gcc/fortran/ChangeLog

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