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@ -1,3 +1,339 @@
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* inline.adb (Has_Excluded_Declaration): Remove redundant guard;
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the guarded code will call First on a No_List, which is
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well-defined and gives Empty.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* inline.adb (Has_Excluded_Declaration): Rename and reduce scope
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of a local variable.
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2021-09-20 Bob Duff <duff@adacore.com>
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* uintp.ads, uintp.adb (Present, No): New functions for
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comparing with No_Uint.
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* checks.adb, einfo-utils.adb, exp_aggr.adb, exp_attr.adb,
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exp_ch3.adb, exp_ch4.adb, exp_dbug.adb, exp_disp.adb,
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exp_util.adb, repinfo.adb, repinfo-input.adb, scn.adb,
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sem_attr.adb, sem_ch13.adb, sem_eval.adb, sem_util.adb,
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sinfo-utils.adb, treepr.adb: Use Present (...) instead of "...
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/= No_Uint", and No (...) instead of "... = No_Uint".
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2021-09-20 Claire Dross <dross@adacore.com>
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* libgnat/s-ficobl.ads: The entire package has a SPARK_Mode =>
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Off aspect.
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2021-09-20 Doug Rupp <rupp@adacore.com>
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* libgnat/a-calend.adb: Remove time_t, replace with OS_Time.
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* libgnat/s-os_lib.ads: Fix comments regarding time_t conversion
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functions to reflect the use of To_Ada in in Ada.Calendar
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package body.
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* sysdep.c (__gnat_localtime_tzoff): Use OS_Time instead of
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time_t.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* sem_res.adb (Resolve_Actual): Remove
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2021-09-20 Bob Duff <duff@adacore.com>
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* einfo-utils.ads, einfo-utils.adb, fe.h, einfo.ads,
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gen_il-fields.ads: Remove unused and no-longer-used routines.
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Move related routines together. Rewrite incorrect
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documentation, and documentation that will be incorrect when
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e.g. Esize-related routines are fixed. Remove unused field
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Normalized_Position_Max.
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* cstand.adb, exp_pakd.adb, freeze.adb,
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gen_il-gen-gen_entities.adb, itypes.adb, layout.adb,
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sem_ch10.adb, sem_ch12.adb, sem_ch13.adb, sem_ch3.adb,
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sem_ch7.adb, sem_ch8.adb, sem_ch9.adb, sem_prag.adb,
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sem_util.adb, ttypes.ads: Update calls to routines removed from
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or renamed in Einfo.Utils.
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* uintp.ads (Upos): Fix this subtype, which was unintentionally
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declared to include Uint_0.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* exp_ch7.adb (Expand_N_Package_Declaration): Fix wording in
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comment.
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* exp_disp.adb (Mark_DT): Remove unnecessary initialization of
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I_Depth.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* contracts.adb (Add_Contract_Item): Accept volatile-related
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properties on constants.
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(Analyze_Object_Contract): Check external properties on
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constants; accept volatile constants.
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(Check_Type_Or_Object_External_Properties): Replace "variable"
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with "object" in error messages; replace Decl_Kind with a local
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constant.
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* sem_prag.adb (Analyze_Pragma): Accept volatile-related
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properties on constants.
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2021-09-20 Pierre-Alexandre Bazin <bazin@adacore.com>
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* libgnat/a-strfix.adb ("*"): Added loop invariants and lemmas
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for proof.
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(Delete): Added assertions for proof, and conditions to avoid
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overflow.
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(Head): Added loop invariant.
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(Insert): Same as Delete.
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(Move): Declared with SPARK_Mode Off.
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(Overwrite): Added assertions for proof, and conditions to avoid
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overflow.
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(Replace_Slice): Added assertions for proof, and conditions to
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avoid overflow.
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(Tail): Added loop invariant and avoided overflows.
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(Translate): Added loop invariants.
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(Trim): Ensured empty strings returned start at 1.
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* libgnat/a-strfix.ads (Index): Rewrote contract cases for
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easier proof.
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(Index_Non_Blank): Separated the null string case.
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(Count): Specified Mapping shouldn't be null.
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(Find_Token): Specified Source'First should be Positive when no
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From is given.
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(Translate): Specified Mapping shouldn't be null.
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("*"): Rewrote postcondition for easier proof.
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* libgnat/a-strsea.adb (Belongs): Added postcondition.
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(Count): Rewrote loops and added loop invariants to avoid
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overflows.
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(Find_Token): Added loop invariants.
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(Index): Rewrote loops to avoid overflows and added loop
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invariants for proof.
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(Index_Non_Blank): Added loop invariants.
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(Is_Identity): New function isolated without SPARK_Mode.
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* libgnat/a-strsea.ads: Fix starting comment as package is no
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longer private.
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(Match): Declared ghost expression function Match.
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(Is_Identity): Described identity in the postcondition.
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(Index, Index_Non_Blank, Count, Find_Token): Added contract from
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a-strfix.ads.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* sem_ch13.adb (Resolve_Aspect_Aggregate): Move comments after
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specs; fix typo in header box; cleanup whitespace.
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2021-09-20 Eric Botcazou <ebotcazou@adacore.com>
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* libgnat/s-objrea.adb (Get_Load_Address): Return 0 for ELF.
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2021-09-20 Eric Botcazou <ebotcazou@adacore.com>
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* adaint.c (__gnat_get_executable_load_address): Add Win32 support.
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* libgnat/s-objrea.ads (Get_Xcode_Bounds): Fix typo in comment.
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(Object_File): Minor reformatting.
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(ELF_Object_File): Uncomment predicate.
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(PECOFF_Object_File): Likewise.
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(XCOFF32_Object_File): Likewise.
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* libgnat/s-objrea.adb: Minor reformatting throughout.
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(Get_Load_Address): Implement for PE-COFF.
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* libgnat/s-dwalin.ads: Remove clause for System.Storage_Elements
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and use consistent wording in comments.
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(Dwarf_Context): Set type of Low, High and Load_Address to Address.
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* libgnat/s-dwalin.adb (Get_Load_Displacement): New function.
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(Is_Inside): Call Get_Load_Displacement.
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(Low_Address): Likewise.
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(Open): Adjust to type change.
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(Aranges_Lookup): Change type of Addr to Address.
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(Read_Aranges_Entry): Likewise for Start and adjust.
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(Enable_Cach): Adjust to type change.
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(Symbolic_Address): Change type of Addr to Address.
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(Symbolic_Traceback): Call Get_Load_Displacement.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* exp_disp.adb (Make_DT): Move call to Set_Has_Dispatch_Table,
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so it is executed regardless of the Generate_SCIL mode.
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2021-09-20 Ed Schonberg <schonberg@adacore.com>
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* exp_util.ads (Force_Evaluation): Add formal parameter
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Discr_Number, to indicate discriminant expression for which an
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external name must be created.
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(Remove_Side_Effects): Ditto.
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* exp_util.adb (Force_Evaluation): Call Remove_Side_Effects with
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added parameter.
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(Remove_Side_Effects, Build_Temporary): If Discr_Number is
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positive, create an external name with suffix DISCR and the
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given discriminant number, analogous to what is done for
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temporaries for array type bounds.
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* sem_ch3.adb (Process_Discriminant_Expressions): If the
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constraint is for an object or component declaration and the
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corresponding entity may be visible in another unit, invoke
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Force_Evaluation with the new parameter.
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2021-09-20 Arnaud Charlet <charlet@adacore.com>
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* gen_il-internals.ads (Invalid_Val): Remove, unused and
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generates warnings.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* exp_aggr.adb, exp_ch4.adb, exp_ch5.adb, sprint.adb: Refine
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types of local constants.
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2021-09-20 Gary Dismukes <dismukes@adacore.com>
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* exp_attr.adb (Expand_N_Attribute_Reference): Fold
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Preelaborable_Initialization attribute in cases where it hasn't
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been folded by the analyzer.
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* exp_disp.adb (Original_View_In_Visible_Part): This function is
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removed and moved to sem_util.adb.
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* sem_attr.adb (Attribute_22): Add
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Attribute_Preelaborable_Initialization as an Ada 2022 attribute.
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(Analyze_Attribute, Attribute_Preelaborable_Initialization):
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Check that the prefix of the attribute is either a formal
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private or derived type, or a composite type declared within the
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visible part of a package or generic package.
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(Eval_Attribute): Perform folding of
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Preelaborable_Initialization attribute based on
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Has_Preelaborable_Initialization applied to the prefix type.
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* sem_ch3.adb (Resolve_Aspects): Add specialized code for
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Preelaborable_Initialization used at the end of a package
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visible part for setting Known_To_Have_Preelab_Init on types
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that are specified with True or that have a conjunction of one
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or more P_I attributes applied to formal types.
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* sem_ch7.adb (Analyze_Package_Specification): On call to
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Has_Preelaborable_Initialization, pass True for new formal
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Formal_Types_Have_Preelab_Init, so that error checking treats
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subcomponents that are declared within types in generics as
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having preelaborable initialization when the subcomponents are
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of formal types.
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* sem_ch13.adb (Analyze_Aspects_At_Freeze_Point): Add test for
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P_I to prevent calling Make_Pragma_From_Boolean_Aspect, since
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this aspect is handled specially and the
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Known_To_Have_Preelab_Init flag will get set on types that have
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the aspect by other means.
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(Analyze_Aspect_Specifications.Analyze_One_Aspect): Add test for
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Aspect_Preelaborable_Initialization for allowing the aspect to
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be specified on formal type declarations.
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(Is_Operational_Item): Treat Attribute_Put_Image as an
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operational attribute. The need for this was encountered while
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working on these changes.
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* sem_util.ads (Has_Preelaborable_Initialization): Add
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Formal_Types_Have_Preelab_Init as a new formal parameter that
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defaults to False.
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(Is_Conjunction_Of_Formal_Preelab_Init_Attributes): New
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function.
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(Original_View_In_Visible_Part): Moved here from exp_disp.adb,
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so it can be called by Analyze_Attribute.
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* sem_util.adb (Has_Preelaborable_Initialization): Return True
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for formal private and derived types when new formal
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Formal_Types_Have_Preelab_Init is True, and pass along the
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Formal_Types_Have_Preelab_Init flag in the array component case.
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(Check_Components): Pass along Formal_Types_Have_Preelab_Init
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flag on call to Has_Preelaborable_Initialization.
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(Is_Conjunction_Of_Formal_Preelab_Init_Attributes): New function
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that returns True when passed an expression that includes one or
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more attributes for Preelaborable_Initialization applied to
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prefixes that denote formal types.
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(Is_Formal_Preelab_Init_Attribute): New utility function nested
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within Is_Conjunction_Of_Formal_Preelab_Init_Attributes that
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determines whether a node is a P_I attribute applied to a
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generic formal type.
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(Original_View_In_Visible_Part): Moved here from exp_util.adb,
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so it can be called by Analyze_Attribute.
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* snames.ads-tmpl: Add note near the start of spec giving
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details about what needs to be done when adding a name that
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corresponds to both an attribute and a pragma. Delete existing
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occurrence of Name_Preelaborable_Initialization, and add a note
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comment in the list of Name_* constants at that place,
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indicating that it's included in type Pragma_Id, etc., echoing
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other such comments for names that are both an attribute and a
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pragma. Insert Name_Preelaborable_Initialization in the
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alphabetized set of Name_* constants corresponding to
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attributes (between First_Attribute_Name and
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Last_Attribute_Name).
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(type Attribute_Id): Add new literal
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Attribute_Preelaborable_Initialization.
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(type Pragma_Id): Move Pragma_Preelaborable_Initialization from
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its current position to the end of the type, in the special set
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of pragma literals that have corresponding atttributes. Add to
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accompanying comment, indicating that functions Get_Pragma_Id
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and Is_Pragma_Name need to be updated when adding a pragma
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literal to the special set.
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* snames.adb-tmpl (Get_Pragma_Id): Add case alternative for
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Pragma_Preelaborable_Initialization.
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(Is_Pragma_Name): Add test for
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Name_Preelaborable_Initialization.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* sem_ch4.adb (Finc_Non_Universal_Interpretations): Fix check.
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2021-09-20 Piotr Trojanek <trojanek@adacore.com>
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* sem_ch3.adb (Build_Discriminant_Constraints): Exit once a
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first discriminant is found and the Discrim_Present flag is set.
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2021-09-20 Bob Duff <duff@adacore.com>
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* gnat1drv.adb (Gnat1drv): Avoid calling List_Rep_Info in
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Generate_SCIL and GNATprove_Mode.
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* repinfo.adb (List_Common_Type_Info): Fix comment.
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2021-09-20 Eric Botcazou <ebotcazou@adacore.com>
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* libgnat/s-dwalin.ads: Remove clause for Ada.Exceptions.Traceback,
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add clause for System.Traceback_Entries and alphabetize.
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(AET): Delete.
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(STE): New package renaming.
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(Symbolic_Traceback): Adjust.
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* libgnat/s-dwalin.adb: Remove clauses for Ada.Exceptions.Traceback
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and System.Traceback_Entries.
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(Symbolic_Traceback): Adjust.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* sem_ch4.adb (Find_Non_Universal_Interpretations): Check if
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types are compatible before adding interpretation.
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2021-09-20 Justin Squirek <squirek@adacore.com>
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* exp_ch4.adb (Expand_N_Type_Conversion): Add guard to protect
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against calculating accessibility levels against internal
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compiler-generated types.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* sem_dim.adb (Dimensions_Msg_Of): Capitalize comment.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* adabkend.adb (Scan_Back_End_Switches): Replace switch-scanning
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logic with call to Backend_Utils.Scan_Common_Back_End_Switches.
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* back_end.adb (Scan_Back_End_Switches): Replace switch-scanning
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logic with call to Backend_Utils.Scan_Common_Back_End_Switches.
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* backend_utils.adb: New file.
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* backend_utils.ads: New file.
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* gcc-interface/Make-lang.in: Add ada/backend_utils.o.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* atree.adb (Get_32_Bit_Field): Declare result before returning.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* exp_ch7.adb (Expand_N_Package_Body): Replace
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Build_And_Insert_Cuda_Initialization with Expand_CUDA_Package.
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* gnat_cuda.adb (Expand_CUDA_Package): New procedure.
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(Build_And_Insert_Cuda_Initialization): Make internal.
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* gnat_cuda.ads (Expand_CUDA_Package): New procedure.
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(Build_And_Insert_Cuda_Initialization): Remove from spec.
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2021-09-20 Ghjuvan Lacambre <lacambre@adacore.com>
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* usage.adb (Usage): Update -gnatw.c messages.
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2021-09-20 Eric Botcazou <ebotcazou@adacore.com>
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* sem_aux.adb (Is_By_Reference_Type): Do not test Error_Posted.
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2021-09-15 Alexandre Oliva <oliva@adacore.com>
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* gcc-interface/utils.c: Include opts.h.
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GCC Administrator