Age | Commit message (Collapse) | Author | Files | Lines |
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2020-06-11 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_pakd.ads: Add paragraph about scalar storage order.
* exp_pakd.adb (Install_PAT): Do not set the scalar storage
order of the PAT here but...
(Set_PB_Type): ...here instead and...
(Create_Packed_Array_Impl_Type): ...here as well.
* rtsfind.ads (RE_Id): Add RE_Rev_Packed_Bytes{1,2,4}.
(RE_Unit_Table): Likewise.
* libgnat/s-unstyp.ads (Rev_Packed_Bytes1): New derived type.
(Rev_Packed_Bytes2): Likewise.
(Rev_Packed_Bytes4): Likewise.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_ch4.adb, sem_ch6.adb, sem_res.adb, sem_util.ads: Fix
references to SPARK RM 7.1.3 rule numbers.
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2020-06-11 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_warn.adb (Warn_On_Overlapping_Actuals): Simplify code,
remove inner predicate Is_Covered_Formal, preserve warning for
two overlapping composite types when only one is writable, and
for two overlapping and writable elementary types.
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2020-06-11 Steve Baird <baird@adacore.com>
gcc/ada/
* contracts.adb (Add_Contract_Item): Support specifying
volatility refinement aspects for types.
(Analyze_Contracts): Add call to Analyze_Type_Contract in the
case of a contract for a type.
(Freeze_Contracts): Add call to Analyze_Type_Contract in the
case of a contract for a type.
(Check_Type_Or_Object_External_Properties): A new procedure
which performs the work that needs to be done for both object
declarations and types.
(Analyze_Object_Contract): Add a call to
Check_Type_Or_Object_External_Properties and remove the code in
this procedure which did much of the work that is now performed
by that call.
(Analyze_Type_Contract): Implement this new routine as nothing
more than a call to Check_Type_Or_Object_External_Properties.
* contracts.ads: Update comment for Add_Contract_To_Item because
types can have contracts. Follow (questionable) precedent and
declare new routine Analyze_Type_Contract as visible (following
example of Analyze_Object_Contract), despite the fact that it is
never called from outside of the package where it is declared.
* einfo.adb (Contract, Set_Contract): Id argument can be a type;
support this case.
(Write_Field34_Name): Field name is "contract" for a type.
* einfo.ads: Update comment describing Contract attribute.
* sem_ch3.adb (Build_Derived_Numeric_Type): Is_Volatile should
return same answer for all subtypes of a given type. Thus, when
building the base type for something like type Volatile_1_To_10
is range 1 .. 10 with Volatile; that basetype should be marked
as being volatile.
(Access_Type_Declaration): Add SPARK-specific legality check
that the designated type of an access type shall be compatible
with respect to volatility with the access type.
* sem_ch12.adb (Check_Shared_Variable_Control_Aspects): Add
SPARK-specific legality check that an actual type parameter in
an instantiation shall be compatible with respect to volatility
with the corresponding formal type.
* sem_ch13.adb (Analyze_Aspect_Specifications): Perform checks
for aspect specs for the 4 volatility refinement aspects that
were already being performed for all language-defined aspects.
* sem_prag.adb (Analyze_External_Property_In_Decl_Part,
Analyze_Pragma): External properties (other than No_Caching) may
be specified for a type, including a generic formal type.
* sem_util.ads: Declare new subprograms - Async_Readers_Enabled,
Async_Writers_Enabled, Effective_Reads, Effective_Writes, and
Check_Volatility_Compatibility.
* sem_util.adb (Async_Readers_Enabled, Async_Writers_Enabled,
Effective_Reads, Effective_Writes): Initial implementation of
new functions for querying aspect values.
(Check_Volatility_Compatibility): New procedure intended for use
in checking all SPARK legality rules of the form "<> shall be
compatible with respect to volatility with <>".
(Has_Enabled_Property): Update comment because Item_Id can be a
type. Change name of nested Variable_Has_Enabled_Property
function to Type_Or_Variable_Has_Enabled_Property; add a
parameter to that function because recursion may be needed,
e.g., in the case of a derived typ). Cope with the case where
the argument to Has_Enabled_Property is a type.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_aggr.adb (Add_Association): Add assertion about the formal
parameters.
(Propagate_Discriminants): Always add an explicit component
association, so that an "others => <>" association is never
needed.
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2020-06-11 Bob Duff <duff@adacore.com>
gcc/ada/
* exp_put_image.adb (Build_Elementary_Put_Image_Call): If the
underlying type is real, call Put_Image_Unknown.
(Build_Unknown_Put_Image_Call): Pass the type name to
Put_Image_Unknown.
* libgnat/s-putima.ads, libgnat/s-putima.adb
(Put_Image_Unknown): Add Type_Name parameter. Remove
overly-detailed documentation of what it does; better to leave
it open.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_ch3.adb (Build_Constrained_Array_Type,
Build_Constrained_Discriminated_Type): Skip unnecessary loop
iterations.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_aggr.adb (Build_Constrained_Itype): Move to Sem_Util.
* sem_ch3.adb (Build_Subtype, Inherit_Predicate_Flags): Move...
* sem_util.adb (Build_Subtype): Here. Add parameters for
references to objects previously declared in enclosing scopes.
(Inherit_Predicate_Flags): And here, because it is called by
Build_Subtype.
* sem_util.ads (Build_Overriding_Spec): Reorder alphabetically.
(Build_Subtype): Moved from Sem_Ch3; comments updated.
(Build_Constrained_Itype): Moved from Sem_Aggr; comments
updated.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_aggr.adb (Case_Table_Type): Change index type from Nat to
Pos.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_aggr.adb (Build_Constrained_Itype): Previously a declare
block, now a separate procedure; the only change is that now
New_Assoc_List might include components and an others clause,
which we ignore (while we deal with discriminants exactly as we
did before); extend a ??? comment about how this routine is
different from the Build_Subtype
(Resolve_Record_Aggregate): Create a constrained itype not just
for the outermost record aggregate, but for its inner record
aggregates as well.
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2020-06-11 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* checks.adb (Build_Discriminant_Checks): Build an explicit
dereference when the type is an access type.
* exp_atag.adb (Build_CW_Membership): Add explicit dereferences.
(Build_Get_Access_Level): Likewise.
(Build_Get_Alignment): Likewise.
(Build_Inherit_Prims): Likewise.
(Build_Get_Transportable): Likewise.
(Build_Set_Size_Function): Likewise.
* exp_ch3.adb (Build_Offset_To_Top_Function): Likewise.
* exp_ch4.adb (Expand_Allocator_Expression): Likewise.
(Expand_N_Indexed_Component ): Remove code dealing with implicit
dereferences.
(Expand_N_Selected_Component): Likewise.
(Expand_N_Slice): Likewise.
* exp_ch9.adb (Add_Formal_Renamings): Add explicit dereference.
(Expand_Accept_Declarations): Likewise.
(Build_Simple_Entry_Call): Remove code dealing with implicit
dereferences.
(Expand_N_Requeue_Statement): Likewise.
* exp_disp.adb (Expand_Dispatching_Call): Build an explicit
dereference when the controlling type is an access type.
* exp_spark.adb (Expand_SPARK_N_Selected_Component): Delete.
(Expand_SPARK_N_Slice_Or_Indexed_Component): Likewise.
(Expand_SPARK): Do not call them.
* sem_ch4.adb (Process_Implicit_Dereference_Prefix): Delete.
(Process_Indexed_Component): Call Implicitly_Designated_Type
to get the designated type for an implicit dereference.
(Analyze_Overloaded_Selected_Component): Do not insert an
explicit dereference here.
(Analyze_Selected_Component): Likewise.
(Analyze_Slice): Call Implicitly_Designated_Type to get the
designated type for an implicit dereference.
* sem_ch8.adb (Has_Components): New predicate extracted from...
(Is_Appropriate_For_Record): ...this. Delete.
(Is_Appropriate_For_Entry_Prefix): Likewise.
(Analyze_Renamed_Entry): Deal with implicit dereferences.
(Find_Selected_Component): Do not insert an explicit dereference
here. Call Implicitly_Designated_Type to get the designated type
for an implicit dereference. Call Has_Components, Is_Task_Type
and Is_Protected_Type directly. Adjust test for error.
* sem_res.adb (Resolve_Implicit_Dereference): New procedure.
(Resolve_Call): Call Resolve_Indexed_Component last.
(Resolve_Entry): Call Resolve_Implicit_Dereference on the prefix.
(Resolve_Indexed_Component): Call Implicitly_Designated_Type to
get the designated type for an implicit dereference and
Resolve_Implicit_Dereference on the prefix at the end.
(Resolve_Selected_Component): Likewise.
(Resolve_Slice): Likewise. Do not apply access checks here.
* sem_util.ads (Implicitly_Designated_Type): Declare.
* sem_util.adb (Copy_And_Maybe_Dereference): Simplify.
(Implicitly_Designated_Type): New function.
(Object_Access_Level): Fix typo.
* sem_warn.adb (Check_Unset_Reference): Test Comes_From_Source
on the original node.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* exp_disp.adb: Minor reformatting.
* exp_aggr.adb (Is_Static_Dispatch_Table_Aggregate): Recognize
aggregates of the Ada.Tags.Object_Specific_Data type as static.
* sem_aggr.adb (Check_Static_Discriminated_Subtype): Deconstruct
and do not call it from Build_Constrained_Itype.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* exp_disp.adb (Make_Secondary_DT): Internally generated OSD
tables are now constant.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* exp_aggr.adb (Backend_Processing_Possible): Remove useless
call.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* opt.ads (Building_Static_Dispatch_Tables): Fix punctuation in
comment.
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2020-06-11 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-stposu.ads (Root_Storage_Pool_With_Subpools,
Root_Subpool): Mark with Preelaborable_Initialization.
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2020-06-11 Javier Miranda <miranda@adacore.com>
gcc/ada/
* exp_ch9.adb (Expand_N_Conditional_Entry_Call): Replace call to
New_Copy_List by calls to the new routine
New_Copy_Separate_List.
* sem_util.ads (New_Copy_Separate_List, New_Copy_Separate_Tree):
New routines.
* sem_util.adb (New_Copy_Separate_List, New_Copy_Separate_Tree):
New routines.
(New_Copy_Tree): Extend the machinery that detects syntactic
nodes to handle lists of indentifiers with field More_Ids;
otherwise such nodes are erroneously handled as semantic nodes.
Copy aspect specifications attached to nodes.
* sem_ch12.adb (Copy_Generic_Node): Protect reading attribute
Etype.
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2020-06-11 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch13.adb (Analyze_Aspect_Specifications): Do not set the
Has_Predicates flag when the Predicate_Failure aspect is seen.
It is legal (but pointless) to use this aspect without a
predicate. If we set the flag, we generate a half-baked
Predicate procedure, and if that procedure is nested, it causes
unnesting to crash.
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2020-06-11 Bob Duff <duff@adacore.com>
gcc/ada/
* exp_put_image.adb (Build_Record_Put_Image_Procedure): Remove
special processing of protected types, because those are handled
by Build_Protected_Put_Image_Call.
(Enable_Put_Image): Use the switch -gnatd_z to control enabling
of Put_Image. Disable Put_Image for types in Remote_Types
packages.
* debug.adb: Document -gnatd_z switch.
* exp_imgv.adb, libgnat/a-stteou.ads, opt.ads: Minor cleanups.
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2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_warn.adb (Warn_On_Overlapping_Actuals): Add label to the
outer loop and use it in the exit statement.
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2020-06-11 Ghjuvan Lacambre <lacambre@adacore.com>
gcc/ada/
* exp_ch3.adb (Build_Assignment): Generate predicate check if
subtype mark has predicate.
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2020-06-11 Justin Squirek <squirek@adacore.com>
gcc/ada/
* sem_util.adb (Expand_N_Attribute_Reference): Use original
nodes where required to avoid looking at the expanded tree.
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2020-06-11 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/a-catizo.ads, libgnat/a-nbnbin.ads,
libgnat/a-nbnbre.ads, libgnat/a-nubinu.ads,
libgnat/s-aoinar.ads, libgnat/s-aomoar.ads,
libgnat/s-aotase.ads, libgnat/s-stopoo.ads: Remove aspects that
we will not implement.
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2020-06-11 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-aoinar.adb (Atomic_Fetch_And_Add,
Atomic_Fetch_And_Subtract): Add fallback using
compare-and-exchange, in case the integer type does not map to a
machine type.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-aomoar.ads, libgnat/s-aomoar.adb: New files.
* libgnat/s-atopar.ads: Move...
* libgnat/s-aoinar.ads: Here.
* libgnat/s-atopar.adb: Move...
* libgnat/s-aoinar.adb: Here.
* impunit.adb: Update list of runtime files.
* Makefile.rtl (GNATRTL_NONTASKING_OBJS=): Adjust.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* snames.ads-tmpl (Name_Characters_Assertion_Check,
Name_Containers_Assertion_Check,
Name_Interfaces_Assertion_Check, Name_IO_Assertion_Check,
Name_Numerics_Assertion_Check, Name_Strings_Assertion_Check,
Name_System_Assertion_Check): New constants.
* types.ads (Characters_Assertion_Check,
Containers_Assertion_Check, Interfaces_Assertion_Check,
IO_Assertion_Check, Numerics_Assertion_Check,
Strings_Assertion_Check, System_Assertion_Check): New constants.
(All_Checks): Update accordingly.
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2020-06-10 Ghjuvan Lacambre <lacambre@adacore.com>
gcc/ada/
* exp_ch3.adb (Build_Equivalent_Record_Aggregate): Return Empty
if Etype of record component has predicates.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* exp_ch3.adb (Build_Init_Statements): Implement the notion of
"require late initialization".
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2020-06-10 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_util.adb (Copy_And_Maybe_Dereference): Temporarily copy
the parent node of the original tree when dereferencing.
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2020-06-10 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_warn.adb (Warn_On_Overlapping_Actuals): Add a warning when
two actuals in a call overlap, both are composite types that may
be passed by reference, and only one of them is writable.
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2020-06-10 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch4.adb (Expand_N_In): Use an expression with actions to
insert the PE raise statement for the Unchecked_Union case.
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2020-06-10 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch4.adb (Analyze_Call): Use idiomatic condition.
* sem_res.adb (Resolve_Call): Remove obsolete code.
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2020-06-10 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_util.adb (Copy_And_Maybe_Dereference): New function.
(Build_Access_Record_Constraint): Use it to copy the prefix.
(Build_Actual_Array_Constraint): Likewise.
(Build_Actual_Record_Constraint): Likewise.
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2020-06-10 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_prag.adb (Invariant): Remove the pragma removing code. It
doesn't work to remove the pragma, because various flags are set
during Build_Invariant_Procedure_Declaration and
Build_Invariant_Procedure_Body that need to be set to avoid the
spurious warnings.
* exp_util.adb (Make_Invariant_Call): Avoid calling the
invariant-checking procedure if the body is empty. This is an
optimization.
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2020-06-10 Vasiliy Fofanov <fofanov@adacore.com>
gcc/ada/
* doc/gnat_ugn/gnat_utility_programs.rst: Fix gnatmetric
switches description.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* repinfo-input.ads, repinfo-input.adb, repinfo.adb,
repinfo.ads: Update header.
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2020-06-10 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_aggr.adb (In_Place_Assign_OK): Do not necessarily return
false for a type with discriminants.
(Convert_To_Assignments): Use Parent_Node and Parent_Kind more
consistently. In the in-place assignment case, first apply a
discriminant check if need be, and be prepared for a rewritten
aggregate as a result.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* atree.adb, contracts.adb, debug.adb, freeze.adb,
repinfo-input.adb, repinfo.adb, sem_attr.adb, sem_ch10.adb,
sem_ch13.adb, sem_ch3.adb, sem_ch5.adb, sem_ch6.adb,
sem_ch8.adb, sem_ch9.adb, sem_disp.adb, sem_eval.adb,
sem_prag.adb: Remove more references to ASIS.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-secsta.adb (Round_Up): Fix typo in exception
message.
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2020-06-10 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* par-ch4.adb (P_Membership_Test): Fix typo in a grammar rule.
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2020-06-10 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Remove
expansion of First and Last attributes.
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2020-06-10 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* exp_attr.adb (Expand_N_Attribute_Reference): Remove folding
for Enum_Rep attribute.
* exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Remove
duplicated code for folding Enum_Rep attribute.
* sem_attr.adb (Eval_Attribute): Relax condition for folding
Enum_Rep attribute; previously dead code is now executed when
the attribute prefix is an enumeration literal; refine type in
processing of Enum_Val.
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2020-06-10 Javier Miranda <miranda@adacore.com>
gcc/ada/
* sem_ch3.adb (Analyze_Declarations): Adjust the machinery that
takes care of late body overriding of initialize, adjust,
finalize. Remove ASIS mode code.
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2020-06-10 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* einfo.ads (Access_Subprogram_Wrapper): New attribute of
Subprogram_Type entities. Denotes subprogram constructed for
Access_To_Subprogram types that include pre- and postconditions.
* einfo.adb: Subprogram bodies for Access_Subprogram_Wrapper.
* exp_ch6.adb (Expand_Call): An indirect call through an
Access_To_subprogram that includes contracts is rewritten as a
call to the corresponding Access_ ubprogram_Wrapper. Handle
derived types that inherit contract from parent.
* sem_prag.adb (Build_Access_Subprogram_Wrapper): Build
subprogram declaration for subprogram that incorporates the
contracts of an Access_To_Subprogram type declaration. Build
corresponding body and attach it to freeze actions for type.
* sem_util.ads, sem_util.adb (Is_Access_Subprogram_Wrapper):
Utility that uses signature of the subprogram to determine
whether it is a generated wrapper for an Access_To_Subprogram
type.
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2020-06-10 Ghjuvan Lacambre <lacambre@adacore.com>
gcc/ada/
* par-ch6.adb (P_Subprogram): Make sure the specification
belongs to a procedure.
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2020-06-10 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_ch13.adb (All_Membership_Choices_Static): Assert an AST
property documented in sinfo.ads and simplify an excessive
condition.
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2020-06-10 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* exp_attr.adb (Expand_N_Attribute_Reference): Fix a copy-paste
mistake in comment.
* sem_res.adb (Flag_Effectively_Volatile_Objects): Fix a type in
the SPARK RM rule number.
* exp_ch4.adb, sem_util.adb: Fix style in single line comments.
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2020-06-10 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_aux.ads, sem_aux.adb (Get_Low_Bound): Remove.
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2020-06-10 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* scn.adb (Determine_License): Remove.
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