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From-SVN: r279880
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From-SVN: r279813
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* gcc.c (process_command): Update copyright notice dates.
* gcov-dump.c (print_version): Ditto.
* gcov.c (print_version): Ditto.
* gcov-tool.c (print_version): Ditto.
* gengtype.c (create_file): Ditto.
* doc/cpp.texi: Bump @copying's copyright year.
* doc/cppinternals.texi: Ditto.
* doc/gcc.texi: Ditto.
* doc/gccint.texi: Ditto.
* doc/gcov.texi: Ditto.
* doc/install.texi: Ditto.
* doc/invoke.texi: Ditto.
gcc/fortran/
* gfortranspec.c (lang_specific_driver): Update copyright notice
dates.
* gfc-internals.texi: Bump @copying's copyright year.
* gfortran.texi: Ditto.
* intrinsic.texi: Ditto.
* invoke.texi: Ditto.
gcc/d/
* gdc.texi: Bump @copyrights-d year.
gcc/go/
* gccgo.texi: Bump @copyrights-go year.
gcc/ada/
* gnat_ugn.texi: Bump @copying's copyright year.
* gnat_rm.texi: Likewise.
libitm/
* libitm.texi: Bump @copying's copyright year.
libgomp/
* libgomp.texi: Bump @copying's copyright year.
libquadmath/
* libquadmath.texi: Bump @copying's copyright year.
From-SVN: r279811
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Provide a default value of $(toolexeclibdir) for $(ADA_RTL_DSO_DIR), so
that in a `--disable-libada' configuration `make install' places shared
gnatlib libraries, built with `make -C gcc gnatlib-shared', in their
intended version-specific location, fixing a commit r276424 ("libada:
Respect `--enable-version-specific-runtime-libs'") regression.
gcc/ada/
* gcc-interface/Makefile.in (toolexeclibdir): New variable.
From-SVN: r279702
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before turning off all the...
* gcc-interface/trans.c (Pragma_to_gnu) <Pragma_Warnings>: Push a
diagnostics state for pragma Warnings (Off) before turning off all
the warnings and only pop it for pragma Warnings (On).
From-SVN: r279519
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2019-12-18 Justin Squirek <squirek@adacore.com>
gcc/ada/
* sem_ch6.adb (Analyze_Function_Return): Modify handling of
extended return statements to check accessibility of access
discriminants.
(Check_Aggregate_Accessibility): Removed.
(Check_Return_Obj_Accessibility): Added to centralize checking
of return aggregates and subtype indications in the case of an
extended return statement.
From-SVN: r279518
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2019-12-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-regpat.adb (Parse_Literal, Parse_Piece): Ensure
Expr_Flags is always fully initialized.
From-SVN: r279517
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2019-12-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-atopar.ads, libgnat/s-atopex.ads (Atomic_Type): Can
now be marked Atomic. This requires marking the unit Ada 202x.
From-SVN: r279516
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2019-12-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/a-nbnbin.ads, libgnat/a-nbnbin.adb,
libgnat/a-nbnbre.ads, libgnat/a-nbnbre.adb: Replace
Optional_Big_* types by a simple check and exception raise in
Get_Bignum.
(Set_Bignum): Arg should be 'out' and not 'in out'.
(Invalid_Big_Integer, No_Big_Real): Removed.
(Is_Valid): Now convention Intrinsic.
From-SVN: r279515
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2019-12-18 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* doc/gnat_rm/implementation_defined_pragmas.rst,
doc/gnat_rm/obsolescent_features.rst,
doc/gnat_ugn/gnat_and_program_execution.rst, exp_attr.adb,
exp_ch9.adb, init.c, libgnat/s-valrea.adb, par-ch6.adb,
sem_attr.adb, sem_ch4.adb, sem_util.ads: Fix trivial typos.
* gnat_rm.texi, gnat_ugn.texi: Regenerate.
From-SVN: r279514
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2019-12-18 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* sem_res.adb (Resolve_Type_Conversion): Add handling for access
types with designated operand and target types that are
referenced in places that have a limited view of an interface
type by retrieving the nonlimited view when it exists. Add ???
comments related to missing limited_with_clause handling for
Target (in the non-access case).
From-SVN: r279513
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2019-12-18 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* par-ch12.adb (P_Formal_Derived_Type_Definition): In Ada_2020
the keyword WITH can indicate the start of aspect specifications
and not a private type extension.
* sem_ch12.adb (Analyze_Formal_Type): Indicate that it is a
first subtype.
(Instantiate_Type): New procedure
Check_Shared_Variable_Control_Aspects to verify matching rules
between formal and actual types. Note that an array type with
aspect Atomic_Components is considered compatible with an array
type whose component type is Atomic, even though the array types
do not carry the same aspect.
* sem_ch13.adb (Analyze_One_Aspect): Allow shared variable
control aspects to appear on formal types.
(Rep_Item_Too_Early): Exclude aspects on formal types.
* sem_prag.adb (Mark_Type): Handle properly pragmas that come
from aspects on formal types.
(Analyze_Pragma, case Atomic_Components): Handle formal types.
From-SVN: r279512
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2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* cstand.adb (Create_Standard): Remove duplicate line and
adjust.
From-SVN: r279511
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2019-12-18 Javier Miranda <miranda@adacore.com>
gcc/ada/
* debug.adb: Document -gnatd_K as a reserved switch for the
detection of known problem issues of previous releases.
From-SVN: r279510
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2019-12-18 Ghjuvan Lacambre <lacambre@adacore.com>
gcc/ada/
* par-ch13.adb: Check if declarations allow aspect
specifications.
From-SVN: r279509
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2019-12-18 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* einfo.ads (Is_Ghost_Entity): Fix typo in comment.
From-SVN: r279508
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2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* layout.adb (Layout_Type): In the case of composite types, do
not copy the Esize onto the RM_Size if the latter is not set.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>:
Also cap the alignment if an Object_Size clause has been
specified. Pass VAR_DECL in the call to validate_size for the
Esize of a type.
(validate_size): Be prepared to give an error on an Object_Size
clause.
From-SVN: r279507
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2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* einfo.ads (Handling of Type'Size Value): Add references to the
introduction of Object_Size in Ada 2020.
* sem_eval.adb (Subtypes_Statically_Match): Likewise.
From-SVN: r279506
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2019-12-18 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch3.adb (Derive_Subprogram): Do not set the
Requires_Overriding flag in the above-mentioned case.
From-SVN: r279505
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2019-12-18 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch8.adb (Note_Redundant_Use): It was already checking for
a use clause in the visible part of the child. Add an additional
check for a use clause in the context clause of the child.
From-SVN: r279504
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.adb (Handle_Serious_Error): Disable the above-mentioned
warnings.
From-SVN: r279441
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.adb, errout.ads: Improve comments.
From-SVN: r279440
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_util.ads: Minor comment fix.
From-SVN: r279439
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.ads, errout.adb (Is_Size_Too_Small_Message): Check for
"size for" instead of "size for& too small, minimum allowed is
^".
From-SVN: r279438
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Set only
the RM_Size on the subtype built for a Component_Size clause
when the component type is a biased integer type.
From-SVN: r279437
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* socket.c: Shutdown warning.
From-SVN: r279436
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnarl/s-tataat.ads (Deallocator): Mark as Favor_Top_Level.
From-SVN: r279435
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-aotase.adb, libgnat/s-aotase.ads,
libgnat/s-atoope.ads, libgnat/s-atopar.adb,
libgnat/s-atopar.ads, libgnat/s-atopex.adb,
libgnat/s-atopex.ads: New files.
* libgnat/s-atopri.ads: Add new intrinsics.
* Makefile.rtl: Add new runtime files.
* impunit.adb: Add new units to Ada 2020 list.
From-SVN: r279434
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* freeze.adb (Check_Strict_Alignment): Remove new check on
Has_Aliased_Components for array types.
From-SVN: r279433
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2019-12-16 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_ch4.adb (Try_Container_Indexing): In the case of a derived
container type, use the base type to look for candidate indexing
operations, because the object may be a constrained subtype or
itype with no explicit declaration. Candidate indexing
operations are found in the same scope and list of declarations
as the declaration of the base type.
From-SVN: r279432
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2019-12-16 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* scng.adb (Scan): In Ada2020, a left-bracket indicates the
start of an homogenous aggregate.
* par-ch4.adb (P_Reduction_Attribute_Reference): New procedure.
(P_Aggregate): Recognize Ada2020 bracket-delimited aggregates.
(P_Primary): Ditto.
* par-util.adb (Comma_Present): Return false on a right bracket
in Ada2020, indicating the end of an aggregate.
* snames.ads-tmpl: Introduce Name_Reduce and Attribute Reduce.
* sinfo.ads, sinfo.adb (Is_Homogeneous_Aggregate): New flag on
aggregates, to designate an Ada2020 array or container aggregate
that is bracket-delimited in the source.
* sem_attr.adb (Analyze_Attribute): For attribute Reduce, verify
that two arguments are present, and verify that the prefix is a
stream or an object that is iterable (array or contrainer).
(Resolve_Attribute): For attribute Reduce, resolve initial value
with the type of the context. Type-checking of element type of
prefix is performed after expansion.
* exp_attr.adb (Expand_N_Attribute_Reference): For attribute
Reduce, expand into a loop: a) If prefix is an aggregate with a
single iterated component association, use its iterator
specification to construct a loop, b) If prefix is a name, build
a loop using an element iterator loop.
* scans.ads: Add brackets tokens.
From-SVN: r279431
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Adjust calls to
validate_size.
(gnat_to_gnu_component_type): Likewise.
(gnat_to_gnu_field): Likewise and pass string for error messages.
(components_need_strict_alignment): Remove test on Is_Aliased and
add test for the independence of the component.
(validate_size): Add S1 and S2 string parameters and use them to
give better error messages for fields. Tweak a couple of messages.
* einfo.ads (Has_Independent_Components): Document more cases.
(Is_Independent): Likewise.
(Strict_Alignment): Document new semantics.
* exp_ch9.adb (Install_Private_Data_Declarations): Also set the
Is_Independent flag along with Is_Aliased on the renaming
entity.
* freeze.adb (Size_Known): Remove always-false test and add test
for the strict-alignment on the record type. Remove redundant
tests and add test for the strict-alignment on the component
type.
(Check_Strict_Alignment): Set the flag if the type is by-ref and
remove now redundant conditions. Set the flag on an array type
if it has aliased components. In the record type case, do not
set type for C_Pass_By_Copy convention.
(Freeze_Array_Type): Move code checking for conflicts between
representation aspects and clauses to before specific handling
of packed array types. Give a warnind instead of an error for a
conflict with pragma Pack. Do not test Has_Pragma_Pack for the
specific handling of packed array types.
(Freeze_Record_Type): Move error checking of representation
clause to...
(Freeze_Entity): ...here after Check_Strict_Alignment is called.
* sem_aggr.adb (Array_Aggr_Subtype): Also set the Is_Independent
flag along with Is_Aliased on the Itype.
* sem_ch13.adb (Check_Record_Representation_Clause): Do not set
the RM size for a strict-alignment type.
* sem_ch3.adb (Add_Interface_Tag_Components): Also set the
Is_Independent flag along with Is_Aliased on the tag.
(Add_Interface_Tag_Components): Likewise on the offset.
(Analyze_Component_Declaration): Likewise on the component.
(Analyze_Object_Declaration): Likewise on the object.
(Constrain_Array): Likewise on the array.
(Record_Type_Declaration: Likewise on the tag.
(Array_Type_Declaration): Also set the
Has_Independent_Components flag along with
Has_Aliased_Components on the array.
(Copy_Array_Base_Type_Attributes): Copy
Has_Independent_Components.
(Copy_Array_Subtype_Attributes): Copy Is_Atomic, Is_Independent
and Is_Volatile_Full_Access.
(Analyze_Iterator_Specification): Set Is_Independent on the loop
variable according to Independent_Components on the array.
* sem_ch5.adb: Likewise.
* sem_ch6.adb (Process_Formals): Also set the Is_Independent
flag along with Is_Aliased on the formal.
gcc/testsuite/
* gnat.dg/specs/clause_on_volatile.ads,
gnat.dg/specs/size_clause3.ads: Update expected diagnostics.
From-SVN: r279430
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch8.adb (Analyze_Object_Renaming): Set Atomic, Independent
and Volatile_Full_Access aspects on the entity of the renaming
the same way as the Volatile aspect is set.
* sem_util.ads (Is_Atomic_Object_Entity): Move declaration to...
(Is_Independent_Object): New function.
(Is_Volatile_Full_Access_Object): Likewise.
* sem_util.adb (Is_Atomic_Object_Entity): ...here.
(Prefix_Has_Atomic_Components): Minor tweak.
(Is_Atomic_Object): Test Is_Atomic on the Etype uniformly.
(Is_Atomic_Or_VFA_Object): Call Is_Volatile_Full_Access_Object.
(Is_Independent_Object): New predicate.
(Is_Subcomponent_Of_Atomic_Object): Remove redundant test.
(Is_Volatile_Full_Access_Object): New predicate.
(Is_Volatile_Prefix): Rename into...
(Prefix_Has_Volatile_Components): ... and call
Is_Volatile_Object.
(Object_Has_Volatile_Components): Delete.
(Is_Volatile_Object): Simplify.
* gcc-interface/trans.c (node_is_volatile_full_access): Adjust
comment.
From-SVN: r279429
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* par.adb: Add Scopes function to do range checking on the scope
stack. Call Scopes all over the parser. Add
SIS_Aspect_Import_Seen flag.
* par-ch6.adb (P_Subprogram): Initialize SIS_Aspect_Import_Seen
to False at the start, and check it at the end.
* par-ch13.adb (Get_Aspect_Specifications): Set
SIS_Aspect_Import_Seen to True when appropriate.
* par-ch10.adb, par-ch12.adb, par-ch2.adb, par-ch3.adb,
par-ch5.adb, par-ch7.adb, par-ch9.adb, par-endh.adb,
par-util.adb: Call Scopes.
From-SVN: r279428
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_prag.adb (Atomic_Components): Remove local variable and
fix consistency issues. Call Component_Type on the Etype of E.
(Independent_Components): Remove local variable.
* sem_util.adb (Is_Subcomponent_Of_Atomic_Object): Properly deal
with prefixes that are access values.
* gcc-interface/trans.c (atomic_acces_t): New enumeral type.
(node_is_atomic) <N_Indexed_Component>: Test the prefix.
(node_has_volatile_full_access): Rename into...
(node_is_volatile_full_access): ...this.
(node_is_component): New predicare.
(gnat_strip_type_conversion): Delete.
(outer_atomic_access_required_p): Likewise.
(atomic_access_required_p): Rename into...
(get_atomic_access): ...this. Implement the 3 different semantics
of Atomic and Volatile_Full_Access.
(simple_atomic_access_required_p): New predicate.
(Call_to_gnu): Remove outer_atomic_access parameter and change the
type of atomic_access parameter to atomic_acces_t. Replace call to
atomic_access_required_p with simple_atomic_access_required_p for
the in direction and call get_atomic_access for the out direction
instead of [outer_]atomic_access_required_p.
(lhs_or_actual_p): Constify local variables.
(present_in_lhs_or_actual_p): Likewise.
(gnat_to_gnu) <N_Identifier>: Replace call to atomic_access_required_p
with simple_atomic_access_required_p.
<N_Explicit_Dereference>: Likewise.
<N_Indexed_Component>: Likewise.
<N_Selected_Component>: Likewise.
<N_Assignment_Statement>: Call get_atomic_access for the name instead
of [outer_]atomic_access_required_p. Adjust call to Call_to_gnu.
<N_Function_Call>: Adjust call to Call_to_gnu.
(get_controlling_type): Fix typo in comment.
From-SVN: r279427
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* fe.h (Ada_Version_Type): New typedef.
(Ada_Version): Declare.
* opt.ads (Ada_Version_Type): Add Convention C and WARNING line.
(Ada_Version): Add WARNING line.
(Exception_Mechanism_Type): Likewise.
From-SVN: r279426
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2019-12-16 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* checks.adb, sem_util.adb: Minor reformatting and U.S. spelling
adjustment.
From-SVN: r279425
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch10.adb (Analyze_Subunit): Give an error if the subunit
is not a proper body. This hides the confusing "duplicate body"
message that was previously given.
From-SVN: r279424
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch8.adb (Expand_N_Object_Renaming_Declaration): Document
third special case of renamings requiring special handling.
(Evaluation_Required): Return true for an atomic or VFA prefix.
From-SVN: r279423
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2019-12-16 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* checks.adb (Apply_Float_Conversion_Check): Use node of type
conversion and not its parent, when inserting the declaration
for the temporary that hold the result of the conversion.
Previously the declaration was inserted above the parent of the
conversion, apparently as a small optimization for the
subsequent traversal in Insert_Actions. Unfortunately a similar
optimization takes place in Insert_Actions, assuming that the
insertion point must be above the expression that creates the
actions to insert. This is not correct in the presence of
conditional expressions (i.e. since Ada2012), where the
insertion must be in the list of actions attached to the current
alternative.
From-SVN: r279422
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_attr.adb (Analyze_Attribute): Use Known_RM_Size. But we
still need Size_Known_At_Compile_Time, because when the size
really is known, sometimes only one or the other of these is
True.
From-SVN: r279421
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_util.adb (Is_Atomic_Or_VFA_Object): Also return true for
components whose type is Volatile_Full_Access or which are
subject to the aspect/pragma individually.
* sem_util.ads (Is_Atomic_Object_Entity): Small comment fix.
From-SVN: r279420
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2019-12-16 Yannick Moy <moy@adacore.com>
gcc/ada/
* exp_ch6.adb: Fix comment.
* sem_res.adb (Resolve_Call): Do not check No_Recursion
restriction or indirectly No_Secondary_Stack restriction, when
inside an ignored ghost subprogram.
From-SVN: r279419
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2019-12-16 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* impunit.adb: Add a-nbnbin, a-nbnbre, a-nubinu to Ada 2020
units.
* Makefile.rtl: Enable new file.
* libgnat/a-nbnbin.adb, libgnat/a-nbnbin.ads,
libgnat/a-nbnbre.adb, libgnat/a-nbnbre.ads,
libgnat/a-nubinu.ads: New files. Provide default standalone
implementation of Ada.Numerics.Big_Numbers.Big_* based on
System.Generic_Bignum.
* libgnat/a-nbnbin__gmp.adb: Alternate implementation of
Ada.Numerics.Big_Numbers.Big_Integers based on GMP. Not enabled
for now.
* libgnat/s-bignum.ads, libgnat/s-bignum.adb: Now a simple
wrapper on top of s-genbig.ads.
* libgnat/s-genbig.ads, libgnat/s-genbig.adb: New files, making
s-bignum generic for reuse in Ada.Numerics.Big_Numbers.
From-SVN: r279418
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
Correct documentation of -gnatw_C switch
* gnat_ugn.texi: Regenerate.
From-SVN: r279417
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2019-12-16 Joel Brobecker <brobecker@adacore.com>
gcc/ada/
* doc/gnat_ugn/building_executable_programs_with_gnat.rst
(_Switches_for_gnatbind): Reword the section explaining the
impact of -minimal on debugging.
* gnat_ugn.texi: Regenerate.
From-SVN: r279416
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2019-12-16 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* libgnat/g-exptty.adb, libgnat/g-exptty.ads: Typo fixes and
minor reformatting.
From-SVN: r279415
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch6.adb (Requires_Atomic_Or_Volatile_Copy): New predicate.
(Expand_Actuals): Use it to decide whether to add call by copy
code as per the RM C.6(19) clause.
* fe.h (Is_Atomic_Object): Remove.
(Is_Volatile_Object): Likewise.
* sem_util.ads (Is_Atomic_Object): Remove WARNING note.
(Is_Volatile_Object): Likewise.
* gcc-interface/trans.c (atomic_or_volatile_copy_required_p): Delete.
(Call_to_gnu): Do not implement the RM C.6(19) clause.
From-SVN: r279414
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2019-12-16 Ghjuvan Lacambre <lacambre@adacore.com>
gcc/ada/
* sem_ch12.adb (Validate_Access_Subprogram_Instance): Add
Can_Never_Be_Null checks.
From-SVN: r279413
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* doc/gnat_rm/implementation_defined_pragmas.rst (VFA): Document
extension of the no-aliasing rule to any subcomponent.
* freeze.adb (Freeze_Object_Declaration): Small comment tweak.
(Freeze_Record_Type): Do not deal with delayed aspect
specifications for components here but...
(Freeze_Entity): ...here instead.
* sem_ch12.adb (Instantiate_Object): Improve wording of errors
given for legality rules in C.6(12) and implement the new rule
in C.6(13).
* sem_res.adb (Resolve_Actuals): Likewise.
* sem_prag.adb (Check_Atomic_VFA): New procedure implementing
the new legality rules in C.6(13).
(Process_Atomic_Independent_Shared_Volatile): Call
Check_Atomic_VFA to check the legality rules. Factor out code
marking types into...
(Mark_Type): ...this new procedure.
(Check_VFA_Conflicts): Do not check the legality rules here.
(Pragma_Atomic_Components): Call Check_Atomic_VFA on component
type.
* sem_util.ads (Is_Subcomponent_Of_Atomic_Object): Declare.
* sem_util.adb (Is_Subcomponent_Of_Atomic_Object): New
predicate.
* gnat_rm.texi: Regenerate.
From-SVN: r279412
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