of F08 to operator interfaces.
 122
 123 2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 124
 125         Revert 'AsyncI/O patch committed'
 126         2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
 127                 Thomas Koenig <tkoenig@gcc.gnu.org>
 128
 129         PR fortran/25829
 130         * gfortran.texi: Add description of asynchronous I/O.
 131         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
 132         as volatile.
 133         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
 134         st_wait_async and change argument spec from ".X" to ".w".
 135         (gfc_trans_wait): Pass ID argument via reference.
 136
 137 2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
 138         Thomas Koenig <tkoenig@gcc.gnu.org>
 139
 140         PR fortran/25829
 141         * gfortran.texi: Add description of asynchronous I/O.
 142         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
 143         as volatile.
 144         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
 145         st_wait_async and change argument spec from ".X" to ".w".
 146         (gfc_trans_wait): Pass ID argument via reference.
 147
 148 2018-07-20  Martin Sebor  <msebor@redhat.com>
 149
 150         PR middle-end/82063
 151         * gfortran.h (gfc_handle_option): Change function argument
 152         to HOST_WIDE_INT.
 153         * options.c (gfc_handle_option): Same.
 154
 155 2018-07-20  Andrew Benson  <abenson@carnegiescience.edu>
 156
 157         * gfortran.h (gfc_symbol): Add pointer to next derived type.
 158         (gfc_dt_list, gfc_get_dt_list): Remove.
 159         (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
 160         * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
 161         simple nullification of gfc_derived_types.
 162         * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
 163         gfc_symbol.
 164         (add_dt_to_dt_list): Change derived type linked list insertion to
 165         utilize dt_next pointers in gfc_symbol.
 166         * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
 167         (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
 168         gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
 169         linked list search/insertion to utilize dt_next pointers in gfc_symbol.
 170         * trans-types.c (gfc_get_derived_type): Change derived type linked
 171         list search to utilize dt_next pointers in gfc_symbol.
 172
 173 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 174
 175         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
 176         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
 177
 178 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
 179             Thomas Koenig  <tkoenig@gcc.gnu.org>
 180
 181         PR fortran/85599
 182         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
 183         * frontend-passes.c (do_warn_function_elimination): Do not warn for
 184         pure functions.
 185         * gfortran.h: Add prototypes for gfc_pure_function and
 186         gfc_implicit_pure_function.
 187         * gfortran.texi: Add chapter on evaluation of logical expressions.
 188         * invoke.texi: Mention that -Wfunction-elimination is implied
 189         by -Wextra.
 190         * lang.opt: Make -Wextra imply -Wfunction-elimination.
 191         * resolve.c (pure_function): Rename to gfc_pure_function.
 192         (gfc_implicit_pure_function): New function.
 193         (check_pure_function): Use it here.
 194         (impure_function_callback): New function.
 195         (resolve_operator): Call it via gfc_expr_walker.
 196
 197 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 198
 199         PR fortran/83184
 200         * decl.c (match_old_style_init): Initialize locus of variable expr when
 201         creating a data variable.
 202         (match_clist_expr): Verify array is explicit shape/size before
 203         attempting to allocate constant array constructor.
 204
 205 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 206
 207         PR fortran/86417
 208         * module.c (mio_component): Set component->loc when loading from module.
 209
 210 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 211
 212         PR fortran/86421
 213         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
 214         _UVAL suffixes.
 215         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
 216         on linear clauses.  Initialize n->where to gfc_current_locus.
 217
 218 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
 219
 220         PR fortran/86408
 221         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
 222         in F2008 and not F2003.
 223         (resolve_function): Ditto in error message. Also, exclude
 224         deferred character length results from the error.
 225
 226 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
 227
 228         PR fortran/83183
 229         PR fortran/86325
 230         * expr.c (class_allocatable, class_pointer, comp_allocatable,
 231         comp_pointer): New helpers.
 232         (component_initializer): Generate EXPR_NULL for allocatable or pointer
 233         components. Do not generate initializers for components within BT_CLASS.
 234         Do not assign to comp->initializer.
 235         (gfc_generate_initializer): Use new helpers; move code to generate
 236         EXPR_NULL for class allocatable components into component_initializer().
 237
 238 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 239
 240         PR fortran/82009
 241         * trans-decl.c (gfc_process_block_locals): Delete assert and set
 242         saved_local_decls = NULL_TREE.
 243
 244 2018-07-02  Richard Biener  <rguenther@suse.de>
 245
 246         PR lto/86321
 247         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
 248         for the distinct type copy.
 249
 250 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 251
 252         PR fortran/82969
 253         PR fortran/86242
 254         * trans-array.c (structure_alloc_comps): Do not explicitly copy
 255         procedure pointer components.
 256
 257 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 258
 259         PR fortran/45305
 260         * expr.c : Add a prototype for scalarize_intrinsic_call.
 261         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
 262         intrinsic function calls.
 263         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
 264         the expression or any of the actual argument expressions are
 265         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
 266         Only simplify the scalarized expressions if there are no errors
 267         on the stack.
 268         (gfc_check_init_expr): Set 'init_flag' true in the call to
 269         scalarize_intrinsic_call.
 270
 271 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 272
 273         PR fortran/82865
 274         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 275
 276 2018-06-28  Martin Liska  <mliska@suse.cz>
 277
 278         * gfortranspec.c: Include opt-suggestions.h.
 279
 280 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 281
 282         PR fortran/82972
 283         PR fortran/83088
 284         PR fortran/85851
 285         * expr.c (component_initializer): Assign init expr to c->initializer.
 286         (generate_isocbinding_initializer): New.
 287         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 288         generate initializers for c_ptr and c_funptr with -finit-derived.
 289
 290 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 291
 292         PR fortran/85983
 293         * interface.c (check_dtio_interface1): Delete assert.
 294
 295 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 296             Rainer Orth  <ro@gcc.gnu.org>
 297
 298         PR fortran/86281
 299         * resolve.c (resolve_contained_fntype): Check for the charlen
 300         before testing the length.
 301
 302 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 303
 304         PR fortran/49630
 305         * resolve.c (resolve_contained_fntype): Change standard ref.
 306         from F95 to F2003: C418. Correct a spelling error in a comment.
 307         It is an error for an abstract interface to have an assumed
 308         character length result.
 309         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 310         standard reference.
 311
 312 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 313
 314         PR fortran/83118
 315         * resolve.c (resolve_ordinary_assign): Force the creation of a
 316         vtable for assignment of non-polymorphic expressions to an
 317         unlimited polymorphic object.
 318         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 319         size of the rhs type for such assignments. Set the dtype, _len
 320         and vptrs appropriately.
 321         * trans-expr.c (gfc_trans_assignment): Force the use of the
 322         _copy function for these assignments.
 323
 324 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 325             Thomas Schwinge <thomas@codesourcery.com>
 326             Cesar Philippidis  <cesar@codesourcery.com>
 327
 328         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 329         bitfields.
 330         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 331         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 332         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 333         create, deviceptr, present_of_*. Add support for finalize and
 334         if_present.
 335         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 336         (OACC_KERNELS_CLAUSES): Likewise.
 337         (OACC_DATA_CLAUSES): Likewise.
 338         (OACC_DECLARE_CLAUSES): Likewise.
 339         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 340         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 341         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 342         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 343         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 344         and FINALIZE.
 345
 346 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 347
 348         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 349
 350 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 351
 352         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 353         (nonlocal_dummy_decls): Likewise.
 354         (gfc_nonlocal_dummy_array_decl): Likewise.
 355         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 356         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 357         reusing the result of a recursive call.
 358         (gfc_generate_function_code): Do not create, insert and destroy
 359         nonlocal_dummy_decls.
 360
 361 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 362
 363         PR fortran/86110
 364         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 365         pointer dereference.
 366
 367 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 368
 369         PR fortran/85703
 370         * parse.c (decode_oacc_directive): Set gfc_matching_function
 371         to false.
 372         (decode_omp_directive): Likewise.
 373
 374 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 375
 376         PR fortran/85702
 377         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 378
 379 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 380
 381         PR other/69968
 382         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 383         levenshtein_distance to get_edit_distance.
 384
 385 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 386
 387         PR fortran/44491
 388         * expr.c (gfc_check_assign): Select non-NULL locus.
 389
 390 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 391
 392         PR fortran/45521
 393         * interface.c (compare_ptr_alloc): New function.
 394         (generic_correspondence): Call it.
 395
 396 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 397
 398         * gfortran.h (gfc_expr): Add no_bounds_check field.
 399         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 400         on function and function argument.
 401         (inline_matmul_assign): Set no_bounds_check on zero expression
 402         and on lhs of zero expression.
 403         Also handle A1B2 case if realloc on assigment is active.
 404         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 405         if expr has no_bounds_check set.
 406         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 407         has it set.
 408         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 409         on lss and lss if the corresponding expressions have it set.
 410
 411 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 412
 413         PR fortran/79854
 414         * trans-const.c: Remove include "diagnostic-core.h".
 415         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 416
 417 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 418
 419         PR fortran/85088
 420         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 421         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 422         and remove a TODO note.
 423         * gfortran.h: Add a comment to sym_intent.
 424
 425 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 426
 427         PR fortran/38351
 428         * resolve.c (resolve_operator): Provide better error message for
 429         derived type entity used in an binary intrinsic numeric operator.
 430
 431 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 432
 433         PR fortran/85138
 434         PR fortran/85996
 435         PR fortran/86051
 436         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 437         reduce a charlen to a constant.
 438
 439 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 440
 441         PR fortran/78278
 442         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 443         an error for double initialization of CHARACTER entities.
 444
 445 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 446
 447         PR fortran/63514
 448         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 449
 450 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 451
 452         PR fortran/85631
 453         * trans.h (gfc_ss): Add field no_bounds_check.
 454         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 455         ss->no_bounds_check is set, do not use runtime checks.
 456         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 457         for reallocatable lhs.
 458
 459 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 460
 461         PR fortran/86059
 462         * array.c (match_array_cons_element): NULL() cannot be in an
 463         array constructor.
 464
 465 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 466
 467         PR fortran/78571
 468         * data.c (create_character_initializer): Return early if type is
 469         incompatible with CHARACTER.
 470
 471 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 472
 473         PR fortran/86045
 474         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 475         'P' is zero and issue an error if it is.
 476
 477 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 478
 479         PR fortran/85641
 480         * frontend-passes.c (is_fe_temp): Add prototype.
 481         (realloc_string_callback): Early return for frontend-generated
 482         temporary.
 483
 484 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 485
 486         PR fortran/85701
 487
 488         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 489         subroutine data clause arguments.
 490
 491 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 492
 493         PR fortran/85981
 494         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 495         character kind.
 496
 497 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 498
 499         PR fortran/36497
 500         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 501
 502 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 503
 504         PR fortran/63570
 505         * check.c (gfc_check_random_init): New function. Check arguments of
 506         RANDOM_INIT.
 507         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 508         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 509         subroutines.
 510         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 511         * intrinsic.h: Add prototypes for gfc_check_random_init and
 512         gfc_resolve_random_init
 513         * intrinsic.texi: Document new intrinsic subprogram.
 514         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 515         * trans-decl.c: Declare gfor_fndecl_random_init
 516         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 517         Translate call to RANDOM_INIT.
 518         (gfc_conv_intrinsic_subroutine): Call it.
 519         * trans.h: Declare gfor_fndecl_random_init
 520
 521 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 522
 523         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 524         initialization in a data statement.
 525
 526 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 527
 528         PR fortran/85839
 529         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 530         an obsolescent feature in Fortran 2018.
 531         (gfc_match_equivalence): Ditto.
 532         * resolve.c (resolve_common_blocks): Ditto.
 533         (gfc_resolve_forall): Ditto.
 534         * symbol.c (gfc_define_st_label): Ditto.
 535
 536 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 537
 538         PR fortran/85543
 539         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 540         pointer dereference.
 541
 542 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 543
 544         PR fortran/85780
 545         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 546
 547 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 548
 549         PR fortran/85779
 550         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 551
 552 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 553
 554         PR fortran/85895
 555         * resolve.c (resolve_sync): Resolve expression before checking for
 556         an error.
 557
 558 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 559
 560         PR fortran/85841
 561         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 562         GFC_STD_OPT_F08TS.
 563         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 564         * options.c (set_default_std_flags): Ditto.
 565         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 566         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 567         GFC_STD_F2018.
 568         * check.c (gfc_check_atomic, gfc_check_event_query,
 569         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 570         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 571         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 572         * intrinsic.c (add_functions, add_subroutines,
 573         gfc_check_intrinsic_standard): Ditto.
 574         * iso-c-binding.def: Ditto.
 575         * iso-fortran-env.def: Ditto.
 576         * match.c (gfc_match_event_post, gfc_match_event_wait,
 577         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 578         gfc_match_end_team, gfc_match_sync_team): Ditto.
 579         * gfortran.texi: Remove mention of -std=f2008ts.
 580         Move TSs into F2018 section.
 581         * invoke.texi: Update documentation of -std=f2008ts.
 582
 583 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 584
 585         PR fortran/85841
 586         * libgfortran.h: New macros GFC_STD_OPT_*.
 587         * error.c (notify_std_msg): New function.
 588         (gfc_notify_std): Adjust such that it can handle combinations of
 589         GFC_STD_* flags in the 'std' argument, not just a single one.
 590         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 591         in Fortran 2018.
 592         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 593         * options.c (set_default_std_flags): Warn for F2018 deleted features
 594         by default.
 595         (gfc_handle_option): F2018 deleted features are allowed in earlier
 596         standards.
 597         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 598         nonblock do constructs in Fortran 2018.
 599
 600 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 601
 602         PR fortran/80657
 603         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 604         test for self refs to the function result in the character len
 605         expression. If a self reference is found, emit an error and
 606         return true.
 607         (resolve_fntype): Use the function symbol in the calls to the
 608         above.
 609
 610 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 611
 612         PR fortran/49636
 613         * trans-array.c (gfc_get_array_span): Renamed from
 614         'get_array_span'.
 615         (gfc_conv_expr_descriptor): Change references to above.
 616         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 617         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 618         blocks for 'arg1'.
 619         * trans-stmt.c (trans_associate_var): If the associate name is
 620         a subref array pointer, use gfc_get_array_span for the span.
 621
 622 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 623
 624         PR fortran/82275
 625         * match.c (gfc_match_type_spec): Go through the array ref and
 626         decrement 'rank' for every dimension that is an element.
 627
 628 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 629
 630         PR fortran/82923
 631         PR fortran/66694
 632         PR fortran/82617
 633         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 634         charlen backend_decl of the rhs expr to ss->info->string_length
 635         so that the value in the current scope is used.
 636
 637 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 638
 639         PR fortran/63529
 640         * gfortran.texi: Clarify documentation for Cray pointer and
 641         assumed-sized array.
 642
 643 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 644
 645         PR fortran/85742
 646         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 647         of 'size'. If the element type is a pointer use the size of the
 648         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 649         case, set the size to zero.
 650
 651 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 652
 653         * gfortran.h: Remove prototype.
 654         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 655
 656 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 657
 658         PR fortran/85542
 659         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 660
 661 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 662
 663         PR fortran/85687
 664         * check.c (gfc_check_rank): Check that the argument is a data object.
 665
 666 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 667
 668         PR fortran/85521
 669         * array.c (gfc_resolve_character_array_constructor): Substrings
 670         with upper bound smaller than lower bound are zero length strings.
 671
 672 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 673
 674         PR fortran/70870
 675         * data.c (gfc_assign_data_value): Check that a data object does
 676         not also have default initialization.
 677
 678 2018-05-10  Marek Polacek  <polacek@redhat.com>
 679
 680         PR fortran/85735
 681         * options.c (gfc_post_options): Set main_input_filename.
 682
 683 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 684
 685         PR fortran/54613
 686         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 687
 688 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 689
 690         PR fortran/68846
 691         PR fortran/70864
 692         * resolve.c (get_temp_from_expr): The temporary must not have
 693         dummy or intent attributes.
 694
 695 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 696
 697         PR fortran/54613
 698         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 699         implemented.  Use gfc_logical_4_kind for BACK.
 700         * simplify.c (min_max_choose): Add optional argument back_val.
 701         Handle it.
 702         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 703         back_val to min_max_choose.
 704         (simplify_minmaxloc_to_nodim): Likewise.
 705         (simplify_minmaxloc_to_array): Likewise.
 706         (gfc_simplify_minmaxloc): Add argument back, handle it.
 707         Pass back_val to specific simplification functions.
 708         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 709         pass it on to gfc_simplify_minmaxloc.
 710         (gfc_simplify_maxloc): Likewise.
 711         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 712         comment. If BACK is true, use greater or equal (or lesser or
 713         equal) insteal of greater (or lesser). Mark the condition of
 714         having found a value which exceeds the limit as unlikely.
 715
 716 2018-05-07  Jeff Law  <law@redhat.comg>
 717
 718         * scanner.c (preprocessor_line): Call linemap_add after a line
 719         directive that changes the current filename.
 720
 721 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 722
 723         PR fortran/85507
 724         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 725         introduced by r259385.
 726         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 727         same variables in coarray assignments.
 728
 729 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 730
 731         PR libgomp/82428
 732         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 733
 734 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 735
 736         PR fortran/85520
 737         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 738
 739 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 740
 741         PR fortran/81773
 742         PR fortran/83606
 743         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 744         during dependency computation.  They define no data dependency.
 745         * trans-array.c (conv_array_index_offset): The stride can not be set
 746         here, prevent fail.
 747         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 748         for caf_get's result and copying to the array with vectorial
 749         indexing.
 750
 751 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 752
 753         PR fortran/85387
 754         * frontend-passes.c (traverse_io_block): Check for start, end or
 755         stride being defined by an outer implied DO loop.
 756
 757 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 758
 759         PR fortran/83064
 760         PR testsuite/85346
 761         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 762         for annotation and remove dependence on -ftree-parallelize-loops.
 763
 764 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 765
 766         PR fortran/85313
 767         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 768         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 769
 770 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 771
 772         PR fortran/83064
 773         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 774         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 775         is set.
 776
 777 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 778
 779         PR fortran/51260
 780         * resolve.c (resolve_variable): Simplify cases where access to a
 781         parameter array results in a single constant.
 782
 783 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 784
 785         PR fortran/85102
 786         * decl.c (variable_decl): If upper or lower bounds simplify
 787         to a constant, use that.
 788
 789 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 790
 791         PR fortran/84931
 792         * simplify.c (gfc_convert_constant): Handle case of array
 793         constructors within an array that has no iterator and improve
 794         the conciseness of this section of code.
 795
 796 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 797
 798         PR fortran/85111
 799         * array.c (gfc_resolve_character_array_constructor): Early
 800         exit for zero-size arrays.
 801         * simplify.c (simplify_transformation_to_array): Exit early
 802         if the result size is zero.
 803         (simplify_minmaxloc_to_array): Likewise.
 804
 805 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 806
 807         PR fortran/69497
 808         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 809         from the root.
 810         (gfc_free_namespace): Restore assert (revert r258839).
 811
 812 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 813
 814         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 815         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 816         (IOPARM_dt_dec_ext): ... this.
 817         * trans-io.c (build_dt): Adjust for default_exp renaming to
 818         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 819         * io.c (match_io): Likewise.
 820
 821 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 822
 823         PR fortran/85084
 824         * frontend-passes.c (gfc_run_passes): Do not run front-end
 825         optimizations if a previous error occurred.
 826
 827 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 828         Harald Anlauf  <anlauf@gmx.de>
 829
 830         PR fortran/85083
 831         * primary.c (gfc_convert_to_structure_constructor): Check
 832         conformance of argument types in structure constructor.
 833
 834 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 835
 836         PR fortran/66709
 837         * io.c: Include constructor.h.
 838         (resolve_tag_format): For a constant character array, concatenate
 839         into a single character expression.
 840
 841 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 842         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 843
 844         PR fortran/84924
 845         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 846         scalar derived type with -std=f2003 and -std=f2008.
 847
 848 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 849             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 850
 851         PR fortran/69497
 852         * symbol.c (gfc_free_namespace): Delete the assert and only if
 853         refs count is equals zero, free the namespace. Otherwise,
 854         something is halfway and other errors will resound.
 855
 856 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 857
 858         PR fortran/70068
 859         * expr.c (find_substring_ref): Change types of start, end
 860         and length variables to gfc_charlen_t. Set length to zero
 861         for empty substring.
 862
 863 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 864
 865         PR fortran/42651
 866         * decl.c (check_function_name): Improved error message
 867         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 868
 869 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 870
 871         PR fortran/84922
 872         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 873         body, then it must appear on the contained subroutine or function.
 874         While here, fix nearby mis-indented code.
 875
 876 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 877         Harald Anlauf  <anlauf@gmx.de>
 878
 879         PR fortran/84957
 880         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 881
 882 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 883
 884         PR fortran/84615
 885         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 886         gfc_charlen_type_node when calling procedure.
 887
 888 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 889
 890         PR fortran/85001
 891         * interface.c (symbol_rank): Remove bogus null pointer check that
 892         crept in when translating a ternary operator into an if-else
 893         constructor.
 894
 895 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 896
 897         PR fortran/84931
 898         * simplify.c (gfc_convert_constant): Correctly handle iterators
 899         for type conversion.
 900
 901 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 902
 903         PR fortran/77414
 904         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 905         the contain portion of a subroutine.  Change language of existing
 906         error message to better describe the issue. While here fix whitespace
 907         issues.
 908
 909 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 910
 911         PR fortran/65453
 912         * decl.c (get_proc_name): Catch clash between a procedure statement
 913         and a contained subprogram
 914
 915 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 916
 917         PR fortran/69395
 918         * decl.c (merge_array_spec): Correct the error condition.
 919
 920 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 921
 922         PR fortran/78741
 923         * decl.c (get_proc_name):  Check for clash of entry name with
 924         subroutine name.
 925
 926 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 927
 928         PR fortran/69395
 929         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 930         dimensions, and issue error message if limit is exceeded.
 931
 932 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 933
 934         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 935         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 936         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 937         * intrinsic.texi: Update documentation.
 938         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 939         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 940         gfor_fndecl_kill and gfor_fndecl_kill_sub
 941         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 942         functions.
 943         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 944         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 945         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 946
 947 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 948
 949         PR fortran/84546
 950         * trans-array.c (structure_alloc_comps): Make sure that the
 951         vptr is copied and that the unlimited polymorphic _len is used
 952         to compute the size to be allocated.
 953         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 954         unlimited polymorphic _len for the offset to the element.
 955         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 956         * trans.h : Add the boolean 'unlimited' to the prototype.
 957
 958 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 959
 960         PR fortran/83939
 961         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 962
 963 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 964
 965         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 966         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 967         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 968         keywords for KILL.  Remove redundant *back="back" in favor of the
 969         original *bck="back".
 970         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 971         for KILL.
 972         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 973         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 974         correct function.
 975         (gfc_resolve_rename_sub): Add comment.
 976
 977 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 978
 979         PR fortran/66128
 980         * simplify.c (simplify_transformation): Return default result for
 981         empty array argument.
 982         (gfc_simplify_all): Remove special-case handling for zerosize.
 983         (gfc_simplify_any): Likewise.
 984         (gfc_simplify_count): Likewise.
 985         (gfc_simplify_iall): Likewise.
 986         (gfc_simplify_iany): Likewise.
 987         (gfc_simplify_iparity): Likewise.
 988         (gfc_simplify_minval): Likewise.
 989         (gfc_simplify_maxval): Likewise.
 990         (gfc_simplify_norm2): Likewise.
 991         (gfc_simplify_product): Likewise.
 992         (gfc_simplify_sum): Likewise.
 993
 994 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 995
 996         PR fortran/84734
 997         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 998         the expression up the chain instead of a NULL pointer.
 999
1000 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1001
1002         PR fortran/64124
1003         PR fortran/70409
1004         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
1005
1006 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
1007
1008         PR fortran/84697
1009         PR fortran/66128
1010         * expr.c (simplify_parameter_variable): If p is a size zero array
1011         and not an ARRAY_EXPR insert an empty array constructor and
1012         return.
1013         * gfortran.h: Add prototype for gfc_is_size_zero_array.
1014         * simplify.c (is_size_zero_array): Make non-static and rename into
1015         (gfc_is_size_zero_array):  Check for parameter arrays of zero
1016         size by comparing shape and absence of constructor.
1017         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
1018         is_size_zero_array.
1019         (gfc_simplify_count): Likewise.
1020         (gfc_simplify_iall): Likewise.
1021         (gfc_simplify_iany): Likewise.
1022         (gfc_simplify_iparity): Likewise.
1023         (gfc_simplify_minval): Likewise.
1024         (gfc_simplify_maxval): Likewise.
1025         (gfc_simplify_product): Likewise.
1026         (gfc_simplify_sum): Likewise.
1027
1028 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
1029
1030         PR fortran/56667
1031         * primary.c (match_sym_complex_part): Give the matcher for an implied
1032         do-loop a chance to run.
1033
1034 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
1035
1036         PR fortran/71085
1037         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
1038         dereference NULL pointer.
1039
1040 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
1041
1042         PR fortran/66128
1043         * simplify.c (is_size_zero_array): New function to check for size
1044         zero array.
1045         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
1046          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
1047          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
1048          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
1049         requirements from F2018.
1050
1051 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
1052
1053         PR fortran/51434
1054         * simplify.c (gfc_simplify_transfer): Resolve mold.
1055
1056 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
1057
1058         PR fortran/80965
1059         * resolve.c (build_loc_call): Change symtree name from 'loc' to
1060         '_loc'.
1061
1062 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1063
1064         PR fortran/84219
1065         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
1066         components are caf tokens.
1067         (gfc_target_interpret_expr): Treat BT_VOID expressions as
1068         integers.
1069
1070 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1071
1072         PR fortran/84538
1073         * class.c (class_array_ref_detected): Remove the condition that
1074         there be no reference after the array reference.
1075         (find_intrinsic_vtab): Remove excess whitespace.
1076         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1077         as 'base and call build_class_array_ref earlier.
1078
1079 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
1080
1081         PR fortran/83901
1082         * trans-stmt.c (trans_associate_var): Make sure that the se
1083         expression is a pointer type before converting it to the symbol
1084         backend_decl type.
1085
1086 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
1087
1088         PR fortran/83633
1089         * decl.c (variable_decl): Check that an explicit-shape-array with
1090         nonconstant bounds is allowed.
1091
1092 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
1093
1094         PR fortran/84523
1095         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1096         has a pre block, add it to the expression pre block.
1097
1098 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
1099
1100         PR fortran/78238
1101         * gfortran.h (gfc_integer_4_kind): Define.
1102         * resolve.c (resolve_select_type): Make sure that the
1103         kind of c->high is gfc_integer_4_kind.
1104
1105 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
1106
1107         PR fortran/30792
1108         * decl.c (gfc_match_data): Check for invalid substring in
1109         data-implied-do
1110
1111 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1112
1113         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1114
1115 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1116
1117         PR fortran/84511
1118         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1119
1120 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1121
1122         PR fortran/84346
1123         * interface.c (compare_actual_formal): Issue error if keyword is
1124         used in a statement function.
1125
1126 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1127
1128         PR fortran/84506
1129         * trans-io.c (set_parameter_value_inquire): Adjust range check of
1130         negative unit values for kind=8 units to the kind=4 negative limit.
1131
1132 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1133
1134         PR fortran/83149
1135         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1136         accessing its components.
1137
1138 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1139
1140         PR fortran/83149
1141         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1142         before accessing its components.
1143
1144 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1145
1146         PR fortran/83148
1147         * trans-const.c : Clean up some whitespace issues.
1148         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1149         derived type has a kind value of zero, set it to the default
1150         integer kind.
1151
1152 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
1153
1154         PR fortran/84519
1155         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1156         argument to stop and error stop decls.
1157         * trans-stmt.c (gfc_trans_stop): Add false value to argument
1158         lists.
1159
1160 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1161
1162         PR 78534
1163         PR 84509
1164         * trans-decl.c (gfc_build_builtin_function_decls): Pass
1165         gfc_int8_type node to pause_numeric, size_type_node to
1166         pause_string.
1167         * trans-stmt.c (gfc_trans_pause): Likewise.
1168
1169 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1170
1171         * gfortran.texi: Update Coarray API description.
1172         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1173         character lengths, int for exit codes.
1174         (generate_coarray_sym_init): Use size_t for character length.
1175         * trans-intrinsic.c (conv_co_collective): Likewise.
1176         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1177         (gfc_trans_event_post_wait): Likewise.
1178         (gfc_trans_sync): Likewise.
1179         (gfc_trans_stop): Use size_t for character lengths, int for exit
1180         codes.
1181
1182 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1183
1184         PR fortran/48890
1185         PR fortran/83823
1186         * primary.c (gfc_convert_to_structure_constructor):
1187         For a constant string constructor, make sure the length
1188         is correct.
1189
1190 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1191
1192         PR fortran/83344
1193         PR fortran/83975
1194         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1195         determination of the character length of associate names. If
1196         the associate name is missing a length expression or the length
1197         expression is not a constant and the target is not a variable,
1198         make the associate name allocatable and deferred length.
1199         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1200         backend_decl for deferred length associate names that are not
1201         variables. Set 'length' to gfc_index_zero_node for character
1202         associate names, whose character length is a PARM_DECL.
1203
1204 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1205
1206         PR fortran/35339
1207         * frontend-passes.c (traverse_io_block): Remove workaround for
1208         PR 80945.
1209
1210 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1211
1212         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1213         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1214         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1215         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1216         data referenced when generating a call to caf_get_by_ref ().
1217         (conv_caf_send): Same but for caf_send_by_ref () and
1218         caf_sendget_by_ref ().
1219
1220 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1221
1222         PR fortran/84389
1223         * io.c (check_format): Allow FMT_COLON.
1224
1225 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1226
1227         PR fortran/80945
1228         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1229         the typenode in the case of deferred length characters.
1230
1231 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1232
1233         PR fortran/84270
1234         * frontend-passes (scalarized_expr):  If the expression
1235         is an assumed size array, leave in the last reference
1236         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1237         in order to avoid an error.
1238
1239 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1240
1241         PR fortran/84115
1242         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1243         has no string length expression, make the associate variable
1244         into a deferred length, allocatable symbol.
1245         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1246         the symbol.
1247         * trans-stmt.c (trans_associate_var): Null and free scalar
1248         associate names that are allocatable. After assignment, remove
1249         the allocatable attribute to prevent reallocation.
1250
1251 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR fortran/84418
1254         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1255         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1256
1257 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1258
1259         PR fortran/84354
1260         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1261
1262 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1263
1264         PR fortran/84409
1265         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1266         length.
1267
1268 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1269
1270         PR fortran/84385
1271         * match.c (gfc_match_select_type): Fix check for selector in
1272         SELECT TYPE statement.
1273
1274 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1275
1276         PR fortran/84313
1277         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1278
1279 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1280             Janne Blomqvist  <jb@gcc.gnu.org>
1281
1282         * module.c (dump_module): Use lbasename to ensure that module
1283         files are reproducible.
1284
1285 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1286
1287         PR fortran/84273
1288         * resolve.c (resolve_component): Fix checks of passed argument in
1289         procedure-pointer components.
1290
1291 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1292
1293         PR fortran/35299
1294         * resolve.c (resolve_formal_arglist): Update error message.
1295
1296 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1297
1298         * gfortran.texi: Fix typos in documentation of caf_register ().
1299         * trans-array.c (structure_alloc_comps): Only register a component of
1300         a derived typed corray, not of an ultimate component coarray.
1301
1302 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1303
1304         PR fortran/54223
1305         PR fortran/84276
1306         * interface.c (compare_actual_formal): Add in_statement_function
1307         bool parameter.  Skip check of INTENT attribute for statement
1308         functions.  Arguments to a statement function cannot be optional,
1309         issue error for missing argument.
1310         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1311          in_statement_function.
1312
1313 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1314
1315         PR fortran/84074
1316         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1317         flag. If the is a vector subscript or the expression is not a
1318         variable, make the descriptor one-based.
1319
1320 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1321
1322         PR fortran/84141
1323         PR fortran/84155
1324         * trans-array.c (gfc_array_init_size): Revert the change made
1325         in revision 257356 setting the dtype.
1326         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1327         Call gfc_get_dtype_rank_type every time.
1328
1329         PR fortran/56691
1330         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1331         is a descriptor type, use its offset, removing the condition
1332         that is be a class expression.
1333
1334 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1335
1336         PR fortran/82994
1337         * match.c (gfc_match_deallocate): Check for NULL pointer.
1338
1339 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1340
1341         PR fortran/68560
1342         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1343         (gfc_conv_intrinsic_function): Call it.
1344
1345 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1346
1347         PR fortran/82049
1348         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1349         try to resolve it.  While here return early if possible.
1350
1351 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1352
1353         PR fortran/84115
1354         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1355         'length' if the symbol charlen backend_decl is an indirect ref.
1356
1357 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1358
1359         PR fortran/84141
1360         PR fortran/84155
1361         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1362         use gfc_get_dtype_rank_type.
1363
1364 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1365
1366         PR 83975
1367         PR 83344
1368         * resolve.c (resolve_assoc_var): Generate an error if
1369         target length unknown.
1370
1371 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1372
1373         PR fortran/83705
1374         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1375         to runtime, print a warning message.
1376
1377 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1378
1379         PR fortran/84116
1380         * openmp.c (gfc_match_omp_clauses): If all the linear
1381         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1382         nor set *head = NULL.  Formatting fixes.
1383
1384 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1385
1386         PR fortran/84088
1387         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1388         an address expression passed to an assumed rank dummy, convert
1389         to an indirect reference.
1390
1391 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1392
1393         * dump-parse-tree.c (write_proc): Use sym_name (which may
1394         be sym->binding_label) instead of sym->name.
1395
1396 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1397
1398         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1399         of int for slen.
1400
1401 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1402
1403         PR fortran/78534
1404         * trans-expr.c (fill_with_spaces): Use memset instead of
1405         generating loop.
1406         (gfc_trans_string_copy): Improve opportunity to use builtins with
1407         constant lengths.
1408
1409 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1410
1411         PR debug/84131
1412         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1413         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1414
1415 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1416
1417         PR fortran/84134
1418         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1419         zero, return false.
1420
1421 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1422
1423         PR fortran/84133
1424         * frontend-passes (matmul_to_var_expr): Return early if
1425         in association list.
1426         (inline_matmul_assign): Likewise.
1427
1428 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1429
1430         PR fortran/84073
1431         * resolve.c (resolve_component): Ensure BIND(C) character
1432         components have length one.
1433         (resolve_symbol): Likewise for variables.
1434
1435 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR fortran/84065
1438         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1439         lengths.
1440
1441 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1442             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1443             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1444
1445         Partial support for Fortran 2018 teams features.
1446
1447         * array.c (gfc_match_array_ref): add team attribute in coarray
1448         transfers.
1449         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1450         functions for get_team and team_number.
1451         * dump-parse-tree.c (show_code_node): add new statements: form team,
1452         change team, end team, and sync team.
1453         * expr.c (gfc_find_team_co): add new function.
1454         * gfortran.h: add new statements.
1455         * intrinsic.c (add_functions): add get_team and team_number functions.
1456         * intrinsic.h: add get_team and team_number prototypes for check,
1457         simplify, and resolve.
1458         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1459         functions.
1460         * iso-fortran-env.def: add the team_type derived type.
1461         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1462         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1463         add change team, end team, form team, sync team match and functions.
1464         * match.h: add new prototypes for change team, end team, form team,
1465         and sync team.
1466         * parse.c (decode_statement): add cases for change team, end team,
1467         form team, and sync team.
1468         * resolve.c: add cases for exec form team, change team, end team, and
1469         sync team.
1470         * simplify.c (gfc_simplify_get_team): add new function for get team.
1471         * st.c (gfc_free_statement): add cases exec for change team, end team,
1472         form team, sync team.
1473         * trans-decl.c (gfor_fndecl_caf_form_team)
1474         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1475         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1476         (gfor_fndecl_caf_team_number): add functions and definitions.
1477         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1478         new function and team_type argument support.
1479         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1480         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1481         * trans-stmt.h: add new prototypes.
1482         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1483         * trans.c (trans_code): new exec cases for form team, change team, end
1484         team, and sync team.
1485         * trans.h: add new prototypes.
1486
1487 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1488
1489         PR fortran/83998
1490         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1491         or .false.  The summation does the correct type conversion.
1492         (gfc_simplify_dot_product): Special case zero-sized arrays.
1493
1494 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1495
1496         PR fortran/37577
1497         * array.c (gfc_match_array_ref): If standard earlier than F2008
1498         it is an error if the reference dimension is greater than 7.
1499         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1500         dtype masks and shifts accordingly.
1501         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1502         type node to check the field.
1503         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1504         (duplicate_allocatable_coarray): Access the rank field of the
1505         dtype descriptor rather than the dtype itself.
1506         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1507         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1508         (ie. a character).
1509         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1510         get_scalar_to_descriptor_type if the actual expression is a
1511         constant.
1512         (gfc_trans_structure_assign): Assign the rank directly to the
1513         dtype rank field.
1514         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1515         to default integer kind.
1516         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1517         'elem_len' field of the dtype.
1518         * trans-io.c (gfc_build_io_library_fndecls): Replace
1519         gfc_int4_type_node with dtype_type_node where necessary.
1520         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1521         scalars.
1522         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1523         dtype_type_node and, if necessary, build it.
1524         The maximum size of an array element is now determined by the
1525         maximum value of size_t.
1526         Update the description of the array descriptor, including the
1527         type def for the dtype_type.
1528         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1529         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1530         (gfc_get_array_descriptor_base): Change the type of the dtype
1531         field to dtype_type_node.
1532         (gfc_get_array_descr_info): Get the offset to the rank field of
1533         the dtype.
1534         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1535         * trans.h : Define the indices of the dtype fields.
1536
1537 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1538
1539         PR fortran/83866
1540         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1541         and emit error about garbage after declaration.
1542
1543 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1544
1545         PR fortran/83898
1546         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1547         for characters.
1548
1549 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1550
1551         PR 78534
1552         PR 83704
1553         * arith.c (gfc_arith_concat): Use size_t for string length.
1554         (gfc_compare_string): Likewise.
1555         (gfc_compare_with_Cstring): Likewise.
1556         * array.c (gfc_resolve_character_array_constructor): Use
1557         HOST_WIDE_INT, gfc_mpz_get_hwi.
1558         * check.c (gfc_check_fe_runtime_error): Use size_t.
1559         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1560         gfc_extract_hwi.
1561         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1562         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1563         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1564         gfc_extract_hwi.
1565         (gfc_apply_init): Likewise.
1566         * match.h (gfc_set_constant_character_len): Update prototype.
1567         * primary.c (match_string_constant): Use size_t.
1568         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1569         gfc_mpz_get_hwi.
1570         * simplify.c (init_result_expr): Likewise.
1571         (gfc_simplify_len_trim): Use size_t.
1572         * target-memory.c (gfc_encode_character): Use size_t.
1573         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1574         (interpret_array): Use size_t.
1575         (gfc_interpret_character): Likewise.
1576         * target-memory.h (gfc_encode_character): Update prototype.
1577         (gfc_interpret_character): Likewise.
1578         (gfc_target_interpret_expr): Likewise.
1579         * trans-const.c (gfc_build_string_const): Use size_t for length
1580         argument.
1581         (gfc_build_wide_string_const): Likewise.
1582         * trans-const.h (gfc_build_string_const): Likewise.
1583         (gfc_build_wide_string_const): Likewise.
1584
1585 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1586
1587         PR fortran/83900
1588     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1589
1590 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1591
1592         PR fortran/83900
1593         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1594
1595 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1596
1597         PR fortran/83864
1598         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1599
1600 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1601
1602         PR fortran/83874
1603         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1604
1605 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1606
1607         PR fortran/82257
1608         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1609         from symbol marked unlimited polymorphic.
1610         * resolve.c (resolve_structure_cons): Likewise.
1611         * misc.c (gfc_typename): Don't dereference derived->components
1612         if it's NULL.
1613
1614 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1615
1616         PR fortran/54613
1617         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1618         (gfc_logical_4_kind): New macro
1619         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1620         (gfc_simplify_maxloc): Likewise.
1621         (gfc_resolve_maxloc): Likewise.
1622         (gfc_resolve_minloc): Likewise.
1623         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1624         argument; also raise error if it is used (for now). Add it
1625         if it isn't present.
1626         * intrinsic.c (add_sym_4ml): Rename to
1627         (add_sym_5ml), adjust for extra argument.
1628         (add_functions): Add "back" constant. Adjust maxloc and minloc
1629         for back argument.
1630         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1631         not of gfc_logical_4_kind, convert.
1632         (gfc_resolve_minloc): Likewise.
1633         * simplify.c (gfc_simplify_minloc): Add back argument.
1634         (gfc_simplify_maxloc): Likewise.
1635         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1636         argument to %VAL to ensure passing by value.
1637         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1638         also for library calls.
1639
1640 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1641
1642         PR fortran/82007
1643         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1644         format specifiers in format strings. Set formatted to true if a
1645         format string or format label is present.
1646         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1647         whitespace.
1648
1649 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1650
1651         PR fortran/83744
1652         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1653         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1654         and BT_CHARACTER.
1655         (write_decl): Add where argument. Fix indentation. Replace
1656         assert with error message. Add typename to warning
1657         in comment.
1658         (write_type): Adjust locus to call of write_decl.
1659         (write_variable): Likewise.
1660         (write_proc): Likewise. Replace assert with error message.
1661
1662 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1663
1664         PR fortran/52162
1665         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1666         the rhs expression is neither an elemental nor a conversion
1667         function.
1668
1669         PR fortran/83622
1670         * trans-array.c (is_pointer_array): Remove unconditional return
1671         of false for -fopenmp.
1672
1673 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1674         <emsr@gcc.gnu.org>
1675
1676         PR fortran/83803
1677         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1678         for functions.
1679
1680 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1681
1682         PR fortran/82367
1683         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1684
1685 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1686
1687         PR fortran/83093
1688         * resolve.c (resolve_charlen): Check the type of cl->length
1689         after resolution.
1690
1691 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1692
1693         PR fortran/83740
1694         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1695
1696 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1697
1698         PR fortran/83740
1699         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1700         LHS type when assigning.
1701
1702 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1703
1704         PR fortran/83742
1705         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1706
1707 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1708
1709         * match.c (gfc_match_allocate): Check for NULL pointer.
1710
1711 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1712
1713         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1714
1715 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1716
1717         PR fortran/83611
1718         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1719         an initializer, convert the kind parameters and add to the
1720         component if the instance.
1721         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1722         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1723         for parameterized arrays. Clean up typos in comments. Convert
1724         parameterized array initializers and copy into the array.
1725         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1726         parameterized types.
1727         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1728         as necessary, when they are PDT function results for example.
1729
1730         PR fortran/83731
1731         * trans-array.c (structure_alloc_comps): Only compare len parms
1732         when they are declared explicitly.
1733
1734 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1735
1736         PR fortran/50892
1737         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1738         lhs type.
1739
1740 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1741
1742         PR fortran/78534
1743         PR fortran/66310
1744         * array.c (got_charlen): Use gfc_charlen_int_kind.
1745         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1746         hardcoded kind.
1747         (find_intrinsic_vtab): Likewise.
1748         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1749         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1750         (gfc_match_implicit): Use gfc_charlen_int_kind.
1751         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1752         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1753         * expr.c (gfc_get_character_expr): Length parameter of type
1754         gfc_charlen_t.
1755         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1756         (gfc_extract_hwi): New function.
1757         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1758         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1759         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1760         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1761         (gfc_mpz_set_hwi): Likewise.
1762         (gfc_charlen_t): New typedef.
1763         (gfc_expr): Use gfc_charlen_t for character lengths.
1764         (gfc_size_kind): New extern variable.
1765         (gfc_extract_hwi): New prototype.
1766         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1767         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1768         * gfortran.texi: Update description of hidden string length argument.
1769         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1770         (gfc_resolve_char_achar): Likewise.
1771         (gfc_resolve_repeat): Pass string length directly without
1772         temporary, use gfc_charlen_int_kind.
1773         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1774         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1775         * misc.c (gfc_mpz_get_hwi): New function.
1776         (gfc_mpz_set_hwi): New function.
1777         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1778         (parse_integer): Don't complain about large integers.
1779         (write_atom): Use HOST_WIDE_INT for integers.
1780         (mio_integer): Handle integer type mismatch.
1781         (mio_hwi): New function.
1782         (mio_intrinsic_op): Use HOST_WIDE_INT.
1783         (mio_array_ref): Likewise.
1784         (mio_expr): Likewise.
1785         * primary.c (match_substring): Use gfc_charlen_int_kind.
1786         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1787         (resolve_character_operator): Likewise.
1788         (resolve_assoc_var): Likewise.
1789         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1790         (resolve_charlen): Use mpz_sgn to determine sign.
1791         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1792         instead of long.
1793         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1794         * target-memory.c (size_character): Length argument of type
1795         gfc_charlen_t.
1796         (gfc_encode_character): Likewise.
1797         (gfc_interpret_character): Use gfc_charlen_t.
1798         * target-memory.h (gfc_encode_character): Modify prototype.
1799         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1800         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1801         (trans_array_constructor): Use existing type.
1802         (get_array_charlen): Likewise.
1803         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1804         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1805         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1806         (add_argument_checking): Likewise.
1807         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1808         gfc_charlen_type_node.
1809         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1810         4, fold_convert to correct type.
1811         (gfc_conv_class_to_class): Build const of type size_type_node for
1812         size.
1813         (gfc_copy_class_to_class): Likewise.
1814         (gfc_conv_string_length): Use same type in expression.
1815         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1816         (gfc_conv_string_tmp): Make sure len is of the right type.
1817         (gfc_conv_concat_op): Use same type in expression.
1818         (gfc_conv_procedure_call): Likewise.
1819         (fill_with_spaces): Comment out memset() block due to spurious
1820         -Wstringop-overflow warnings.
1821         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1822         (alloc_scalar_allocatable_for_subcomponent_assignment):
1823         fold_convert to right type.
1824         (gfc_trans_subcomponent_assign): Likewise.
1825         (trans_class_vptr_len_assignment): Build const of correct type.
1826         (gfc_trans_pointer_assignment): Likewise.
1827         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1828         type in expr.
1829         (trans_class_assignment): Build const of correct type.
1830         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1831         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1832         * trans-io.c (gfc_build_io_library_fndecls): Use
1833         gfc_charlen_type_node for character lengths.
1834         (set_string): Convert to right type in assignment.
1835         * trans-stmt.c (gfc_trans_label_assign): Build const of
1836         gfc_charlen_type_node.
1837         (trans_associate_var): Likewise.
1838         (gfc_trans_character_select): Likewise.
1839         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1840         (gfc_trans_deallocate): Don't typecast strlen result.
1841         * trans-types.c (gfc_size_kind): New variable.
1842         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1843         from size_type_node.
1844         * trans-types.h: Fix comment.
1845
1846 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1847
1848         PR fortran/83683
1849         PR fortran/45689
1850         * check.c (gfc_check_eoshift): Check for string length and
1851         for conformance of boundary.
1852         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1853         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1854         * simplify.c (gfc_simplify_eoshift): New function.
1855
1856 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1857             Alan Hayward  <alan.hayward@arm.com>
1858             David Sherwood  <david.sherwood@arm.com>
1859
1860         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1861
1862 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1863             Alan Hayward  <alan.hayward@arm.com>
1864             David Sherwood  <david.sherwood@arm.com>
1865
1866         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1867
1868 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1869
1870         PR fortran/83664
1871         * check.c (gfc_check_eoshift): Error for missing boundary if array
1872         is not one of the standard types.
1873
1874 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1875
1876         Update copyright years.
1877
1878         * gfortranspec.c (lang_specific_driver): Update copyright notice
1879         dates.
1880         * gfc-internals.texi: Bump @copying's copyright year.
1881         * gfortran.texi: Ditto.
1882         * intrinsic.texi: Ditto.
1883         * invoke.texi: Ditto.
1884
1885 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1886
1887         PR fortran/45689
1888         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1889         gfc_simplify_minloc to maxloc and minloc, respectively.
1890         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1891         and gfc_simplify_maxloc.
1892         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1893         to have a return value which indicates if the extremum was found.
1894         (is_constant_array_expr): Fix typo in comment.
1895         (simplify_minmaxloc_to_scalar): New function.
1896         (simplify_minmaxloc_nodim): New function.
1897         (new_array): New function.
1898         (simplify_minmaxloc_to_array): New function.
1899         (gfc_simplify_minmaxloc): New function.
1900         (simplify_minloc): New function.
1901         (simplify_maxloc): New function.
1902
1903 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1904
1905         PR fortran/45689
1906         PR fortran/83650
1907         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1908         range of arguments.
1909
1910 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1911
1912         PR fortran/83076
1913         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1914         allocatable and pointer scalars, when -fcoarray selected.
1915         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1916         field as well as the backend_decl.
1917         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1918         derived types that are not vtypes. Components with caf_token
1919         attribute are pvoid types. For a component requiring it, find
1920         the caf_token field and have the component token field point to
1921         its backend_decl.
1922
1923         PR fortran/83319
1924         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1925         field to the descriptor even when codimen not set.
1926 \f
1927 Copyright (C) 2018 Free Software Foundation, Inc.
1928
1929 Copying and distribution of this file, with or without modification,
1930 are permitted in any medium without royalty provided the copyright
1931 notice and this notice are preserved.