gcc/ada/ChangeLog

   1 2019-07-04  Yannick Moy  <moy@adacore.com>
   2
   3         * sem_prag.adb (Check_Library_Level_Entity): Update for new rule
   4         on SPARK_Mode.
   5
   6 2019-07-04  Justin Squirek  <squirek@adacore.com>
   7
   8         * sem_disp.adb (Check_Controlling_Formals): Obtain the full view
   9         before type comparison.
  10
  11 2019-07-04  Ed Schonberg  <schonberg@adacore.com>
  12
  13         * exp_ch4.ads, exp_ch4.adb (Build_Eq_Call): New visible
  14         subprogram, extracted from Expand_Composite_Equality, to handle
  15         properly the composition of equality for variant record types.
  16         * exp_ch3.adb (MAke_Eq_If): Use Build_Eq_Call for each
  17         component, to handle properly the case of a component with a
  18         user-defined equality. Revert to predefined equality if the
  19         user-defined operation is abstract, to maintain compatibility
  20         with older versions,
  21
  22 2019-07-04  Justin Squirek  <squirek@adacore.com>
  23
  24         * exp_ch3.adb (Build_Initialization_Call): Fixup
  25         *_skip_null_excluding_check argument to handle new default.
  26         (Init_Formals): Make *_skip_null_excluding_check formal default
  27         to False
  28         * exp_ch4.adb (Expand_N_Allocator): Add comment to note heavy
  29         code duplication
  30
  31 2019-07-04  Bob Duff  <duff@adacore.com>
  32
  33         * sem_ch3.adb (Access_Definition): Do not create a master unless
  34         Tasking_Allowed. Otherwise, this fails on restricted runtimes.
  35
  36 2019-07-04  Hristian Kirtchev  <kirtchev@adacore.com>
  37
  38         * sem_util.adb (Propagate_DIC_Attributes): Do not propagate the
  39         Default_Initial_Condition attributes to an incomplete type.
  40
  41 2019-07-04  Ed Schonberg  <schonberg@adacore.com>
  42
  43         * sem_attr.adb (Check_Array_Type): An array type attribute such
  44         as 'First can be applied to an unconstrained array tyope when
  45         the attribute reference appears within an aspect specification
  46         and the prefix is a current instance, given that the prefix of
  47         the attribute will become a formal of the subprogram that
  48         implements the aspect (typically a predicate check).
  49
  50 2019-07-04  Piotr Trojanek  <trojanek@adacore.com>
  51
  52         * sem_util.adb (Yields_Synchronized_Object): Fix typos in
  53         comments.
  54
  55 2019-07-04  Yannick Moy  <moy@adacore.com>
  56
  57         * sem_util.adb (Yields_Synchronized_Object): Adapt to new SPARK
  58         rule.
  59
  60 2019-07-04  Yannick Moy  <moy@adacore.com>
  61
  62         * sem_spark.adb (Check_Statement): Only check permission of
  63         object in extended return when it is of a deep type.
  64
  65 2019-07-04  Justin Squirek  <squirek@adacore.com>
  66
  67         * sem_ch12.adb (Perform_Appropriate_Analysis): Added for
  68         selecting which type of analysis based on wheither the
  69         instantiation is a generic at the library-level. In which case
  70         expansion during analysis.
  71         (Preanalyze_Actuals): Modify calls to Analyze to use the new
  72         routine.
  73
  74 2019-07-04  Ed Schonberg  <schonberg@adacore.com>
  75
  76         * exp_unst.adb: Handle conditional expressions.
  77
  78 2019-07-04  Yannick Moy  <moy@adacore.com>
  79
  80         * sem_spark.adb (Check_Package_Spec, Check_Package_Body): Only
  81         analyze parts of the code marked in SPARK.
  82
  83 2019-07-04  Hristian Kirtchev  <kirtchev@adacore.com>
  84
  85         * erroutc.adb, exp_aggr.adb, inline.adb, opt.adb, sem_ch3.adb:
  86         Minor reformatting.
  87
  88 2019-07-04  Yannick Moy  <moy@adacore.com>
  89
  90         * sem_spark.adb (Explanation, Get_Expl): New functions to get
  91         the explanation for a permission mismatch.
  92         (Perm_Error, Perm_Mismatch, Perm_Error_Loop_Exit): Take
  93         explanation into account for issuing a more precise error
  94         message.
  95         (Set_Perm_Prefixes, Set_Perm_Extensions,
  96         Set_Perm_Extensions_Move): Pass suitable argument for the
  97         explanation node.
  98
  99 2019-07-04  Arnaud Charlet  <charlet@adacore.com>
 100
 101         * exp_aggr.adb (In_Place_Assign_OK): Moved to top level and add
 102         support for record aggregates.
 103         (Component_Check): Use Is_CCG_Supported_Aggregate instead of a
 104         similar local predicate.
 105         (Convert_To_Assignments): Take advantage of In_Place_Assign_OK
 106         predicate when possible.
 107         (Is_CCG_Supported_Aggregate): Return False for records with
 108         representation clauses and fix the logic for dealing with nested
 109         aggregates.
 110
 111 2019-07-04  Piotr Trojanek  <trojanek@adacore.com>
 112
 113         * opt.adb (Set_Config_Switches): Keep assertions policy as
 114         enabled when analysing internal units in GNATprove mode.
 115
 116 2019-07-04  Arnaud Charlet  <charlet@adacore.com>
 117
 118         * exp_ch4.adb (Expand_Short_Circuit_Operator): Strip
 119         N_Variable_Reference_Marker when checking for the presence of
 120         actions.
 121
 122 2019-07-04  Arnaud Charlet  <charlet@adacore.com>
 123
 124         * exp_aggr.adb (Check_Component): Take into account type
 125         conversions.
 126
 127 2019-07-04  Dmitriy Anisimkov  <anisimko@adacore.com>
 128
 129         * doc/gnat_ugn/platform_specific_information.rst: Document
 130         Windows socket timeout particularity.
 131         * gnat_ugn.texi: Regenerate.
 132         * gsocket.h: Include versionhelpers.h.
 133         * socket.c (__gnat_minus_500ms): New function.
 134         * libgnat/g-sothco.ads (Minus_500ms_Windows_Timeout): New
 135         imported function.
 136         * libgnat/g-socket.adb (Set_Socket_Option): Refactor to remove
 137         500ms from the requested timeout only on old Windows version.
 138
 139 2019-07-04  Thomas Quinot  <quinot@adacore.com>
 140
 141         * get_scos.adb: Remove bogus, dead code.
 142
 143 2019-07-04  Ed Schonberg  <schonberg@adacore.com>
 144
 145         * sem_dim.adb (Analyze_Dimension_Array_Aggregate): If the
 146         component is an entity name, its dimensions are those of its
 147         type.
 148
 149 2019-07-03  Bob Duff  <duff@adacore.com>
 150
 151         * doc/gnat_ugn/gnat_utility_programs.rst: Document new flags in
 152         GNATpp.
 153
 154 2019-07-03  Hristian Kirtchev  <kirtchev@adacore.com>
 155
 156         * binde.adb: Remove with clause for System.OS_Lib.
 157         (Force_Elab_Order): Refactor the majority of the code in Butil.
 158         Use the new forced units iterator to obtain unit names.
 159         * bindo-builders.adb: Add with and use clauses for Binderr,
 160         Butil, Opt, Output, Types, GNAT, and GNAT.Dynamic_HTables.  Add
 161         a hash table which maps units to line number in the forced
 162         elaboration order file.
 163         (Add_Unit): New routine.
 164         (Build_Library_Graph): Create forced edges between pairs of
 165         units listed in the forced elaboration order file.
 166         (Create_Forced_Edge, Create_Forced_Edges, Destroy_Line_Number,
 167         Duplicate_Unit_Error, Hash_Unit, Internal_Unit_Info,
 168         Is_Duplicate_Unit, Missing_Unit_Info): New routines.
 169         * bindo-graphs.adb (Is_Internal_Unit, Is_Predefined_Unit):
 170         Refactor some of the behavior to Bindo-Units.
 171         * bindo-graphs.ads: Enable the enumeration literal for forced
 172         edges.
 173         * bindo-units.adb, bindo-units.ads (Is_Internal_Unit,
 174         Is_Predefined_Unit): New routines.
 175         * butil.adb: Add with and use clauses for Opt, GNAT, and
 176         System.OS_Lib.  Add with clause for Unchecked_Deallocation.
 177         (Has_Next, Iterate_Forced_Units, Next, Parse_Next_Unit_Name,
 178         Read_Forced_Elab_Order_File): New routines.
 179         * butil.ads: Add with and use clauses for Types.  Add new
 180         iterator over the units listed in the forced elaboration order
 181         file.
 182         (Has_Next, Iterate_Forced_Units, Next): New routine.
 183         * namet.adb, namet.ads (Present): New routine.
 184
 185 2019-07-03  Bob Duff  <duff@adacore.com>
 186
 187         * sem_ch3.adb (Access_Definition): The code was creating a
 188         master in the case where the designated type is a class-wide
 189         interface type. Create a master in the noninterface case as
 190         well. That is, create a master for all limited class-wide types.
 191
 192 2019-07-03  Yannick Moy  <moy@adacore.com>
 193
 194         * erroutc.adb (Sloc_In_Range): New function to determine whether
 195         the range of a pragma Warnings covers a location, taking
 196         instantiations into account.
 197
 198 2019-07-03  Johannes Kanig  <kanig@adacore.com>
 199
 200         * osint.ads, osint.adb (Get_First_Main_File_Name): New routine
 201         to access the first file provided on the command line.
 202
 203 2019-07-03  Ed Schonberg  <schonberg@adacore.com>
 204
 205         * inline.adb (Process_Formals_In_Aspects): New procedure within
 206         Expand_Inlined_Call, to perform a replacement of references to
 207         formals that appear in aspect specifications within the body
 208         being inlined.
 209
 210 2019-07-03  Justin Squirek  <squirek@adacore.com>
 211
 212         * sem_ch8.adb (Analyze_Object_Renaming): Add call to search for
 213         the appropriate actual subtype of the object renaming being
 214         analyzed.
 215         (Check_Constrained_Object): Minor cleanup.
 216
 217 2019-07-03  Yannick Moy  <moy@adacore.com>
 218
 219         * sem_spark.adb (Get_Observed_Or_Borrowed_Expr): New function to
 220         return go through traversal function call.
 221         (Check_Type): Consistently use underlying type.
 222         (Get_Perm): Adapt for case of elaboration code where variables
 223         are not declared in the environment. Remove incorrect handling
 224         of borrow and observe.
 225
 226 2019-07-03  Hristian Kirtchev  <kirtchev@adacore.com>
 227
 228         * inline.adb (Build_Return_Object_Formal): New routine.
 229         (Can_Split_Unconstrained_Function): Code clean up.
 230         (Copy_Formals,Copy_Return_Object): New routines.
 231         (Split_Unconstrained_Function): Code clean up and refactoring.
 232
 233 2019-07-03  Gary Dismukes  <dismukes@adacore.com>
 234
 235         * bindo-augmentors.adb, bindo-augmentors.ads,
 236         bindo-builders.ads, bindo-elaborators.adb, sem_ch12.adb,
 237         sem_ch13.adb, sem_spark.adb, sinfo.ads: Minor editorial
 238         corrections and reformatting.
 239
 240 2019-07-03  Bob Duff  <duff@adacore.com>
 241
 242         * sem_warn.adb (Check_Infinite_Loop_Warning): Avoid the warning
 243         if an Iterator_Specification is present.
 244
 245 2019-07-03  Bob Duff  <duff@adacore.com>
 246
 247         * doc/gnat_ugn/gnat_utility_programs.rst: Document default
 248         new-line behavior.
 249
 250 2019-07-03  Hristian Kirtchev  <kirtchev@adacore.com>
 251
 252         * ali.adb: Add with and use clauses for GNAT,
 253         GNAT.Dynamic_HTables, and Snames.  Add a map from invocation
 254         signature records to invocation signature ids.  Add various
 255         encodings of invocation-related attributes.  Sort and update
 256         table Known_ALI_Lines.
 257         (Add_Invocation_Construct, Add_Invocation_Relation,
 258         Body_Placement_Kind_To_Code, Code_To_Body_Placement_Kind,
 259         Code_To_Invocation_Construct_Kind, Code_To_Invocation_Kind,
 260         Code_To_Invocation_Graph_Line_Kind, Destroy, Hash): New
 261         routines.
 262         (Initialize_ALI): Sort the initialization sequence. Add
 263         initialization for all invocation-related tables.
 264         (Invocation_Construct_Kind_To_Code,
 265         Invocation_Graph_Line_Kind_To_Code, Invocation_Kind_To_Code,
 266         Invocation_Signature_Of, Present): New routines.
 267         (Scan_ALI): Add the default values for invocation-related ids.
 268         Scan invocation graph lines.
 269         (Scan_Invocation_Graph_Line): New routine.
 270         * ali.ads: Add with clause for GNAT.Dynamic_Tables.  Add types
 271         for invocation constructs, relations, and signatures.  Add
 272         tables for invocation constructs, relations, and signatures.
 273         Update Unit_Record to capture invocation-related ids.  Relocate
 274         table Unit_Id_Tables and subtypes Unit_Id_Table, Unit_Id_Array
 275         from Binde.
 276         (Add_Invocation_Construct, Add_Invocation_Relation,
 277         Body_Placement_Kind_To_Code, Code_To_Body_Placement_Kind,
 278         Code_To_Invocation_Construct_Kind, Code_To_Invocation_Kind,
 279         Code_To_Invocation_Graph_Line_Kind,
 280         Invocation_Construct_Kind_To_Code,
 281         Invocation_Graph_Line_Kind_To_Code, Invocation_Kind_To_Code,
 282         Invocation_Signature_Of, Present): New routines.
 283         * binde.adb: Add with and use clause for Types.  Add use clause
 284         for ALI.Unit_Id_Tables;
 285         * binde.ads: Relocate table Unit_Id_Tables and subtypes
 286         Unit_Id_Table, Unit_Id_Array to ALI.
 287         * bindgen.adb: Remove with and use clause for ALI.
 288         * bindgen.ads: Remove with and use clause for Binde.  Add with
 289         and use clause for ALI.
 290         * bindo.adb,  bindo.ads, bindo-augmentors.adb,
 291         bindo-augmentors.ads, bindo-builders.adb, bindo-builders.ads,
 292         bindo-diagnostics.adb, bindo-diagnostics.ads,
 293         bindo-elaborators.adb, bindo-elaborators.ads, bindo-graphs.adb,
 294         bindo-graphs.ads, bindo-units.adb, bindo-units.ads,
 295         bindo-validators.adb, bindo-validators.ads, bindo-writers.adb,
 296         bindo-writers.ads: New units.
 297         * debug.adb: Use and describe GNAT debug switches -gnatd_F and
 298         -gnatd_G.  Add GNATbind debug switches in the ranges dA .. dZ,
 299         d.a .. d.z, d.A .. d.Z, d.1 .. d.9, d_a .. d_z, d_A .. d_Z, and
 300         d_1 .. d_9.  Use and describe GNATbind debug switches -d_A,
 301         -d_I, -d_L, -d_N, -d_O, -d_T, and -d_V.
 302         * exp_util.adb, exp_util.ads (Exceptions_OK): Relocate to
 303         Sem_Util.
 304         * gnatbind.adb: Add with and use clause for Bindo.  Use the new
 305         Bindo elaboration order only when -d_N is in effect.
 306         * lib-writ.adb
 307         (Column, Extra, Invoker, Kind, Line, Locations, Name, Placement,
 308         Scope, Signature, Target): New routines.
 309         (Write_ALI): Output all invocation-related data.
 310         (Write_Invocation_Graph): New routine.
 311         * lib-writ.ads: Document the invocation graph ALI line.
 312         * namet.adb, namet.ads (Present): New routines.
 313         * sem_ch8.adb (Find_Direct_Name): Capture the status of
 314         elaboration checks and warnings of an identifier.
 315         (Find_Expanded_Name): Capture the status of elaboration checks
 316         and warnings of an expanded name.
 317         * sem_ch12.adb (Analyze_Generic_Package_Declaration): Ensure
 318         that invocation graph-related data within the body of the main
 319         unit is encoded in the ALI file.
 320         (Analyze_Generic_Subprogram_Declaration): Ensure that invocation
 321         graph-related data within the body of the main unit is encoded
 322         in the ALI file.
 323         (Analyze_Package_Instantiation): Perform minimal decoration of
 324         the instance entity.
 325         (Analyze_Subprogram_Instantiation): Perform minimal decoration
 326         of the instance entity.
 327         * sem_elab.adb: Perform heavy refactoring of all code. The unit
 328         is now split into "services" which specialize in one area of ABE
 329         checks.  Add processing in order to capture invocation-graph
 330         related attributes of the main unit, and encode them in the ALI
 331         file.  The Processing phase can now operate in multiple modes,
 332         all described by type Processing_Kind.  Scenarios and targets
 333         are now distinct at the higher level, and carry their own
 334         representations. This eliminates the need to constantly
 335         recompute their attributes, and offers the various processors a
 336         uniform interface.  The various initial states of the Processing
 337         phase are now encoded using type Processing_In_State, and
 338         xxx_State constants.
 339         * sem_elab.ads: Update the literals of type
 340         Enclosing_Level_Kind.  Add Inline pragmas on several routines.
 341         * sem_prag.adb (Process_Inline): Ensure that invocation
 342         graph-related data within the body of the main unit is encoded
 343         in the ALI file.
 344         * sem_util.adb (Enclosing_Generic_Body, Enclosing_Generic_Unit):
 345         Code clean up.
 346         (Exceptions_OK): Relocated from Sem_Util.
 347         (Mark_Save_Invocation_Graph_Of_Body): New routine.
 348         * sem_util.ads (Exceptions_OK): Relocated from Sem_Util.
 349         (Mark_Save_Invocation_Graph_Of_Body): New routine.
 350         * sinfo.adb (Is_Elaboration_Checks_OK_Node): Now applicable to
 351         N_Variable_Reference_Marker.
 352         (Is_Elaboration_Warnings_OK_Node): Now applicable to
 353         N_Expanded_Name, N_Identifier, N_Variable_Reference_Marker.
 354         (Is_Read): Use Flag4.
 355         (Is_SPARK_Mode_On_Node): New applicable to
 356         N_Variable_Reference_Marker.
 357         (Is_Write): Use Flag5.
 358         (Save_Invocation_Graph_Of_Body): New routine.
 359         (Set_Is_Elaboration_Checks_OK_Node): Now applicable to
 360         N_Variable_Reference_Marker.
 361         (Set_Is_Elaboration_Warnings_OK_Node): Now applicable to
 362         N_Expanded_Name, N_Identifier, N_Variable_Reference_Marker.
 363         (Set_Is_SPARK_Mode_On_Node): New applicable to
 364         N_Variable_Reference_Marker.
 365         (Set_Save_Invocation_Graph_Of_Body): New routine.
 366         * sinfo.ads: Update the documentation of attributes
 367         Is_Elaboration_Checks_OK_Node, Is_Elaboration_Warnings_OK_Node,
 368         Is_SPARK_Mode_On_Node.  Update the flag usage of attributes
 369         Is_Read, Is_Write.  Add attribute Save_Invocation_Graph_Of_Body
 370         and update its occurrence in nodes.
 371         (Save_Invocation_Graph_Of_Body): New routine along with pragma
 372         Inline.
 373         (Set_Save_Invocation_Graph_Of_Body): New routine along with
 374         pragma Inline.
 375         * switch-b.adb (Scan_Binder_Switches): Refactor the scanning of
 376         debug switches.
 377         (Scan_Debug_Switches): New routine.
 378         * libgnat/g-dynhta.adb, libgnat/g-dynhta.ads (Contains): New routine.
 379         * libgnat/g-graphs.adb (Associate_Vertices): Update the use of
 380         Component_Vertex_Iterator.
 381         (Contains_Component, Contains_Edge, Contains_Vertex, Has_Next):
 382         Reimplemented.
 383         (Iterate_Component_Vertices): New routine.
 384         (Iterate_Vertices): Removed.
 385         (Next): Update the parameter profile.
 386         (Number_Of_Component_Vertices, Number_Of_Outgoing_Edges): New
 387         routines.
 388         * libgnat/g-graphs.ads: Update the initialization of
 389         No_Component.  Add type Component_Vertex_Iterator.  Remove type
 390         Vertex_Iterator.
 391         (Has_Next): Add new versions and remove old ones.
 392         (Iterate_Component_Vertices): New routine.
 393         (Iterate_Vertices): Removed.
 394         (Next): Add new versions and remove old ones.
 395         (Number_Of_Component_Vertices, Number_Of_Outgoing_Edges): New
 396         routines.
 397         * libgnat/g-sets.adb (Contains): Reimplemented.
 398         * gcc-interface/Make-lang.in (GNATBIND_OBJS): Add
 399         GNAT.Dynamic_HTables, GNAT.Graphs and Bindo units.
 400         * rtsfind.ads: Remove extra space.
 401
 402 2019-07-03  Yannick Moy  <moy@adacore.com>
 403
 404         * sem_spark.adb: Add support for locally borrowing and observing
 405         a path.
 406         (Get_Root_Object): Add parameter Through_Traversal to denote
 407         when we are interesting in getting to the traversed parameter.
 408         (Is_Prefix_Or_Almost): New function to support detection of
 409         illegal access to borrowed or observed paths.
 410         (Check_Pragma): Add analysis of assertion pragmas.
 411
 412 2019-07-03  Ed Schonberg  <schonberg@adacore.com>
 413
 414         * sem_ch13.adb (Build_Predicate_Functions): In a generic context
 415         we do not build the bodies of predicate fuctions, but the
 416         expression in a static predicate must be elaborated to allow
 417         case coverage checking within the generic unit.
 418         (Build_Discrete_Static_Predicate): In a generic context, return
 419         without building function body once the
 420         Static_Discrete_Predicate expression for the type has been
 421         constructed.
 422
 423 2019-07-03  Hristian Kirtchev  <kirtchev@adacore.com>
 424
 425         * bindgen.adb, inline.adb, layout.adb, sem_ch12.adb,
 426         sem_ch13.adb, sem_ch7.adb, styleg.adb: Minor reformatting.
 427
 428 2019-07-03  Bob Duff  <duff@adacore.com>
 429
 430         * par-ch3.adb (P_Defining_Identifier): Call
 431         Check_Defining_Identifier_Casing.
 432         * style.ads, styleg.ads, styleg.adb
 433         (Check_Defining_Identifier_Casing): New procedure to check for
 434         mixed-case defining identifiers.
 435         * stylesw.ads, stylesw.adb (Style_Check_Mixed_Case_Decls): New
 436         flag for checking for mixed-case defining identifiers.
 437         * doc/gnat_ugn/building_executable_programs_with_gnat.rst:
 438         Document new feature.
 439         * gnat_ugn.texi: Regenerate.
 440
 441 2019-07-03  Eric Botcazou  <ebotcazou@adacore.com>
 442
 443         * doc/gnat_ugn/building_executable_programs_with_gnat.rst
 444         (Warning message control): Document that -gnatw.z/Z apply to
 445         array types.
 446         * freeze.adb (Freeze_Entity): Give -gnatw.z warning for array
 447         types as well, but not if the specified alignment is the minimum
 448         one.
 449         * gnat_ugn.texi: Regenerate.
 450
 451 2019-07-03  Bob Duff  <duff@adacore.com>
 452
 453         * einfo.ads, exp_util.adb, layout.ads, sinfo.ads: Spell "laid"
 454         correctly.
 455
 456 2019-07-03  Ed Schonberg  <schonberg@adacore.com>
 457
 458         * sem_ch13.adb (Analyze_Attribute_Definition_Clause): No error
 459         message on attribute applied to a renaming when the renamed
 460         object is an aggregate (from code reading).
 461         (Check_Aspect_At_End_Of_Declarations): In a generic context
 462         where freeze nodes are not generated, the original expression
 463         for an aspect may need to be analyzed to precent spurious
 464         conformance errors when compared with the expression that is
 465         anakyzed at the end of the current declarative list.
 466
 467 2019-07-03  Eric Botcazou  <ebotcazou@adacore.com>
 468
 469         * layout.adb (Layout_Type): Do not set the component size of an
 470         array with a scalar component if the component type is
 471         overaligned.
 472
 473 2019-07-03  Ed Schonberg  <schonberg@adacore.com>
 474
 475         * inline.adb (Make_Loop_Labels_Unique):  New procedure to modify
 476         the source code of subprograms that are inlined by the
 477         front-end, to prevent accidental duplication between loop labels
 478         in the inlined code and the code surrounding the inlined call.
 479
 480 2019-07-03  Hristian Kirtchev  <kirtchev@adacore.com>
 481
 482         * doc/gnat_ugn/elaboration_order_handling_in_gnat.rst: Update
 483         the section on resolving elaboration circularities to eliminate
 484         certain combinations of switches which together do not produce
 485         the desired effect and confuse users.
 486         * gnat_ugn.texi: Regenerate.
 487
 488 2019-07-03  Arnaud Charlet  <charlet@adacore.com>
 489
 490         * bindgen.adb (Gen_Main): Disable generation of reference to
 491         Ada_Main_Program_Name for CCG.
 492         * bindusg.adb (Display): Add -G to the command-line usage for
 493         gnatbind.
 494         * opt.ads (Generate_C_Code): Update comment.
 495         * switch-b.adb (Scan_Binder_Switches): Add handling for -G.
 496
 497 2019-07-03  Arnaud Charlet  <charlet@adacore.com>
 498
 499         * sem_ch7.adb (Has_Referencer): Do not consider inlined
 500         subprograms when generating C code, which allows us to generate
 501         static inline subprograms.
 502
 503 2019-07-03  Justin Squirek  <squirek@adacore.com>
 504
 505         * sem_ch6.adb (Check_Conformance): Add expression checking for
 506         constant modifiers in anonymous access types (in addition to
 507         "non-null" types) so that they are considered "matching" for
 508         subsequent conformance tests.
 509
 510 2019-07-03  Arnaud Charlet  <charlet@adacore.com>
 511
 512         * doc/gnat_rm/standard_and_implementation_defined_restrictions.rst:
 513         Clarify wording on No_Multiple_Elaboration.
 514         * gnat_rm.texi: Regenerate.
 515
 516 2019-07-03  Ed Schonberg  <schonberg@adacore.com>
 517
 518         * sem_ch8.adb (Find_Selected_Component): If the prefix is the
 519         current instance of a type or subtype, complete the resolution
 520         of the name by finding the component of the type denoted by the
 521         selector name.
 522
 523 2019-07-03  Eric Botcazou  <ebotcazou@adacore.com>
 524
 525         * doc/gnat_rm/interfacing_to_other_languages.rst (Interfacing to C):
 526         Document that boolean types with convention C now map to C99 bool.
 527         * gnat_rm.texi: Regenerate.
 528
 529 2019-07-03  Javier Miranda  <miranda@adacore.com>
 530
 531         * exp_attr.adb (Expand_Min_Max_Attribute): Code cleanup:
 532         removing code that it is now never executed in the CCG compiler
 533         (dead code).
 534
 535 2019-07-02  Iain Sandoe  <iain@sandoe.co.uk>
 536
 537         * libgnat/system-darwin-ppc.ads: Set Stack_Check_Probes True for
 538         PPC Darwin.
 539
 540 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 541
 542         * sem_ch12.adb (Is_Defaulted): New predicate in
 543         Check_Formal_Package_Intance, to skip the conformance of checks
 544         on parameters of a formal package that are defaulted,
 545
 546 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 547
 548         * checks.adb, exp_ch9.adb, exp_unst.adb, sem_ch4.adb,
 549         sem_prag.adb, sem_spark.adb: Minor reformatting.
 550
 551 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 552
 553         * sem_attr.adb (Analyze_Attribute, case Enum_Rep): Allow prefix
 554         of attribute to be an attribute reference of a discrete type.
 555
 556 2019-07-01  Eric Botcazou  <ebotcazou@adacore.com>
 557
 558         * sem_ch12.adb (Analyze_Subprogram_Instantiation): Move up
 559         handling of Has_Pragma_Inline_Always and deal with
 560         Has_Pragma_No_Inline.
 561
 562 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 563
 564         * sem_ch3.adb (Build_Derived_Record_Type): If the parent type is
 565         declared as a subtype of a private type with an inherited
 566         discriminant constraint, its generated full base appears as a
 567         record subtype, so we need to retrieve its oen base type so that
 568         the inherited constraint can be applied to it.
 569
 570 2019-07-01  Yannick Moy  <moy@adacore.com>
 571
 572         * sem_spark.adb: Completely rework the algorithm for ownership
 573         checking, as the rules in SPARK RM have changed a lot.
 574         * sem_spark.ads: Update comments.
 575
 576 2019-07-01  Dmitriy Anisimkov  <anisimko@adacore.com>
 577
 578         * gsocket.h (Has_Sockaddr_Len): Use the offset of sin_family offset in
 579         the sockaddr_in structure to determine the existence of length field
 580         before the sin_family.
 581
 582 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 583
 584         * sem_prag.adb (Analyze_Pragma, case Weak_External): Pragma only
 585         applies to entities with run-time addresses, not to types.
 586
 587 2019-07-01  Piotr Trojanek  <trojanek@adacore.com>
 588
 589         * einfo.adb, sem_ch7.adb, sem_prag.adb, sem_util.adb: Update
 590         references to the SPARK RM after the removal of Rule 7.1.4(5).
 591
 592 2019-07-01  Piotr Trojanek  <trojanek@adacore.com>
 593
 594         * sysdep.c: Cleanup references to LynuxWorks in docs and
 595         comments.
 596
 597 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 598
 599         * checks.adb (Insert_Valid_Check): Do not apply validity check
 600         to variable declared within a protected object that uses the
 601         Lock_Free implementation, to prevent unwarranted constant
 602         folding, because entities within such an object msut be treated
 603         as volatile.
 604
 605 2019-07-01  Eric Botcazou  <ebotcazou@adacore.com>
 606
 607         * exp_ch9.adb (Check_Inlining): Deal with Has_Pragma_No_Inline.
 608
 609 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 610
 611         * exp_unst.adb (Visit_Node, Check_Static_Type): Improve the
 612         handling of private and incomplete types whose full view is an
 613         access type, to detect additional uplevel references in dynamic
 614         bounds. This is relevant to N_Free_Statement among others that
 615         manipulate types whose full viww may be an access type.
 616
 617 2019-07-01  Pat Rogers  <rogers@adacore.com>
 618
 619         * doc/gnat_rm/representation_clauses_and_pragmas.rst: Correct
 620         size indicated for R as a component of an array.
 621         * gnat_rm.texi: Regenerate.
 622
 623 2019-07-01  Justin Squirek  <squirek@adacore.com>
 624
 625         * libgnat/s-win32.ads: Add definition for ULONG, modify
 626         OVERLAPPED type, and add appropriate pragmas.
 627
 628 2019-07-01  Bob Duff  <duff@adacore.com>
 629
 630         * gnat1drv.adb (gnat1drv): Call Write_ALI if the main unit is
 631         ignored-ghost.
 632
 633 2019-07-01  Yannick Moy  <moy@adacore.com>
 634
 635         * sem_ch4.adb (Operator_Check): Refine error message.
 636
 637 2019-07-01  Piotr Trojanek  <trojanek@adacore.com>
 638
 639         * libgnat/a-calend.ads: Revert "Global => null" contracts on
 640         non-pure routines.
 641
 642 2019-07-01  Piotr Trojanek  <trojanek@adacore.com>
 643
 644         * exp_attr.adb, libgnat/g-graphs.ads: Fix typos in comments:
 645         componant -> component.
 646
 647 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 648
 649         * libgnat/g-graphs.adb: Use type Directed_Graph rather than
 650         Instance in various routines.
 651         * libgnat/g-graphs.ads: Change type Instance to Directed_Graph.
 652         Update various routines that mention the type.
 653
 654 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 655
 656         * libgnat/g-sets.adb: Use type Membership_Set rathern than
 657         Instance in various routines.
 658         * libgnat/g-sets.ads: Change type Instance to Membership_Set.
 659         Update various routines that mention the type.
 660
 661 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 662
 663         * libgnat/g-lists.adb: Use type Doubly_Linked_List rather than
 664         Instance in various routines.
 665         * libgnat/g-lists.ads: Change type Instance to
 666         Doubly_Linked_List. Update various routines that mention the
 667         type.
 668
 669 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 670
 671         * libgnat/g-dynhta.adb: Use type Dynamic_Hash_Table rather than
 672         Instance in various routines.
 673         * libgnat/g-dynhta.ads: Change type Instance to
 674         Dynamic_Hash_Table. Update various routines that mention the
 675         type.
 676
 677 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 678
 679         * exp_attr.adb, exp_ch7.adb, exp_unst.adb, sem_ch3.adb,
 680         sem_util.adb, uintp.adb, uintp.ads: Minor reformatting.
 681
 682 2019-07-01  Javier Miranda  <miranda@adacore.com>
 683
 684         * exp_attr.adb (Expand_Min_Max_Attribute): Disable expansion of
 685         'Min/'Max on integer, enumeration, fixed point and floating
 686         point types since the CCG backend now provides in file
 687         standard.h routines to support it.
 688
 689 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 690
 691         * impunit.adb: Add GNAT.Graphs to list Non_Imp_File_Names_95.
 692         * Makefile.rtl, gcc-interface/Make-lang.in: Register unit
 693         GNAT.Graphs.
 694         * libgnat/g-dynhta.adb: Various minor cleanups (use Present
 695         rather than direct comparisons).
 696         (Delete): Reimplement to use Delete_Node.
 697         (Delete_Node): New routine.
 698         (Destroy_Bucket): Invoke the provided destructor.
 699         (Present): New routines.
 700         * libgnat/g-dynhta.ads: Add new generic formal Destroy_Value.
 701         Use better names for the components of iterators.
 702         * libgnat/g-graphs.adb, libgnat/g-graphs.ads: New unit.
 703         * libgnat/g-lists.adb: Various minor cleanups (use Present
 704         rather than direct comparisons).
 705         (Delete_Node): Invoke the provided destructor.
 706         (Present): New routine.
 707         * libgnat/g-lists.ads: Add new generic formal Destroy_Element.
 708         Use better names for the components of iterators.
 709         (Present): New routine.
 710         * libgnat/g-sets.adb, libgnat/g-sets.ads (Destroy, Preset,
 711         Reset): New routines.
 712
 713 2019-07-01  Dmitriy Anisimkov  <anisimko@adacore.com>
 714
 715         * libgnat/g-sothco.adb (Get_Address): Fix the case when AF_INET6
 716         is not defined.
 717
 718 2019-07-01  Ed Schonberg  <schonberg@adacore.com>
 719
 720         * exp_attr.adb (Expand_Attribute_Reference, case Invalid_Value):
 721         Resolve result of call to Get_Simple_Init_Val, which may be a
 722         conversion of a literal.
 723
 724 2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>
 725
 726         * freeze.adb (Freeze_Expression): Remove the horrible useless
 727         name hiding of N. Insert the freeze nodes generated by the
 728         expression prior to the expression when the nearest enclosing
 729         scope is transient.
 730
 731 2019-07-01  Pierre-Marie de Rodat  <derodat@adacore.com>
 732
 733         * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Fix
 734         formatting issues in the -gnatR section.
 735         * gnat_ugn.texi: Regenerate.
 736
 737 2019-06-30  Iain Sandoe  <iain@sandoe.co.uk>
 738
 739         * gnatlink.adb (Link_Step): Remove duplicate -static-libgcc switches.
 740         Push -shared-libgcc explicitly, when it is the target default (unless
 741         overidden by the static flag).
 742         When the user has put an instance of shared/static-libgcc do not push
 743         a duplicate of this.
 744
 745 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 746
 747         * gcc-interface/decl.c (gnat_to_gnu_entity): Beep up comment on SAVED,
 748         and tweak comment on the assertion about the scopes of Itypes.  Do not
 749         skip the regular processing for Itypes that are E_Record_Subtype with
 750         a Cloned_Subtype.  Get the Cloned_Subtype for every E_Record_Subtype
 751         if the type is dummy and hasn't got its own freeze node.
 752         <E_Record_Subtype>: Save again the DECL of the Cloned_Subtype, if any.
 753         <E_Access_Subtype>: Save again the DECL of the equivalent type.
 754         (Gigi_Equivalent_Type) <E_Access_Subtype>: New case.
 755
 756 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 757
 758         * gcc-interface/utils.c (unchecked_convert): Tweak comment.  Only skip
 759         dereferences when padding to have the same size on both sides.  Do it
 760         for destination types with self-referential size too.
 761
 762 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 763
 764         * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: If the
 765         type requires strict alignment, then set the RM size to the type size.
 766         Rework handling of alignment and sizes of tagged types in ASIS mode.
 767         (validate_size): Rename local variable and remove special handling for
 768         strict-alignment types.
 769         * gcc-interface/utils.c (finish_record_type): Constify local variables
 770         and use properly typed constants.
 771
 772 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 773
 774         * gcc-interface/decl.c (gnat_to_gnu_field): Rework error messages for
 775         fields requiring strict alignment, add explicit test on Storage_Unit
 776         for position and size, and mention type alignment for position.
 777
 778 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 779
 780         * gcc-interface/trans.c (mark_visited_r): Set TYPE_SIZES_GIMPLIFIED on
 781         the main variant of a type, if any.
 782
 783 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 784
 785         * gcc-interface/decl.c (set_nonaliased_component_on_array_type): Add
 786         missing guard for the presence of TYPE_CANONICAL.
 787         (set_reverse_storage_order_on_array_type): Likewise.
 788
 789 2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 790
 791         * gcc-interface/gigi.h (make_packable_type): Remove default value.
 792         (value_factor_p): Tweak prototype.
 793         * gcc-interface/decl.c (gnat_to_gnu_entity): Add comment.
 794         (gnat_to_gnu_component_type): Likewise.
 795         (gnat_to_gnu_field): Likewise.  Fetch the position of the field earlier
 796         and simplify the condition under which the type is packed.  Declare
 797         local variable is_bitfield.  Pass 1 as max_align to make_packable_type
 798         if it is set to true.
 799         (copy_and_substitute_in_layout): Pass 0 to make_packable_type.
 800         * gcc-interface/utils.c (make_packable_array_type): New function.
 801         (make_packable_type): Use it to rewrite the type of array field.
 802         (maybe_pad_type): Pass align parameter to make_packable_type.
 803         (create_field_decl): Minor tweaks.
 804         (value_factor_p): Assert that FACTOR is a power of 2 and replace the
 805         modulo computation by a masking operation.
 806
 807 2019-06-25  Eric Botcazou  <ebotcazou@adacore.com>
 808
 809         * gcc-interface/decl.c (gnat_to_gnu_entity): Remove superfluous test
 810         in previous change.
 811         * gcc-interface/gigi.h (maybe_character_type): Fix formatting.
 812         (maybe_character_value): Likewise.
 813
 814 2019-06-24  Jan Hubicka  <jh@suse.cz>
 815
 816         * gcc-interface/decl.c (gnat_to_gnu_entity): Check that
 817         type is array or integer prior checking string flag.
 818         * gcc-interface/gigi.h (maybe_character_type): Likewise.
 819         (maybe_character_value): Likewise.
 820
 821 2019-06-24  Martin Sebor  <msebor@redhat.com>
 822
 823         * gcc-interface/utils.c (handle_nonnull_attribute): Quote attribute
 824         name.
 825
 826 2019-06-18  Arnaud Charlet  <charlet@adacore.com>
 827
 828         PR ada/80590
 829         * sem_ch5.adb (Analyze_Loop_Statement): Avoid exception propagation
 830         during normal processing.
 831
 832 2019-06-17  Arnaud Charlet  <charlet@adacore.com>
 833
 834         PR ada/80590
 835         * exp_ch9.adb (Expand_N_Delay_Relative_Statement): Swap the two
 836         conditions to avoid a unnecessary exception propagation in the default
 837         case.
 838
 839 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 840
 841         * gcc-interface/utils.c (handle_stack_protect_attribute): Move around.
 842
 843 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 844
 845         * doc/gnat_rm/implementation_defined_pragmas.rst (Machine_Attribute):
 846         Document additional optional parameters.
 847         * sem_prag.adb (Analyze_Pragma) <Pragma_Machine_Attribute>: Accept
 848         more than one optional parameter.
 849         * gcc-interface/decl.c (prepend_one_attribute_pragma): Alphabetize
 850         the list of supported pragmas.  Simplify the handling of parameters
 851         and add support for more than one optional parameter.
 852         * gcc-interface/utils.c (attr_cold_hot_exclusions): New constant.
 853         (gnat_internal_attribute_table): Add entry for no_icf, noipa, flatten,
 854         used, cold, hot, target and target_clones.
 855         (begin_subprog_body): Do not create the RTL for the subprogram here.
 856         (handle_noicf_attribute): New static function.
 857         (handle_noipa_attribute): Likewise.
 858         (handle_flatten_attribute): Likewise.
 859         (handle_used_attribute): Likewise.
 860         (handle_cold_attribute): Likewise.
 861         (handle_hot_attribute): Likewise.
 862         (handle_target_attribute): Likewise.
 863         (handle_target_clones_attribute): Likewise.
 864
 865 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 866
 867         * gcc-interface/trans.c (lvalue_required_for_attribute_p): Return 0
 868         for 'Size too.
 869         (Identifier_to_gnu): Use the actual subtype for a reference to a
 870         packed array in a return statement.
 871         (Attribute_to_gnu) <Attr_Size>: Do not strip VIEW_CONVERT_EXPRs from
 872         the prefix in every case.
 873
 874 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 875
 876         * gcc-interface/trans.c (gnat_to_gnu): Remove superfluous tests on
 877         Backend_Overflow_Checks_On_Target and rework comments.
 878
 879 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 880
 881         * gcc-interface/trans.c (walk_nesting_tree): New static function.
 882         (finalize_nrv): Use it to walk the entire nesting tree.
 883
 884 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 885
 886         * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Remove
 887         obsolete test on Is_For_Access_Subtype.
 888
 889 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 890
 891         * gcc-interface/decl.c (components_to_record): Set a name on the type
 892         created for the REP part, if any.
 893         * gcc-interface/utils.c (finish_record_type): Only take the maximum
 894         when merging sizes for a variant part at offset 0.
 895         (merge_sizes): Rename has_rep parameter into max.
 896
 897 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 898
 899         * gcc-interface/utils.c (gnat_internal_attribute_table): Add support
 900         for stack_protect attribute.
 901         (handle_stack_protect_attribute): New static function.
 902
 903 2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 904
 905         * gcc-interface/decl.c (intrin_arglists_compatible_p): Do not return
 906         false if the internal builtin uses a variable list.
 907
 908 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 909
 910         * gcc-interface/trans.c (Call_to_gnu): Do not initialize the temporary
 911         created out of addressability concerns if it's for the _Init parameter
 912         of an initialization procedure.
 913
 914 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 915
 916         * gcc-interface/ada-builtin-types.def: New file.
 917         * gcc-interface/ada-builtins.def: Likewise.
 918         * gcc-interface/ada-tree.h (BUILT_IN_LIKELY): New macro.
 919         (BUILT_IN_UNLIKELY): Likewise.
 920         * gcc-interface/trans.c (independent_iterations_p): Initialize the
 921         auto-vector to 16 elements.
 922         (Call_to_gnu): Remove local variable and change the vector of actual
 923         parameters to an auto-vector.  Do not convert actual parameters to
 924         the argument type for front-end built-in functions.  Add support for
 925         front-end built-in functions.
 926         (build_noreturn_cond): Use internal instead of built-in function.
 927         * gcc-interface/utils.c (c_builtin_type): Include ada-builtin-types.def
 928         (install_builtin_function_types): Likewise.
 929         (install_builtin_functions): Include ada-builtins.def first.
 930
 931 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 932
 933         * gcc-interface/utils.c (maybe_pad_type): Issue the warning for the
 934         specific case of component types preferably.
 935
 936 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 937
 938         * gcc-interface/trans.c (Identifier_to_gnu): Minor tweaks.
 939         (gnat_to_gnu): Do not convert the result if it is a reference to an
 940         unconstrained array used as the prefix of an attribute reference that
 941         requires an lvalue.
 942
 943 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 944
 945         * gcc-interface/trans.c (Gigi_Types_Compatible): New predicate.
 946         (Identifier_to_gnu): Use it to assert that the type of the identifier
 947         and that of its entity are compatible for gigi.  Rename a couple of
 948         local variables and separate the processing of the result type.
 949
 950 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 951
 952         * gcc-interface/trans.c (Call_to_gnu): Use the unpadded type when
 953         putting back an intermediate conversion the type of the actuals.
 954
 955 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 956
 957         * gcc-interface/trans.c (gnat_to_gnu) <Shift operations>: Convert the
 958         count to the unsigned version of its base type before proceeding.
 959
 960 2019-05-16  Martin Sebor  <msebor@redhat.com>
 961
 962         * gcc-interface/trans.c (check_inlining_for_nested_subprog): Quote
 963         reserved names.
 964
 965 2019-05-08  Arnaud Charlet  <charlet@adacore.com>
 966
 967         * standard.ads.h: New file.
 968
 969 2019-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 970
 971         * gcc-interface/Makefile.in (install-gcc-specs): Use foreach.
 972         Honor DESTDIR.
 973
 974 2019-04-29  Michael K. Darling  <darlingm@gmail.com>
 975
 976         * gnatvsn.ads: Bump Library_Version to 10.
 977
 978 2019-04-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 979             Bernd Edlinger  <bernd.edlinger@hotmail.de>
 980             Jakub Jelinek  <jakub@redhat.com>
 981
 982         PR target/89093
 983         * raise-gcc.c (TARGET_ATTRIBUTE): Define.
 984         (continue_unwind, personality_body, PERSONALITY_FUNCTION): Add
 985         TARGET_ATTRIBUTE.
 986
 987 2019-04-07  Eric Botcazou  <ebotcazou@adacore.com>
 988
 989         * libgnat/i-cexten.ads (CFloat_128): New type.
 990
 991 2019-03-22  Dmitriy Anisimkov  <anisimko@adacore.com>
 992
 993         PR ada/89583
 994         * libgnat/g-socket.adb (Bind_Socket, Connect_Socket,
 995         Send_Socket): Fix the computation of structure lengths passed to
 996         low level routines.
 997         (Is_IPv6_Address): Fix the number of expected colons.
 998
 999 2019-03-11  Martin Liska  <mliska@suse.cz>
1000
1001         * gcc-interface/misc.c (gnat_post_options): Wrap option name in string
1002         format message and fix GNU coding style.
1003
1004 2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>
1005
1006         * gcc-interface/trans.c (gnat_to_gnu) <N_Aggregate>: Minor tweak.
1007         * gcc-interface/utils.c (convert): Do not pad when doing an unchecked
1008         conversion here.  Use TREE_CONSTANT throughout the function.
1009         (unchecked_convert): Also pad if the source is a CONSTRUCTOR and the
1010         destination is a more aligned array type or a larger aggregate type,
1011         but not between original and packable versions of a type.
1012
1013 2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>
1014
1015         * gcc-interface/utils.c (max_size) <tcc_unary>: Be prepared for an
1016         operand with VOID_TYPE.
1017
1018 2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>
1019
1020         * gcc-interface/trans.c (elaborate_all_entities): Do not elaborate the
1021         entities of a package renaming another one.
1022
1023 2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>
1024
1025         * gcc-interface/trans.c (Regular_Loop_to_gnu): Replace tests on
1026         individual flag_unswitch_loops and flag_tree_loop_vectorize switches
1027         with test on global optimize switch.
1028         (Raise_Error_to_gnu): Likewise.
1029
1030 2019-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1031
1032         * libgnarl/s-linux__sparc.ads (ETIMEDOUT): Set to correct value.
1033
1034 2019-02-06  Arnaud Charlet  <charlet@adacore.com>
1035
1036         * libgnarl/s-linux__x32.ads: Resync list of signals with s-linux.ads
1037
1038 2019-01-27  Eric Botcazou  <ebotcazou@adacore.com>
1039
1040         * repinfo.adb (List_Component_Layout): Remove superfluous space for
1041         zero-sized field.
1042         * gcc-interface/ada-tree.h (TYPE_IS_EXTRA_SUBTYPE_P): New macro.
1043         * gcc-interface/gigi.h (create_extra_subtype): Declare.
1044         * gcc-interface/decl.c (TYPE_ARRAY_SIZE_LIMIT): Likewise.
1045         (update_n_elem): New function.
1046         (gnat_to_gnu_entity): Use create_extra_subtype to create extra subtypes
1047         instead of doing it manually.
1048         <E_Array_Type>: Use update_n_elem to compute the maximum size.  Use the
1049         index type instead of base type for the bounds. Set TYPE_ARRAY_MAX_SIZE
1050         of the array to the maximum size.
1051         <E_Array_Subtype>: Create an extra subtype using the index type of the
1052         base array type for self-referential bounds.  Use update_n_elem to
1053         compute the maximum size.  Set TYPE_ARRAY_MAX_SIZE of the array to the
1054         maximum size.
1055         (gnat_to_gnu_field): Clear DECL_NONADDRESSABLE_P on discriminants.
1056         * gcc-interface/misc.c (gnat_get_alias_set): Return the alias set of
1057         the base type for an extra subtype.
1058         (gnat_type_max_size): Remove obsolete code.
1059         * gcc-interface/trans.c (Attribute_to_gnu): Minor tweak.
1060         (can_be_lower_p): Deal with pathological types.
1061         * gcc-interface/utils.c (create_extra_subtype): New function.
1062         (create_field_decl): Minor tweak.
1063         (max_size) <tcc_reference>: Compute a better value by using the extra
1064         subtypes on the self-referential bounds.
1065         <tcc_binary>: Rewrite.  Deal with "negative value" in unsigned types.
1066         <tcc_expression>: Likewise.
1067         * gcc-interface/utils2.c (compare_arrays): Retrieve the original bounds
1068         of the arrays upfront.  Swap only if the second length is not constant.
1069         Use comparisons on the original bounds consistently for the null tests.
1070         (build_binary_op): Use TYPE_IS_EXTRA_SUBTYPE_P macro.
1071         (build_allocator): Minor tweak.
1072
1073 2019-01-27  Eric Botcazou  <ebotcazou@adacore.com>
1074
1075         * gcc-interface/decl.c (array_type_has_nonaliased_component): Return
1076         the same value for every dimension of a multidimensional array type.
1077
1078 2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1079
1080         * gcc-interface/trans.c (Regular_Loop_to_gnu): Use the SLOC of the
1081         iteration scheme, if present, throughout the translation.
1082
1083 2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1084
1085         * gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Use
1086         DECL_SIZE_UNIT instead of TYPE_SIZE_UNIT for the size to be assigned
1087         by a call to memset if the LHS is a DECL.
1088
1089 2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1090
1091         * gcc-interface/trans.c (struct loop_info_d): Remove artificial field.
1092         (Loop_Statement_to_gnu): Do not set it.
1093
1094 2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1095
1096         * gcc-interface/trans.c (Iterate_Acc_Clause_Arg): Fix formatting.
1097         (Acc_gnat_to_gnu): Likewise.
1098         (Acc_Data_to_gnu): Likewise.
1099         (Acc_Var_to_gnu): Likewise.
1100         (Acc_Reduc_to_gnu): Likewise.
1101         (Acc_Size_List_to_gnu): Likewise.
1102         (Pragma_to_gnu) <Pragma_Acc_Loop>: Likewise.
1103         <Pragma_Acc_Data>): Likewise.
1104         (find_loop_for): Remove default value for parameters.
1105         * gcc-interface/trans.c (gnat_to_gnu) <N_Op_And>: Merge into...
1106         <N_Op_Eq>): ...this.
1107
1108 2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1109
1110         * gcc-interface/decl.c (annotate_value) <INTEGER_CST>: Use test on
1111         the sign bit instead of on the sign of the value.
1112         <PLUS_EXPR>: Turn addition of negative constant into subtraction.
1113         <MULT_EXPR>: Add test for degenerate case.
1114         <BIT_AND_EXPR>: Simplify.
1115
1116 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1117
1118         * s-oscons-tmplt.c (AF_INET6): Do not undefine for RTEMS.
1119
1120 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
1121
1122         PR other/16615
1123         * exp_ch11.adb: Change "can not" to "cannot".
1124         * sem_ch4.adb: Likewise.
1125
1126 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
1127
1128         PR other/16615
1129         * exp_ch9.adb: Mechanically replace "can not" with "cannot".
1130         * libgnat/s-regpat.ads: Likewise.
1131         * par-ch4.adb: Likewise.
1132         * set_targ.adb: Likewise.
1133         * types.ads: Likewise.
1134
1135 2019-01-08  Justin Squirek  <squirek@adacore.com>
1136
1137         Revert:
1138         2018-07-31  Justin Squirek  <squirek@adacore.com>
1139
1140         * lib-writ.adb (Write_With_Lines): Modfiy the generation
1141         of dependencies within ali files so that source unit
1142         bodies are properly listed even if said bodies are
1143         missing.  Perform legacy behavior in GNATprove mode.
1144         * lib-writ.ads: Modify documentation to reflect current
1145         behavior.
1146
1147         and:
1148         2018-09-26  Justin Squirek  <squirek@adacore.com>
1149
1150         * lib-writ.adb, lib-writ.ads (Write_With_Lines): Add
1151         documentation and an extra conditional check for RCI
1152         units so that generated ali files will list the spec
1153         only instead of a body when a body is not found.
1154
1155 2019-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1156
1157         * gnatvsn.ads: Bump copyright year.
1158
1159 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
1160
1161         Update copyright years.
1162
1163         * gnat_ugn.texi: Bump @copying's copyright year.
1164         * gnat_rm.texi: Likewise.
1165 \f
1166 Copyright (C) 2019 Free Software Foundation, Inc.
1167
1168 Copying and distribution of this file, with or without modification,
1169 are permitted in any medium without royalty provided the copyright
1170 notice and this notice are preserved.