gcc/cp/ChangeLog

   1 2023-04-28  Eugene Rozenfeld  <erozen@microsoft.com>
   2
   3         * Make-lang.in: Merge perf data collected when compiling cc1plus and runtime libraries
   4
   5 2023-04-27  Jason Merrill  <jason@redhat.com>
   6
   7         * call.cc (print_conversion_rejection): Use iloc_sentinel.
   8
   9 2023-04-27  Jason Merrill  <jason@redhat.com>
  10
  11         PR c++/61445
  12         * pt.cc (instantiate_decl): Assert !defer_ok for local
  13         class members.
  14
  15 2023-04-26  Jason Merrill  <jason@redhat.com>
  16
  17         * init.cc (nsdmi_inst): Remove.
  18         (maybe_instantiate_nsdmi_init): Use DECL_INITIAL instead.
  19
  20 2023-04-26  Jason Merrill  <jason@redhat.com>
  21
  22         PR c++/109241
  23         * pt.cc (instantiate_class_template): Do partially instantiate.
  24         (tsubst_expr): Do call complete_type for partial instantiations.
  25
  26 2023-04-26  Jason Merrill  <jason@redhat.com>
  27
  28         PR c++/69836
  29         * pt.cc (regenerate_decl_from_template): Skip unique friends.
  30
  31 2023-04-26  Patrick Palka  <ppalka@redhat.com>
  32
  33         * pt.cc (most_specialized_partial_spec): Exit early when
  34         DECL_TEMPLATE_SPECIALIZATIONS is empty.  Move local variable
  35         declarations closer to their first use.  Remove redundant
  36         flag_concepts test.  Remove redundant forward declaration.
  37
  38 2023-04-25  Patrick Palka  <ppalka@redhat.com>
  39
  40         PR c++/108975
  41         * pt.cc (value_dependent_expression_p) <case VAR_DECL>:
  42         Suppress conservative early exit for reference variables
  43         when DECL_HAS_VALUE_EXPR_P.
  44
  45 2023-04-25  Tobias Burnus  <tobias@codesourcery.com>
  46
  47         * parser.cc (cp_parser_omp_scan_loop_body): Handle
  48         zero exec statements before/after 'omp scan'.
  49
  50 2023-04-24  Patrick Palka  <ppalka@redhat.com>
  51
  52         * cp-tree.h (cp_expr_location): Define here.
  53         * tree.cc (cp_expr_location): Don't define here.
  54
  55 2023-04-21  Jason Merrill  <jason@redhat.com>
  56
  57         PR c++/108099
  58         * decl.cc (grokdeclarator): Don't clear typedef_decl after 'unsigned
  59         typedef' pedwarn.  Use c_common_signed_or_unsigned_type.  Also
  60         handle 'signed typedef'.
  61
  62 2023-04-21  Patrick Palka  <ppalka@redhat.com>
  63
  64         * tree.cc (cp_walk_subtrees): Avoid repeatedly dereferencing tp.
  65         <case DECLTYPE_TYPE>: Use cp_unevaluated and WALK_SUBTREE.
  66         <case ALIGNOF_EXPR etc>: Likewise.
  67
  68 2023-04-20  Patrick Palka  <ppalka@redhat.com>
  69
  70         * pt.cc (tsubst) <case TEMPLATE_TYPE_PARM>: Don't recurse when
  71         level lowering a cv-qualified type template parameter.  Remove
  72         recursive loop breaker in the level lowering case for constrained
  73         autos.  Use the TEMPLATE_PARM_DESCENDANTS cache in this case as
  74         well.
  75
  76 2023-04-20  Patrick Palka  <ppalka@redhat.com>
  77
  78         * constraint.cc (diagnose_trait_expr): Convert a TREE_VEC
  79         of arguments into a TREE_LIST for sake of pretty printing.
  80         * cxx-pretty-print.cc (pp_cxx_trait): Handle TREE_VEC
  81         instead of TREE_LIST of trailing variadic trait arguments.
  82         * method.cc (constructible_expr): Likewise.
  83         (is_xible_helper): Likewise.
  84         * parser.cc (cp_parser_trait): Represent trailing variadic trait
  85         arguments as a TREE_VEC instead of TREE_LIST.
  86         * pt.cc (value_dependent_expression_p): Handle TREE_VEC
  87         instead of TREE_LIST of trailing variadic trait arguments.
  88         * semantics.cc (finish_type_pack_element): Likewise.
  89         (check_trait_type): Likewise.
  90
  91 2023-04-20  Patrick Palka  <ppalka@redhat.com>
  92
  93         * tree.cc (strip_typedefs): Move TREE_LIST handling to
  94         strip_typedefs_expr.  Dispatch to strip_typedefs_expr for
  95         non-type 't'.
  96         <case TYPENAME_TYPE>: Remove manual dispatching to
  97         strip_typedefs_expr.
  98         <case TRAIT_TYPE>: Likewise.
  99         (strip_typedefs_expr): Replaces calls to strip_typedefs_expr
 100         with strip_typedefs throughout.  Don't dispatch to strip_typedefs
 101         for type 't'.
 102         <case TREE_LIST>: Replace this with the better version from
 103         strip_typedefs.
 104
 105 2023-04-19  Patrick Palka  <ppalka@redhat.com>
 106             Jonathan Wakely  <jwakely@redhat.com>
 107
 108         PR c++/100157
 109         * cp-trait.def (TYPE_PACK_ELEMENT): Define.
 110         * cp-tree.h (finish_trait_type): Add complain parameter.
 111         * cxx-pretty-print.cc (pp_cxx_trait): Handle
 112         CPTK_TYPE_PACK_ELEMENT.
 113         * parser.cc (cp_parser_constant_expression): Document default
 114         arguments.
 115         (cp_parser_trait): Handle CPTK_TYPE_PACK_ELEMENT.  Pass
 116         tf_warning_or_error to finish_trait_type.
 117         * pt.cc (tsubst) <case TRAIT_TYPE>: Handle non-type first
 118         argument.  Pass complain to finish_trait_type.
 119         * semantics.cc (finish_type_pack_element): Define.
 120         (finish_trait_type): Add complain parameter.  Handle
 121         CPTK_TYPE_PACK_ELEMENT.
 122         * tree.cc (strip_typedefs): Handle non-type first argument.
 123         Pass tf_warning_or_error to finish_trait_type.
 124         * typeck.cc (structural_comptypes) <case TRAIT_TYPE>: Use
 125         cp_tree_equal instead of same_type_p for the first argument.
 126
 127 2023-04-19  Patrick Palka  <ppalka@redhat.com>
 128
 129         PR c++/109556
 130         * pt.cc (try_class_unification): Don't ggc_free the copy of
 131         'targs'.
 132
 133 2023-04-19  Jason Merrill  <jason@redhat.com>
 134
 135         PR c++/108099
 136         * decl.cc (grokdeclarator): Keep typedef_decl for __int128_t.
 137
 138 2023-04-17  Patrick Palka  <ppalka@redhat.com>
 139
 140         PR c++/109531
 141         * pt.cc (tsubst) <case BOUND_TEMPLATE_TEMPLATE_PARM>:
 142         In the level-lowering case just use lookup_template_class
 143         to rebuild the bound ttp.
 144
 145 2023-04-15  Jason Merrill  <jason@redhat.com>
 146
 147         PR c++/109357
 148         * constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]:
 149         Check for complex initializer.
 150
 151 2023-04-13  Patrick Palka  <ppalka@redhat.com>
 152
 153         PR c++/109420
 154         * decl.cc (make_typename_type): Also ignore non-types during the
 155         lookup if tag_type corresponds to an elaborated-type-specifier.
 156         * pt.cc (tsubst) <case TYPENAME_TYPE>: Pass class_type or
 157         enum_type as tag_type to make_typename_type accordingly instead
 158         of always passing typename_type.
 159
 160 2023-04-13  Jason Merrill  <jason@redhat.com>
 161
 162         PR c++/109277
 163         * semantics.cc (check_trait_type): Handle incomplete type directly.
 164         * typeck2.cc (cxx_incomplete_type_diagnostic): Remove assert.
 165
 166 2023-04-13  Jason Merrill  <jason@redhat.com>
 167
 168         * typeck2.cc (cxx_incomplete_type_diagnostic): Return bool.
 169         * cp-tree.h (cxx_incomplete_type_diagnostic): Adjust.
 170
 171 2023-04-12  Jakub Jelinek  <jakub@redhat.com>
 172
 173         * Make-lang.in (s-cp-module-version): New target.
 174         (cp/module.o): Depend on it.
 175         (MODULE_VERSION): Remove variable.
 176         (CFLAGS-cp/module.o): For -DMODULE_VERSION= argument just
 177         cat s-cp-module-version.
 178
 179 2023-04-09  Iain Sandoe  <iain@sandoe.co.uk>
 180
 181         * coroutines.cc (coro_rewrite_function_body): Ensure that added
 182         bind expressions have scope blocks.
 183
 184 2023-04-04  Jason Merrill  <jason@redhat.com>
 185
 186         PR c++/107484
 187         * decl2.cc (find_last_decl): Return early if DECL_USE_TEMPLATE.
 188
 189 2023-04-03  Patrick Palka  <ppalka@redhat.com>
 190
 191         PR c++/109300
 192         * decl.cc (cp_finish_decl): Diagnose ordinary auto deduction
 193         with no initializer, instead of asserting.
 194
 195 2023-04-01  Patrick Palka  <ppalka@redhat.com>
 196
 197         PR c++/109160
 198         * cp-tree.h (do_auto_deduction): Add defaulted tmpl parameter.
 199         * pt.cc (convert_template_argument): Pass 'in_decl' as 'tmpl' to
 200         do_auto_deduction.
 201         (tsubst_decl) <case VAR_/TYPE_DECL>: Pass 'tmpl' instead of 't' as
 202         'in_decl' to coerce_template_parms.
 203         (unify) <case TEMPLATE_PARM_INDEX>: Pass TPARMS_PRIMARY_TEMPLATE
 204         as 'tmpl' to do_auto_deduction.
 205         (do_auto_deduction): Document default arguments.  Rename local
 206         variable 'tmpl' to 'ctmpl'.  Use 'tmpl' to obtain a full set of
 207         template arguments for satisfaction in the adc_unify case.
 208
 209 2023-04-01  Patrick Palka  <ppalka@redhat.com>
 210
 211         PR c++/53164
 212         PR c++/105848
 213         * pt.cc (invalid_tparm_referent_p): Accept ADDR_EXPR of
 214         FUNCTION_DECL.
 215         (instantiate_class_template): Call mark_template_arguments_used.
 216         (tsubst_copy_and_build) <case CALL_EXPR>: Revert r13-995 change.
 217         (mark_template_arguments_used): Define.
 218         (instantiate_body): Call mark_template_arguments_used.
 219
 220 2023-04-01  Iain Sandoe  <iain@sandoe.co.uk>
 221
 222         PR c++/101118
 223         * coroutines.cc (flatten_await_stmt): Use the current count of
 224         promoted temporaries to build a unique name for the frame entries.
 225
 226 2023-03-30  Jason Merrill  <jason@redhat.com>
 227
 228         PR c++/105452
 229         * search.cc (type_context_for_name_lookup): New.
 230         (accessible_p): Handle anonymous union.
 231         * init.cc (maybe_instantiate_nsdmi_init): Use
 232         type_context_for_name_lookup.
 233         * parser.cc (cp_parser_class_specifier): Likewise.
 234         * cp-tree.h (type_context_for_name_lookup): Declare.
 235
 236 2023-03-30  Jason Merrill  <jason@redhat.com>
 237
 238         PR c++/105221
 239         * pt.cc (unify) [FUNCTION_TYPE]: Handle function pointer
 240         conversions.
 241
 242 2023-03-30  Jakub Jelinek  <jakub@redhat.com>
 243
 244         PR c++/109319
 245         * decl2.cc (grok_array_decl): After emitting a pedwarn for
 246         -Wcomma-subscript, if processing_template_decl set orig_index_exp
 247         to compound expr from orig_index_exp_list.
 248
 249 2023-03-30  Jason Merrill  <jason@redhat.com>
 250
 251         PR c++/107897
 252         PR c++/108887
 253         * decl2.cc (record_mangling): Use symtab_node::reset.
 254
 255 2023-03-30  Jakub Jelinek  <jakub@redhat.com>
 256
 257         PR c++/109278
 258         * call.cc (convert_like_internal): If pedwarn for extended float
 259         type conversions doesn't report anything, avoid calling
 260         maybe_inform_about_fndecl_for_bogus_argument_init.
 261
 262 2023-03-29  Jason Merrill  <jason@redhat.com>
 263
 264         PR c++/109321
 265         PR c++/109320
 266         * pt.cc (alias_ctad_tweaks): Rewrite deduced args.
 267         (type_targs_deducible_from): Handle null pack deduction.
 268
 269 2023-03-28  David Malcolm  <dmalcolm@redhat.com>
 270
 271         PR c/107002
 272         * parser.cc (cp_parser_binary_expression): Update for new param of
 273         check_for_xor_used_as_pow.
 274
 275 2023-03-28  Jakub Jelinek  <jakub@redhat.com>
 276
 277         PR c++/109309
 278         * contracts.cc: Include intl.h.
 279         (check_postcondition_result): Don't form diagnostics from two halves
 280         of an English message to allow translations.
 281
 282 2023-03-24  Patrick Palka  <ppalka@redhat.com>
 283
 284         PR c++/106969
 285         * parser.cc (cp_parser_class_specifier): Clear current_class_ptr
 286         and current_class_ref sooner, before parsing a class definition.
 287
 288 2023-03-24  Jason Merrill  <jason@redhat.com>
 289
 290         PR c++/105481
 291         * pt.cc (type_unification_real): Adjust for partial ordering.
 292
 293 2023-03-23  Jason Merrill  <jason@redhat.com>
 294
 295         PR c++/105996
 296         * typeck.cc (build_ptrmemfunc): Drop 0-offset optimization
 297         and location wrappers.
 298
 299 2023-03-23  Marek Polacek  <polacek@redhat.com>
 300
 301         PR c++/107532
 302         * call.cc (class_has_reference_member_p): New.
 303         (class_has_reference_member_p_r): New.
 304         (reference_like_class_p): Don't look for a specific constructor.
 305         Use a DFS walk with class_has_reference_member_p_r.
 306
 307 2023-03-23  Jason Merrill  <jason@redhat.com>
 308
 309         PR c++/109241
 310         * pt.cc (find_parameter_packs_r): Handle null TREE_BINFO.
 311
 312 2023-03-22  Jason Merrill  <jason@redhat.com>
 313
 314         PR c++/108390
 315         * pt.cc (unify): Use fold of build_nop instead of fold_convert.
 316
 317 2023-03-22  Jason Merrill  <jason@redhat.com>
 318
 319         PR c++/108795
 320         * semantics.cc (finish_id_expression_1): Check scope before
 321         returning id_expression.
 322
 323 2023-03-22  Alex Coplan  <alex.coplan@arm.com>
 324
 325         PR c++/109177
 326         * call.cc (build_over_call): Use make_temp_override to suppress
 327         both unavailable and deprecated warnings when calling
 328         build_addr_func.
 329
 330 2023-03-21  Jason Merrill  <jason@redhat.com>
 331
 332         PR c++/106890
 333         * init.cc (maybe_instantiate_nsdmi_init): Don't leave
 334         current_function_decl set to a constructor.
 335
 336 2023-03-20  Marek Polacek  <polacek@redhat.com>
 337
 338         PR c++/109159
 339         * call.cc (add_template_candidate_real): Add explicit decls to the
 340         set of candidates when the initializer is a braced-init-list.
 341
 342 2023-03-20  Jakub Jelinek  <jakub@redhat.com>
 343
 344         PR c++/109164
 345         * cp-tree.h (var_needs_tls_wrapper): Declare.
 346         * decl2.cc (var_needs_tls_wrapper): No longer static.
 347         * decl.cc (cp_finish_decl): Clear TREE_READONLY on TLS variables
 348         for which a TLS wrapper will be needed.
 349
 350 2023-03-17  Jason Merrill  <jason@redhat.com>
 351
 352         PR c++/108975
 353         * lambda.cc (prune_lambda_captures): Don't bother in a template.
 354
 355 2023-03-17  Jason Merrill  <jason@redhat.com>
 356
 357         PR c++/109172
 358         * except.cc (build_throw): Check dtor access.
 359
 360 2023-03-17  Jason Merrill  <jason@redhat.com>
 361
 362         PR c++/69410
 363         * friend.cc (do_friend): Handle namespace as scope argument.
 364         * decl.cc (grokdeclarator): Pass down in_namespace.
 365
 366 2023-03-16  Jason Merrill  <jason@redhat.com>
 367
 368         PR c++/105809
 369         * init.cc (get_nsdmi): Split out...
 370         (maybe_instantiate_nsdmi_init): ...this function.
 371         * cp-tree.h: Declare it.
 372         * pt.cc (tsubst_expr): Use it.
 373
 374 2023-03-16  Jason Merrill  <jason@redhat.com>
 375
 376         PR c++/108242
 377         * pt.cc (tsubst_expr) [TAG_DEFN]: Handle partial instantiation.
 378
 379 2023-03-16  Jason Merrill  <jason@redhat.com>
 380
 381         PR c++/101869
 382         * semantics.cc (finish_qualified_id_expr): Don't try to build a
 383         pointer-to-member if the scope is an enumeration.
 384
 385 2023-03-16  Patrick Palka  <ppalka@redhat.com>
 386
 387         PR c++/109030
 388         * constexpr.cc (maybe_constant_init_1): For an unevaluated
 389         non-manifestly-constant operand, don't constant evaluate
 390         and instead call fold_to_constant as in maybe_constant_value.
 391
 392 2023-03-16  Patrick Palka  <ppalka@redhat.com>
 393
 394         PR c++/100288
 395         * constraint.cc (satisfaction_cache::get): Relax overly strict
 396         checking assert in the constraint recursion case.
 397
 398 2023-03-16  Jason Merrill  <jason@redhat.com>
 399
 400         PR c++/105406
 401         * coroutines.cc (build_co_await): Handle lvalue 'o'.
 402
 403 2023-03-15  Jason Merrill  <jason@redhat.com>
 404
 405         PR c++/103871
 406         PR c++/98056
 407         * typeck.cc (cp_build_modify_expr): Allow array initialization of
 408         DECL_ARTIFICIAL variable.
 409
 410 2023-03-15  Marek Polacek  <polacek@redhat.com>
 411
 412         PR c++/107280
 413         * constexpr.cc (cxx_eval_store_expression): Strip location wrappers.
 414
 415 2023-03-15  Jason Merrill  <jason@redhat.com>
 416
 417         PR c++/58538
 418         * semantics.cc (check_template_template_default_arg): Check
 419         maybe_get_template_decl_from_type_decl.
 420
 421 2023-03-15  Jason Merrill  <jason@redhat.com>
 422
 423         PR c++/108179
 424         PR c++/104107
 425         PR c++/95036
 426         * pt.cc (coerce_template_template_parms): Use args from
 427         DECL_CONTEXT (arg_tmpl) instead of outer_args.
 428
 429 2023-03-15  Jason Merrill  <jason@redhat.com>
 430
 431         PR c++/108179
 432         * pt.cc (coerce_template_template_parms): Take the arg and parm
 433         templates directly.
 434         (coerce_template_template_parm): Adjust.
 435         (template_template_parm_bindings_ok_p): Adjust.
 436         (convert_template_argument): Adjust.
 437
 438 2023-03-14  Patrick Palka  <ppalka@redhat.com>
 439
 440         PR c++/96830
 441         * pt.cc (push_inline_template_parms_recursive): Set
 442         TEMPLATE_PARMS_CONSTRAINTS.
 443         (push_template_decl): For an out-of-line declaration, verify
 444         constraints for each enclosing template scope match those of the
 445         original template declaratation.
 446
 447 2023-03-14  Patrick Palka  <ppalka@redhat.com>
 448
 449         PR c++/96830
 450         * pt.cc (redeclare_class_template): Add missing "of" in
 451         constraint mismatch diagnostic.
 452         (tsubst_friend_class): For an already declared class template,
 453         substitute and pass the friend declaration's constraints to
 454         redeclare_class_template instead of passing the existing
 455         template's constraints.
 456
 457 2023-03-14  Jason Merrill  <jason@redhat.com>
 458
 459         PR c++/108468
 460         * pt.cc (unify_pack_expansion): Check that TPARMS_PRIMARY_TEMPLATE
 461         is non-null.
 462
 463 2023-03-14  Jason Merrill  <jason@redhat.com>
 464
 465         PR c++/107310
 466         * cp-gimplify.cc (genericize_if_stmt): Restore folding
 467         of constant conditions.
 468
 469 2023-03-14  Jakub Jelinek  <jakub@redhat.com>
 470
 471         PR c++/109096
 472         * tree.cc (record_has_unique_obj_representations): Ignore unnamed
 473         bitfields.
 474
 475 2023-03-13  Jason Merrill  <jason@redhat.com>
 476
 477         PR c++/107128
 478         * parser.cc (cp_parser_set_decl_spec_type): Use
 479         redefined_builtin_type for extended_float_type_p.
 480
 481 2023-03-13  Marek Polacek  <polacek@redhat.com>
 482
 483         PR c++/107532
 484         * call.cc (reference_like_class_p): Check for std::span.
 485
 486 2023-03-10  Jakub Jelinek  <jakub@redhat.com>
 487
 488         PR c++/107558
 489         * decl.cc (cp_finish_decl): Don't clear TREE_READONLY on
 490         automatic non-aggregate variables just because of
 491         -fmerge-all-constants.
 492
 493 2023-03-10  Jakub Jelinek  <jakub@redhat.com>
 494
 495         PR c++/109039
 496         * class.cc (end_of_class): For bit-fields, instead of computing
 497         offset as sum of byte_position (field) and DECL_SIZE_UNIT (field),
 498         compute it as sum of bit_position (field) and DECL_SIZE (field)
 499         divided by BITS_PER_UNIT rounded up.
 500
 501 2023-03-10  Jason Merrill  <jason@redhat.com>
 502
 503         PR c++/108972
 504         * lambda.cc (compare_lambda_template_head): Check more
 505         for error_mark_node.
 506
 507 2023-03-10  Jason Merrill  <jason@redhat.com>
 508
 509         PR c++/108566
 510         * mangle.cc (anon_aggr_naming_decl): New.
 511         (write_unqualified_name): Use it.
 512
 513 2023-03-10  Jakub Jelinek  <jakub@redhat.com>
 514
 515         PR c/108079
 516         * decl.cc (poplevel): Suppress OPT_Wunused_variable warning
 517         after diagnosing it.
 518
 519 2023-03-10  Jason Merrill  <jason@redhat.com>
 520
 521         PR c++/108099
 522         * decl.cc (grokdeclarator): Handle non-typedef typedef_decl.
 523
 524 2023-03-10  Jason Merrill  <jason@redhat.com>
 525
 526         PR c++/108542
 527         * class.cc (instantiate_type): Strip location wrapper.
 528
 529 2023-03-09  Jason Merrill  <jason@redhat.com>
 530
 531         PR c++/108773
 532         * init.cc (find_allocator_temps_r): New.
 533         (combine_allocator_temps): Replace find_allocator_temp.
 534         (build_vec_init): Adjust.
 535
 536 2023-03-09  Jason Merrill  <jason@redhat.com>
 537
 538         DR 2664
 539         PR c++/102529
 540         * pt.cc (alias_ctad_tweaks): Continue after deduction failure.
 541
 542 2023-03-09  Jason Merrill  <jason@redhat.com>
 543             Michael Spertus  <mike@spertus.com>
 544
 545         PR c++/105841
 546         * pt.cc (corresponding_template_parameter_list): Split out...
 547         (corresponding_template_parameter): ...from here.
 548         (find_template_parameters): Factor out...
 549         (find_template_parameter_info::find_in): ...this function.
 550         (find_template_parameter_info::find_in_recursive): New.
 551         (find_template_parameter_info::found): New.
 552         (alias_ctad_tweaks): Only add parms used in the deduced args.
 553
 554 2023-03-09  Jason Merrill  <jason@redhat.com>
 555
 556         * cp-trait.def (IS_DEDUCIBLE): Add space to name.
 557
 558 2023-03-09  Jason Merrill  <jason@redhat.com>
 559
 560         PR c++/105841
 561         * cp-trait.def (IS_DEDUCIBLE): New.
 562         * cxx-pretty-print.cc (pp_cxx_trait): Handle non-type.
 563         * parser.cc (cp_parser_trait): Likewise.
 564         * tree.cc (cp_tree_equal): Likewise.
 565         * pt.cc (tsubst_copy_and_build): Likewise.
 566         (type_targs_deducible_from): New.
 567         (alias_ctad_tweaks): Use it.
 568         * semantics.cc (trait_expr_value): Handle CPTK_IS_DEDUCIBLE.
 569         (finish_trait_expr): Likewise.
 570         * constraint.cc (diagnose_trait_expr): Likewise.
 571         * cp-tree.h (type_targs_deducible_from): Declare.
 572
 573 2023-03-07  Jason Merrill  <jason@redhat.com>
 574
 575         PR c++/108526
 576         PR c++/106651
 577         * pt.cc (tsubst_function_decl): Don't replace the closure
 578         parameter if DECL_STATIC_FUNCTION_P.
 579
 580 2023-03-07  Marek Polacek  <polacek@redhat.com>
 581
 582         PR c++/107532
 583         * call.cc (reference_like_class_p): New.
 584         (do_warn_dangling_reference): Add new bool parameter.  See through
 585         reference_like_class_p.
 586
 587 2023-03-07  Jakub Jelinek  <jakub@redhat.com>
 588
 589         PR c++/109042
 590         * rtti.cc (emit_support_tinfo_1): Don't assert that last
 591         unemitted_tinfo_decls element is tinfo, instead pop from it only in
 592         that case.
 593         * decl2.cc (c_parse_final_cleanups): Don't call emit_tinfo_decl
 594         for unemitted_tinfO_decls which have already non-NULL DECL_INITIAL.
 595
 596 2023-03-07  Marek Polacek  <polacek@redhat.com>
 597
 598         PR c++/109030
 599         * constexpr.cc (cxx_eval_call_expression): Relax assert.
 600
 601 2023-03-07  Marek Polacek  <polacek@redhat.com>
 602
 603         PR c++/107939
 604         * constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>: Pass
 605         'any' when recursing on a VAR_DECL and not a pointer to function.
 606
 607 2023-03-04  Jakub Jelinek  <jakub@redhat.com>
 608
 609         PR c++/108702
 610         * constexpr.cc: Include toplev.h.
 611         (cxx_eval_constant_expression) <case DECL_EXPR>: When seeing a local
 612         static initialized by constant expression outside of a constexpr
 613         function which has been deferred by make_rtl_for_nonlocal_decl,
 614         call rest_of_decl_compilation on it.
 615
 616 2023-03-03  Patrick Palka  <ppalka@redhat.com>
 617
 618         PR c++/108998
 619         * pt.cc (el_data::skipped_trees): New data member.
 620         (extract_locals_r): Push to skipped_trees any unevaluated
 621         contexts that we skipped over.
 622         (extract_local_specs): For the second walk, start from each
 623         tree in skipped_trees.
 624
 625 2023-03-03  Alexandre Oliva  <oliva@adacore.com>
 626
 627         * typeck.cc (cp_build_binary_op): Suppress redundant warning
 628         for pfn null test in pmfn test with vbit-in-delta.
 629
 630 2023-03-02  Jakub Jelinek  <jakub@redhat.com>
 631
 632         PR target/108883
 633         * cp-tree.h (enum cp_tree_index): Remove CPTI_FALLBACK_DFLOAT*_TYPE
 634         enumerators.
 635         (fallback_dfloat32_type, fallback_dfloat64_type,
 636         fallback_dfloat128_type): Remove.
 637         * rtti.cc (emit_support_tinfo_1): If not emitted already, call
 638         emit_tinfo_decl and remove from unemitted_tinfo_decls right away.
 639         (emit_support_tinfos): Move &dfloat*_type_node from fundamentals array
 640         into new fundamentals_with_fallback array.  Call emit_support_tinfo_1
 641         on elements of that array too, with the difference that if
 642         the type is NULL, use a fallback REAL_TYPE for it temporarily.
 643         Drop the !targetm.decimal_float_supported_p () handling.  Call
 644         targetm.emit_support_tinfos at the end.
 645         * mangle.cc (write_builtin_type): Remove references to
 646         fallback_dfloat*_type.  Handle bfloat16_type_node mangling.
 647
 648 2023-03-02  Patrick Palka  <ppalka@redhat.com>
 649
 650         PR c++/108243
 651         PR c++/97553
 652         * cp-gimplify.cc (cp_fully_fold): Add an internal overload that
 653         additionally takes and propagate an mce_value parameter, and
 654         define the existing public overload in terms of it.
 655         (cp_fully_fold_init): Pass mce_false to cp_fully_fold.
 656
 657 2023-03-02  Patrick Palka  <ppalka@redhat.com>
 658
 659         PR c++/108243
 660         * constexpr.cc (maybe_constant_init_1): Override
 661         manifestly_const_eval to true if is_static.
 662
 663 2023-03-02  Jakub Jelinek  <jakub@redhat.com>
 664
 665         PR debug/108716
 666         * cp-gimplify.cc (cp_genericize_r) <case USING_STMT>: Set
 667         DECL_SOURCE_LOCATION on IMPORTED_DECL to expression location
 668         of USING_STMT or input_location.
 669
 670 2023-03-02  Marek Polacek  <polacek@redhat.com>
 671
 672         PR c++/106259
 673         * parser.cc (class_decl_loc_t::diag_mismatched_tags): If the first
 674         lookup of SPEC didn't find anything, try to look for
 675         most_general_template.
 676
 677 2023-03-02  Jakub Jelinek  <jakub@redhat.com>
 678
 679         PR c++/105839
 680         * parser.cc (cp_convert_omp_range_for): Allow in assert
 681         decomp_first_name without DECL_HAS_VALUE_EXPR_P if it has
 682         error_mark_node type.
 683         (cp_finish_omp_range_for): Don't set DECL_HAS_VALUE_EXPR_P back
 684         on decls which have error_mark_node type.
 685
 686 2023-03-01  Marek Polacek  <polacek@redhat.com>
 687
 688         PR c++/107574
 689         * constexpr.cc (cxx_eval_constant_expression): Emit an error when
 690         a PTRMEM_CST cannot be evaluated.
 691
 692 2023-03-01  Patrick Palka  <ppalka@redhat.com>
 693
 694         * pt.cc (tsubst_scope): Define.
 695         (tsubst_decl) <case USING_DECL>: Call tsubst_scope instead of
 696         calling tsubst_scope with tf_qualifying_scope set.
 697         (tsubst_qualified_id): Call tsubst_scope instead of
 698         calling tsubst with tf_qualifying_scope set.
 699         (tsubst_copy): Immediately delegate to tsubst for all TYPE_P
 700         trees.  Remove tf_qualifying_scope manipulation.
 701         <case SCOPE_REF>: Call tsubst_scope instead of calling
 702         tsubst with tf_qualifying_scope set.
 703
 704 2023-03-01  Patrick Palka  <ppalka@redhat.com>
 705             Jason Merrill  <jason@redhat.com>
 706
 707         PR c++/108219
 708         PR c++/108218
 709         * constexpr.cc (fold_to_constant): Define.
 710         (maybe_constant_value): Move up early exit test for unevaluated
 711         operands.  Try reducing an unevaluated operand to a constant via
 712         fold_to_constant.
 713         (fold_non_dependent_expr_template): Add early exit test for
 714         CONSTANT_CLASS_P nodes.  Try reducing an unevaluated operand
 715         to a constant via fold_to_constant.
 716         * cp-tree.h (fold_to_constant): Declare.
 717
 718 2023-03-01  Jakub Jelinek  <jakub@redhat.com>
 719
 720         PR c++/108606
 721         * constexpr.cc (potential_constant_expression_1) <case DECL_EXPR>:
 722         Only recurse on DECL_INITIAL (tmp) if tmp is a VAR_DECL, otherwise
 723         just return true.
 724
 725 2023-02-28  Patrick Palka  <ppalka@redhat.com>
 726
 727         PR c++/108848
 728         * pt.cc (finish_template_variable): Move dependence check
 729         to here from ...
 730         (lookup_and_finish_template_variable): ... here.
 731         * semantics.cc (finish_id_expression_1): Call
 732         finish_template_variable sooner, before (and regardless of) the
 733         type_dependent_expression_p test.
 734
 735 2023-02-28  Marek Polacek  <polacek@redhat.com>
 736
 737         PR c++/108550
 738         * pt.cc (lookup_and_finish_template_variable): Clear tf_partial.
 739
 740 2023-02-20  Marek Polacek  <polacek@redhat.com>
 741
 742         PR c++/101073
 743         * constexpr.cc (cxx_eval_call_expression): Replace shortcutting trivial
 744         constructor/op= with a checking assert.
 745
 746 2023-02-20  Marek Polacek  <polacek@redhat.com>
 747
 748         PR c++/108829
 749         * pt.cc (prepend_one_capture): Set LAMBDA_CAPTURE_EXPLICIT_P.
 750         (tsubst_lambda_expr): Pass LAMBDA_CAPTURE_EXPLICIT_P to
 751         prepend_one_capture.
 752
 753 2023-02-18  Jason Merrill  <jason@redhat.com>
 754
 755         DR 2518
 756         PR c++/52809
 757         PR c++/53638
 758         PR c++/87389
 759         PR c++/89741
 760         PR c++/92099
 761         PR c++/104041
 762         PR c++/104691
 763         * semantics.cc (finish_static_assert): Don't diagnose in
 764         template context.
 765
 766 2023-02-17  Patrick Palka  <ppalka@redhat.com>
 767
 768         PR c++/108243
 769         PR c++/97553
 770         * cp-gimplify.cc (enum fold_flags): Define.
 771         (fold_flags_t): Declare.
 772         (cp_fold_data::genericize): Replace this data member with ...
 773         (cp_fold_data::fold_flags): ... this.
 774         (cp_fold_r): Adjust use of cp_fold_data and calls to cp_fold.
 775         (cp_fold_function): Likewise.
 776         (cp_fold_maybe_rvalue): Add an internal overload that
 777         additionally takes and propagates a fold_flags_t parameter, and
 778         define the existing public overload in terms of it.
 779         (cp_fold_rvalue): Likewise.
 780         (cp_fully_fold_init): Adjust use of cp_fold_data.
 781         (fold_cache): Replace with ...
 782         (fold_caches): ... this 2-element array of caches.
 783         (get_fold_cache): Define.
 784         (clear_fold_cache): Adjust.
 785         (cp_fold): Add fold_flags_t parameter.  Use get_fold_cache.
 786         Pass flags to calls to cp_fold, cp_fold_rvalue and
 787         cp_fold_maybe_rvalue.
 788         <case CALL_EXPR>: If ff_mce_false is set, fold
 789         __builtin_is_constant_evaluated to false and pass mce_false to
 790         maybe_constant_value.
 791
 792 2023-02-17  Patrick Palka  <ppalka@redhat.com>
 793
 794         * constexpr.cc (constexpr_call::manifestly_const_eval): Give
 795         it type int instead of bool.
 796         (constexpr_ctx::manifestly_const_eval): Give it type mce_value
 797         instead of bool.
 798         (cxx_eval_builtin_function_call): Adjust after making
 799         manifestly_const_eval tri-state.
 800         (cxx_eval_call_expression): Likewise.
 801         (cxx_eval_binary_expression): Likewise.
 802         (cxx_eval_conditional_expression): Likewise.
 803         (cxx_eval_constant_expression): Likewise.
 804         (cxx_eval_outermost_constant_expr): Likewise.
 805         (cxx_constant_value): Likewise.
 806         (cxx_constant_dtor): Likewise.
 807         (maybe_constant_value): Give manifestly_const_eval parameter
 808         type mce_value instead of bool and adjust accordingly.
 809         (fold_non_dependent_expr_template): Adjust call
 810         to cxx_eval_outermost_constant_expr.
 811         (fold_non_dependent_expr): Likewise.
 812         (maybe_constant_init_1): Likewise.
 813         * constraint.cc (satisfy_atom): Adjust call to
 814         maybe_constant_value.
 815         * cp-tree.h (enum class mce_value): Define.
 816         (maybe_constant_value): Adjust manifestly_const_eval parameter
 817         type and default argument.
 818         * decl.cc (compute_array_index_type_loc): Adjust call to
 819         maybe_constant_value.
 820         * pt.cc (convert_nontype_argument): Likewise.
 821
 822 2023-02-16  Patrick Palka  <ppalka@redhat.com>
 823
 824         PR c++/107773
 825         * cp-tree.h (enum tsubst_flags): New flag tf_qualifying_scope.
 826         * decl.cc (make_typename_type): Use lookup_member instead of
 827         lookup_field.  If tf_qualifying_scope is set, pass want_type=true
 828         instead of =false to lookup_member.  Generalize format specifier
 829         in diagnostic to handle both type and non-type bindings.
 830         * pt.cc (tsubst_aggr_type_1): Clear tf_qualifying_scope.  Tidy
 831         the function.
 832         (tsubst_decl) <case USING_DECL>: Set tf_qualifying_scope when
 833         substituting USING_DECL_SCOPE.
 834         (tsubst): Clear tf_qualifying_scope right away and remember if
 835         it was set.  Do the same for tf_tst_ok sooner.
 836         <case TYPENAME_TYPE>: Set tf_qualifying_scope when substituting
 837         TYPE_CONTEXT.  Pass tf_qualifying_scope to make_typename_type
 838         if it was set.
 839         (tsubst_qualified_id): Set tf_qualifying_scope when substituting
 840         the scope.
 841         (tsubst_copy): Clear tf_qualifying_scope and remember if it was
 842         set.
 843         <case SCOPE_REF>: Set tf_qualifying_scope when substituting the
 844         scope.
 845         <case *_TYPE>: Pass tf_qualifying_scope to tsubst if it was set.
 846         * search.cc (lookup_member): Document default argument.
 847
 848 2023-02-16  Patrick Palka  <ppalka@redhat.com>
 849
 850         * cp-tree.h: Mechanically drop static from static inline
 851         functions via s/^static inline/inline/g.
 852
 853 2023-02-15  Marek Polacek  <polacek@redhat.com>
 854
 855         PR c++/106675
 856         * call.cc (joust_maybe_elide_copy): Return false for ck_ambig.
 857
 858 2023-02-10  Marek Polacek  <polacek@redhat.com>
 859
 860         PR c++/107079
 861         * call.cc (set_up_extended_ref_temp): Pass var to maybe_constant_init.
 862
 863 2023-02-09  Tobias Burnus  <tobias@codesourcery.com>
 864
 865         * parser.cc (cp_parser_omp_allocate): Parse align
 866         clause and check for restrictions.
 867
 868 2023-02-09  Jakub Jelinek  <jakub@redhat.com>
 869
 870         PR c++/108698
 871         * mangle.cc (write_expression, write_template_arg): Handle
 872         EXCESS_PRECISION_EXPR with REAL_CST operand as
 873         write_template_arg_literal on fold_convert of the REAL_CST
 874         to EXCESS_PRECISION_EXPR type.
 875
 876 2023-02-06  Patrick Palka  <ppalka@redhat.com>
 877
 878         PR c++/107461
 879         * cp-tree.h (call_expr_dependent_name): Declare.
 880         * pt.cc (iterative_hash_template_arg) <case CALL_EXPR>: Use
 881         call_expr_dependent_name instead of dependent_name.
 882         * tree.cc (call_expr_dependent_name): Define.
 883         (called_fns_equal): Adjust to take two CALL_EXPRs instead of
 884         CALL_EXPR_FNs thereof.  Use call_expr_dependent_name instead
 885         of dependent_name.
 886         (cp_tree_equal) <case CALL_EXPR>: Adjust call to called_fns_equal.
 887
 888 2023-02-03  Marek Polacek  <polacek@redhat.com>
 889
 890         PR c++/108158
 891         * constexpr.cc (cxx_eval_array_reference): Don't replace
 892         new_ctx.object.
 893
 894 2023-02-03  Patrick Palka  <ppalka@redhat.com>
 895
 896         PR c++/107461
 897         * semantics.cc (finish_call_expr): Strip ADDR_EXPR from
 898         the selected callee during overload set pruning.
 899
 900 2023-02-03  Patrick Palka  <ppalka@redhat.com>
 901
 902         PR c++/96745
 903         * class.cc (check_methods): Diagnose an unviable OVERLOAD
 904         set for CLASSTYPE_DESTRUCTOR differently from an ambiguous one.
 905         Then prune the OVERLOAD to a single function.
 906         (check_bases_and_members): Handle CLASSTYPE_DESTRUCTOR being
 907         an OVERLOAD when calling deduce_noexcept_on_destructor.
 908         Document why it has to be called before check_methods.
 909
 910 2023-02-03  Patrick Palka  <ppalka@redhat.com>
 911
 912         PR c++/108579
 913         * class.cc (check_methods): Swap order of constraints_satisfied_p
 914         and copy/move_fn_p tests.
 915
 916 2023-02-01  Marek Polacek  <polacek@redhat.com>
 917
 918         PR c++/107755
 919         * call.cc (build_new_op): Don't call warn_logical_operator when
 920         processing a template.
 921
 922 2023-02-01  Jakub Jelinek  <jakub@redhat.com>
 923
 924         PR c++/108607
 925         * constexpr.cc (cxx_eval_constant_expression): Handle OMP_*
 926         and OACC_* constructs as non-constant.
 927         (potential_constant_expression_1): Handle OMP_SCAN and OMP_SCOPE.
 928
 929 2023-02-01  Jason Merrill  <jason@redhat.com>
 930
 931         * class.cc (note_name_declared_in_class): Change from permerror to
 932         -Wchanges-meaning pedwarn, forcing -pedantic-errors for most cases.
 933
 934 2023-01-31  Jason Merrill  <jason@redhat.com>
 935
 936         PR c++/108559
 937         * cp-gimplify.cc (any_non_eliding_target_exprs): New.
 938         (cp_genericize_init): Check it.
 939
 940 2023-01-31  Marek Polacek  <polacek@redhat.com>
 941
 942         PR c++/107593
 943         PR c++/108597
 944         * cp-tree.h (instantiation_dependent_expression_p): Don't
 945         declare here.
 946
 947 2023-01-26  Marek Polacek  <polacek@redhat.com>
 948
 949         PR c++/105300
 950         * parser.cc: Remove unnecessary forward declarations.
 951         (cp_parser_string_literal): New wrapper.
 952         (cp_parser_string_literal_common): Renamed from
 953         cp_parser_string_literal.  Add a bool parameter.  Give an error when
 954         UDLs are not permitted.
 955         (cp_parser_userdef_string_literal): New wrapper.
 956         (finish_userdef_string_literal): Renamed from
 957         cp_parser_userdef_string_literal.
 958         (cp_parser_primary_expression): Call cp_parser_userdef_string_literal
 959         instead of cp_parser_string_literal.
 960         (cp_parser_linkage_specification): Move a variable declaration closer
 961         to its first use.
 962         (cp_parser_static_assert): Likewise.
 963         (cp_parser_operator): Call cp_parser_userdef_string_literal instead of
 964         cp_parser_string_literal.
 965         (cp_parser_asm_definition): Move a variable declaration closer to its
 966         first use.
 967         (cp_parser_asm_specification_opt): Move variable declarations closer to
 968         their first use.
 969         (cp_parser_asm_operand_list): Likewise.
 970         (cp_parser_asm_clobber_list): Likewise.
 971
 972 2023-01-26  Jakub Jelinek  <jakub@redhat.com>
 973
 974         PR c++/108503
 975         * parser.cc (cp_convert_omp_range_for): If cp_finish_decomp has been
 976         called in !processing_template_decl with processing_template_decl
 977         temporarily set, clear DECL_HAS_VALUE_EXPR_P on the vars temporarily.
 978         (cp_finish_omp_range_for): And set it back again here.
 979
 980 2023-01-25  Jakub Jelinek  <jakub@redhat.com>
 981
 982         PR c++/108525
 983         * mangle.cc (write_closure_type_name): Don't assume all
 984         lambda operator() fns are methods.
 985
 986 2023-01-24  Jason Merrill  <jason@redhat.com>
 987
 988         PR c++/108504
 989         * parser.cc (cp_lexer_new_main): Pass C_LEX_STRING_NO_JOIN for first
 990         token, too.
 991
 992 2023-01-24  Jason Merrill  <jason@redhat.com>
 993
 994         PR c++/108526
 995         * pt.cc (tsubst_function_decl): Handle static lambda.
 996
 997 2023-01-24  Jakub Jelinek  <jakub@redhat.com>
 998
 999         PR c++/108474
1000         * cp-gimplify.cc (cp_fold_r): Revert 2023-01-19 changes.
1001
1002 2023-01-24  Jason Merrill  <jason@redhat.com>
1003
1004         PR c++/107303
1005         PR c++/107329
1006         * cp-gimplify.cc (cp_fold_r) [TARGET_EXPR]: In case of double
1007         TARGET_EXPR, keep the outer one instead of the inner one.
1008         (maybe_replace_decl): New.
1009
1010 2023-01-23  Jason Merrill  <jason@redhat.com>
1011
1012         PR c++/107267
1013         * cp-gimplify.cc (cp_gimplify_init_expr): Allow unexpected elision
1014         of trivial types.
1015
1016 2023-01-23  Marek Polacek  <polacek@redhat.com>
1017
1018         PR c++/107797
1019         * cvt.cc (ocp_convert): copy_warning when creating a new
1020         COMPOUND_EXPR.
1021         * init.cc (build_new_1): Suppress -Wunused-value on
1022         compiler-generated COMPOUND_EXPRs.
1023
1024 2023-01-23  Jason Merrill  <jason@redhat.com>
1025
1026         PR c++/108195
1027         * call.cc (build_user_type_conversion_1): Check whether the
1028         iterators also find a list ctor.
1029
1030 2023-01-23  Jason Merrill  <jason@redhat.com>
1031
1032         PR c++/108496
1033         * decl.cc (grokdeclarator): Check whether DECL_RESULT is already
1034         set.
1035
1036 2023-01-23  Jason Merrill  <jason@redhat.com>
1037
1038         PR c++/53288
1039         DR 1299
1040         * call.cc (extend_ref_init_temps_1): Handle ptrmem expression.
1041
1042 2023-01-19  Jakub Jelinek  <jakub@redhat.com>
1043
1044         PR c++/108437
1045         * cp-tree.h (keep_unused_object_arg): Declare.
1046         * call.cc (keep_unused_object_arg): No longer static.
1047         * tree.cc (build_min_non_dep_op_overload): Handle ARRAY_REF
1048         with overload being static member function.
1049
1050 2023-01-19  Jakub Jelinek  <jakub@redhat.com>
1051
1052         PR c++/53932
1053         * cp-gimplify.cc (cp_fold_r): During cp_fully_fold_init replace
1054         DECL_ANON_UNION_VAR_P VAR_DECLs with their corresponding
1055         DECL_VALUE_EXPR.
1056
1057 2023-01-16  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR c++/105593
1060         * decl.cc (cp_finish_decl): Check warning_enabled_at
1061         at the DECL_SOURCE_LOCATION (decl) for OPT_Winit_self instead
1062         of warn_init_self.
1063
1064 2023-01-14  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR c++/108365
1067         * typeck.cc (cp_build_binary_op): Use may_shorten_divmod for integral
1068         division or modulo.
1069
1070 2023-01-13  Jakub Jelinek  <jakub@redhat.com>
1071
1072         PR c++/108285
1073         * cvt.cc (cp_convert_and_check): For EXCESS_PRECISION_EXPR
1074         use its operand except that for warning purposes use the original
1075         EXCESS_PRECISION_EXPR.
1076         * call.cc (convert_like_internal): Only look through
1077         EXCESS_PRECISION_EXPR when calling cp_convert, not when calling
1078         cp_convert_and_check.
1079
1080 2023-01-09  Jakub Jelinek  <jakub@redhat.com>
1081
1082         PR c++/105838
1083         PR c++/108047
1084         PR c++/108266
1085         * call.cc (maybe_init_list_as_range): Always return NULL_TREE if
1086         processing_template_decl.
1087
1088 2023-01-05  Patrick Palka  <ppalka@redhat.com>
1089
1090         PR c++/108275
1091         * parser.cc (cp_parser_class_head): Use dk_deferred instead of
1092         dk_no_check when parsing the class name.
1093
1094 2023-01-05  Jakub Jelinek  <jakub@redhat.com>
1095
1096         PR c++/108286
1097         * semantics.cc (finish_omp_target_clauses): Ignore clauses other than
1098         OMP_CLAUSE_MAP.
1099
1100 2023-01-04  Patrick Palka  <ppalka@redhat.com>
1101
1102         PR c++/108282
1103         * decl2.cc (mark_single_function): Ignore mark_used failure
1104         only in a non-SFINAE context rather than in a SFINAE one.
1105
1106 2023-01-04  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR c++/108206
1109         * decl.cc (merge_default_template_args): Return false if either
1110         new_parm or old_parm are erroneous.
1111
1112 \f
1113 Copyright (C) 2023 Free Software Foundation, Inc.
1114
1115 Copying and distribution of this file, with or without modification,
1116 are permitted in any medium without royalty provided the copyright
1117 notice and this notice are preserved.