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gcc/ada/
* aspects.adb (Has_Aspect_Specifications_Flag): Add
N_Parameter_Specification.
* par-ch13.adb (Aspect_Specifications_Present): Also handle case
of an unknown aspect on the last formal parameter (terminated by
a Tok_Right_Paren). Minor reformatting.
* par-ch6.adb (P_Formal_Part): Scan aspects on formal
parameters.
* par.adb: Fix typos.
* sem_ch6.adb (Process_Formals): Add processing of aspects and
in particular Unreferenced aspect for now.
* sinfo.ads: Allow ASPECT_SPECIFICATIONS on a
PARAMETER_SPECIFICATION.
* doc/gnat_rm/implementation_defined_aspects.rst
(Aspect Unreferenced): Update documentation.
* gnat_rm.texi: Regenerate.
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gcc/ada/
* sem_util.ads, sem_util.adb (Get_Accessibility): Refine result
type from Node_Id to Entity_Id.
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gcc/ada/
* einfo.adb, exp_attr.adb, sem_ch13.adb, sem_util.adb: Use
Is_Formal where possible.
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gcc/ada/
* sem_util.ads: Declare a new package, Old_Attr_Util, which in
turn declares two more packages, Conditional_Evaluation and
Indirect_Temps. Conditional_Evaluation provides a predicate for
deciding whether a given 'Old attribute reference is eligible
for conditional evaluation and, in the case where it is
eligible, a function that constructs the Boolean-valued
condition that is to be evaluated at run time in deciding
whether to evaluate the attribute prefix. Indirect_Temps
provides support for declaring a temporary which is only
initialized conditionally; more specifically, an access type and
a variable of that type are declared (unconditionally) and then
the variable is (conditionally) initialized with an allocator.
The existence of the access type and the pointer variable is
hidden from clients, except that a predicate,
Is_Access_Type_For_Indirect_Temp, is provided for identifying
such access types. This is needed because we want such an access
type to be treated like a "normal" access type (specifically
with respect to finalization of allocated objects). Other parts
of the compiler treat access types differently if
Comes_From_Source is False, or if the secondary stack storage
pool is used; this predicate is used to disable this special
treatment.
* sem_attr.adb (Uneval_Old_Msg): Improve message text to reflect
Ada202x changes.
(Analyze_Attribute): A previously-illegal 'Old attribute
reference is accepted in Ada2020 if it is eligible for
conditional evaluation.
* sem_res.adb (Valid_Conversion): Do not treat a rewritten 'Old
attribute like other rewrite substitutions. This makes a
difference, for example, in the case where we are generating the
expansion of a membership test of the form "Saooaaat'Old in
Named_Access_Type"; in this case Valid_Conversion needs to
return True (otherwise the expansion will be False - see the
call site in exp_ch4.adb).
* exp_attr.adb (Expand_N_Attribute_Reference): When expanding a
'Old attribute reference, test for the case where the reference
is eligible for conditional evaluation. In that case, use the
new "indirect temporary" mechanism provided by Sem_Util.
* exp_prag.adb
(Expand_Attributes_In_Consequence.Expand_Attributes): If
Sem_Util.Indirect_Temp_Needed indicates that there could be
correctness problems associated with the old expansion scheme
for dealing with 'Old attributes in contract cases consequences,
then we use the new "indirect temporary" mechanism provided by
Sem_Util instead. We do not want to do this unconditionally.
* sem_util.adb: Provide a body for the new Old_Attr_Util
package. Further work is needed in several areas for
correctness:
- The function Is_Repeatedly_Evaluated does not deal with
container aggregates yet.
- The function Is_Known_On_Entry does not deal with interactions
with the Global aspect.
Each area where more work is needed is indicated with a "???"
comment in the code; a more detailed description can be found
there. Some optimization opportunties are similarly indicated
with a "???" comment.
* exp_ch3.adb (Freeze_Type): In deciding whether to generate
expansion for the list controller of an access type, take the
predicate Is_Access_Type_For_Indirect_Temp into account. If the
predicate yields True, then generate the expansion.
* exp_util.adb (Build_Allocate_Deallocate_Proc): We don't
normally finalize allocated objects that are allocated on the
secondary stack. Add an exception to this rule if the predicate
Is_Access_Type_For_Indirect_Temp yields True. As a result of
this exception, we have to deal with the fact that gigi expects
a different parameter profile if we are using the secondary
stack pool; the Pool and Alignment parameters must be omitted in
this case.
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gcc/ada/
* sem_ch12.adb (Install_Parents_Of_Generic_Context,
Remove_Parents_Of_Generic_Context): New subprograms.
(Instantiate_Package_Body): Adding assertions to ensure that
installed parents are properly removed.
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gcc/ada/
* sem_attr.adb (Analyze_Attribute): Emit a warning on 'Update
when Warn_On_Obsolescent_Feature is set to True.
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gcc/ada/
* gnat_cuda.adb (Build_Register_Function_Call): Make procedure
call instead of function, rename to
Build_Register_Procedure_Call.
(Build_CUDA_Init_Proc): Make procedure call instead of function.
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gcc/ada/
* exp_ch6.adb (Expand_Branch): Properly anticipate expansion of
conditional expressions producing object declarations in
addition to assignment statements, and rename formal.
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gcc/ada/
* errout.adb (Write_Source_Code_Line): Adopt display closer to
GCC format.
(Output_Messages): Deal specially with info messages.
* erroutc.adb (Prescan_Message): Fix bug leading to check
messages being considered as error messages in pretty output
mode.
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gcc/ada/
* exp_ch6.adb (Expand_Call_Helper): Properly handle the case
where the condition of a conditional expression has been
optimized out when calculating the value of an extra
accessibility parameter.
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gcc/ada/
* doc/gnat_ugn/gnat_utility_programs.rst: Change "_" to "-".
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gcc/ada/
* sem_aggr.adb (Resolve_Aggregate): Warn on not fully
initialized box aggregate.
* sem_aggr.ads: Fix typo.
* sem_res.adb (Resolve_Actuals): Fix typo in error message
format marking it incorrectly as a continuation message.
* sem_elab.adb (Check_Internal_Call_Continue): Similarly, add
missing primary message in case of a call to an actual generic
subprogram.
* sem_warn.adb (Check_References): Do not warn on read but never
assigned variables if the type is partially initialized.
* libgnat/a-except.ads, libgnat/a-ststun.ads,
libgnat/g-sechas.ads, libgnat/a-cbdlli.ads,
libgnat/a-cfdlli.ads, libgnat/a-cobove.ads,
libgnat/a-cohata.ads, libgnat/a-crbltr.ads,
libgnat/a-cbmutr.ads, libgnat/a-crdlli.ads,
libgnat/a-cbsyqu.ads: Address new warning.
* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
Update doc on -gnatwv.
* gnat_ugn.texi: Regenerate.
gcc/testsuite/
* gnat.dg/opt11.adb: Add new expected warning.
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gcc/ada/
* sem_ch6.adb (Analyze_Expression_Function): Mark static
expression functions as inlined.
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gcc/ada/
* contracts.adb (Is_Prologue_Renaming): This function was
missing support for E_Constant which can also be generated in
protected objects.
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gcc/ada/
* bindgen.adb (Gen_Bind_Env_String): Generate Ada 2012 compatible
strings. Code cleanup.
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gcc/ada/
* sem_util.adb, sem_util.ads: Comment fix.
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gcc/ada/
* sem_ch8.adb (Check_Constrained_Object): Suppress discriminant
checks when the type has default discriminants and comes from
expansion of a "for of" loop.
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gcc/ada/
* atree.ads: Make Default_Node a constant. Remove the
modification of Comes_From_Source, and use a separate flag for
that. Change Sloc to 0; it always overwritten, and never left
as the No_Location value.
(Print_Statistics): Move to spec so we can call it from
gnat1drv.
(Num_Nodes): Rename to clarify that this is approximate.
Correct comment: nodes and entities are never deleted, the count
is never decremented, and this is not used by Xref.
(Initialize): Correct comment: Error_List is not created here.
Other minor naming and comment changes.
* atree.adb (Extend_Node, New_Copy, New_Entity, New_Node):
Streamline these. Simplify and improve efficiency. Move code
from Allocate_Initialize_Node to these, where it can be executed
unconditionally. Take advantage of automatic zeroing of the
Nodes table.
(Allocate_Initialize_Node): Remove this. It was an efficiency
bottleneck, and somewhat complicated, because it was called from
4 places, and had all sorts of conditionals to check where it
was called from. Better to move most of that code to the call
sites, where it can be executed (or not) unconditionally.
(Allocate_New_Node): New procedure to partly replace
Allocate_Initialize_Node (called from just 2 of those 4 places).
(Comes_From_Source_Default): New flag written/read by
Set_Comes_From_Source_Default/Get_Comes_From_Source_Default.
This allows us to make Default_Node into a constant with
all-zeros value.
(Set_Paren_Count_Of_Copy): New procedure to avoid duplicated
code.
(Report): New procedure to encapsulate the call to the reporting
procedure.
(Atree_Private_Part): We now need a body for this package, to
contain package body Nodes.
(Approx_Num_Nodes_And_Entities): Was Num_Nodes. For efficiency,
compute the answer from Nodes.Last. That way we don't need to
increment a counter on every node creation. Other minor naming
and comment changes.
* gnat1drv.adb: Call Atree.Print_Statistics if -gnatd.A switch
was given. Add comment documenting the new order dependency (we
must process the command line before calling Atree.Initialize).
* debug.adb: Document -gnatd.A.
* einfo.adb, sinfo.adb: Remove useless Style_Checks pragmas.
* nlists.ads (Allocate_List_Tables): Inline makes node creation
a little faster.
* nlists.adb (Initialize): Remove local constant E, which didn't
seem to add clarity.
* treepr.adb (Print_Init): Use renamed
Approx_Num_Nodes_And_Entities function.
* types.ads: Change the Low and High bounds as described above.
* types.h: Change Low and High bounds to match types.ads.
* sem_ch8.adb, namet.adb, namet.ads: Move the computation of
Last_Name_Id from sem_ch8 to namet, and correct it to not assume
Name_Ids are positive.
* ali.adb, ali-util.adb, bindo-writers.adb, exp_dist.adb,
fmap.adb, fname-uf.adb, osint.adb: Fix various hash functions to
avoid assuming the various ranges are positive. Note that "mod"
returns a nonnegative result when the second operand is
positive. "rem" can return negative values in that case (in
particular, if the first operand is negative, which it now is).
* switch-c.adb: Allow switch -gnaten to control the value of
Nodes_Size_In_Meg.
* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
Remove traling whitespaces.
* opt.ads (Nodes_Size_In_Meg): New Variable.
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gcc/ada/
* exp_util.adb (Remove_Side_Effects): Always generate a renaming
that is handled by the front-end in the case of an indexed or a
selected component whose prefix has a nonstandard representation.
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gcc/ada/
* doc/gnat_rm/the_gnat_library.rst: Add Ada.Task_Initialization.
* gnat_rm.texi: Regenerate.
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gcc/ada/
* errout.adb: (Error_Msg-Internal): Pass the location for a line
insertion if any in the message.
(Output_Messages: Add display of source code lines if -gnatdF is
set.
(Write_Source_Code_Line): Code clean up.
* erroutc.adb (Prescan_Message): Apply prescan for continuation
lines when -gnatdF is set, and record presence of line
insertion.
* erroutc.ads (Has_Insertion_Line): New global for prescan.
(Error_Msg_Object): Add field to record line insertion if
present.
* errutil.adb (Error_Msg): Pass no location for Insertion_Sloc.
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gcc/ada/
* exp_ch5.adb (Expand_N_Case_Statement): Do not generate
validity check when possible.
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gcc/ada/
* exp_aggr.adb (Expand_Iterated_Component): Reorganize code to
ensure that Loop_Id is properly initialized on all paths, and
remove code duplication.
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gcc/ada/
* sem_ch3.adb (Analyze_Subtype_Declaration): Propagate predicate
function to full view of the created type as well, if it was
created.
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gcc/ada/
* exp_attr.adb (Expand_N_Attribute_Reference): Merge handling of
Simple_Storage_Pool and Storage_Pool.
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gcc/ada/
* aspects.ads: Introduce Subprogram_Variant aspect with the
following properties: GNAT-specific, with mandatory expression,
not a representation aspect, never delayed.
* contracts.adb (Expand_Subprogram_Contract): Mention new aspect
in the comment.
(Add_Contract_Item): Support addition of pragma
Subprogram_Variant to N_Contract node.
(Analyze_Entry_Or_Subprogram_Contract): Mention new aspect in
the comment; add pragma Subprogram_Variant to N_Contract node.
(Build_Postconditions_Procedure): Adapt call to
Insert_Before_First_Source_Declaration, which is now reused in
expansion of new aspect.
(Process_Contract_Cases_For): Also process Subprogram_Variant,
which is stored in N_Contract node together with Contract_Cases.
* contracts.ads (Analyze_Entry_Or_Subprogram_Contract): Mention
new aspect in the comment.
(Analyze_Entry_Or_Subprogram_Body_Contract): Likewise.
* einfo.adb (Get_Pragma): Support retrieval of new pragma.
* einfo.ads (Get_Pragma): Likewise.
* exp_ch6.adb (Check_Subprogram_Variant): New routine for
emitting call to check Subprogram_Variant expressions at run
time.
(Expand_Call_Helper): Check Subprogram_Variant expressions at
recursive calls.
* exp_prag.adb (Make_Op): Moved from expansion of pragma
Loop_Variant to Exp_Util, so it is now reused for expansion of
pragma Subprogram_Variant.
(Process_Variant): Adapt call to Make_Op after moving it to
Exp_Util.
(Expand_Pragma_Subprogram_Variant): New routine.
* exp_prag.ads (Expand_Pragma_Subprogram_Variant): Likewise.
* exp_util.adb (Make_Variant_Comparison): Moved from Exp_Prag
(see above).
* exp_util.ads (Make_Variant_Comparison): Likewise.
* inline.adb (Remove_Aspects_And_Pragmas): Handle aspect/pragma
Subprogram_Variant just like similar contracts.
* par-prag.adb (Prag): Likewise.
* sem.adb (Insert_Before_First_Source_Declaration): Moved from
Contracts (see above).
* sem.ads (Insert_Before_First_Source_Declaration): Likewise.
* sem_ch12.adb: Mention new aspect in the comment about
"Implementation of Generic Contracts", just like similar aspects
are mentioned there.
* sem_ch13.adb (Insert_Pragma): Mention new aspect in the
comment, because this routine is now used for Subprogram_Variant
just like for other similar aspects.
(Analyze_Aspect_Specifications): Mention new aspect in comments;
it is handled just like aspect Contract_Cases.
(Check_Aspect_At_Freeze_Point): Do not expect aspect
Subprogram_Variant just like we don't expect aspect
Contract_Cases.
* sem_prag.adb (Ensure_Aggregate_Form): Now also used for pragma
Subprogram_Variant, so update comment.
(Analyze_Pragma): Add initial checks for pragma
Subprogram_Variant.
(Analyze_Subprogram_Variant_In_Decl_Part): New routine with
secondary checks on the new pragma.
(Sig_Flags): Handle references within pragma Subprogram_Variant
expression just like references in similar pragma
Contract_Cases.
(Is_Valid_Assertion_Kind): Handle Subprogram_Variant just like
other similar contracts.
* sem_prag.ads (Analyze_Subprogram_Variant_In_Decl_Part): New
routine.
* sem_res.adb (Same_Or_Aliased_Subprograms): Moved to Sem_Util,
so it can be reused for detection of recursive calls where
Subprogram_Variant needs to be verified.
* sem_util.adb (Is_Subprogram_Contract_Annotation): Handle new
Subprogram_Variant annotation just like other similar
annotations.
(Same_Or_Aliased_Subprograms): Moved from Sem_Res (see above).
* sem_util.ads (Is_Subprogram_Contract_Annotation): Mention new
aspect in the comment.
(Same_Or_Aliased_Subprograms): Moved from Sem_Res (see above).
* sinfo.ads (N_Contract): Document handling of
Subprogram_Variant.
* snames.ads-tmpl: Add name for the internally generated
procedure with checks for Subprogram_Variant expression, name
for the new aspect and new pragma corresponding to aspect
Subprogram_Variant.
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gcc/ada/
* exp_util.ads: Reorder declaration.
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gcc/ada/
* par-ch4.adb: (P_Aggregate_Or_Paren_Expr): Recognize
Iterated_Element_Component.
(P_Iterated_Component_Association): Rebuild node as an Iterated_
Element_Association when Key_Expression is present, and attach
either the Loop_Parameter_Specification or the
Iterator_Specification to the new node.
* sem_aggr.adb: (Resolve_Container_Aggregate):
Resolve_Iterated_Association handles bota Iterated_Component_
and Iterated_Element_Associations, in which case it analyzes and
resoles the orresponding Key_Expression.
* exp_aggr.adb (Expand_Iterated_Component): If a Key_Expression
is present, use it as the required parameter in the call to the
insertion routine for the destination container aggregate. Call
this routine for both kinds of Iterated_Associations.
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gcc/ada/
* exp_ch4.adb (Expand_Concatenate): Enable needed range checks.
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gcc/ada/
* exp_ch6.adb (Make_Build_In_Place_Call_In_Object_Declaration):
Set the Warnings_Off flag on the pointer object used in the
expansion of iterators and similar.
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gcc/ada/
* Makefile.rtl (PowerPC/Linux): Use s-taspri__posix.ads instead
of s-taspri__posix-noaltstack.ads for s-taspri.ads.
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gcc/ada/
* sem_ch13.adb (Add_Call): Remove excessive condition and
unnecessary call to Set_Has_Predicates.
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gcc/ada/
* debug.adb: Use debug switch -gnatdF for this alternative
display of messages.
* errout.adb (Output_Messages): Alternative display when -gnatdF
is used.
* erroutc.adb (Output_Msg_Text): Likewise.
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gcc/ada/
* sem_ch6.adb (Check_Untagged_Equality): Check for AI12-0352.
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gcc/ada/
* exp_ch6.adb (Add_View_Conversion_Invariants): Do not insert
generated invariant checks when the call is a function call.
These tests are properly inserted in the code in procedure
Insert_Post_Call_Actions, which takes care of finding the proper
insertion point for the checks.
(Insert_Post_Call_Actions): Add question marks to indicate
possible gap in handling function calls that appear as aggregate
components.
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gcc/ada/
* contracts.adb (Process_Preconditions_For): Do not exclude
instances.
* sem_ch4.adb (Analyze_Quantified_Expression): Disable spurious
warning on internally generated variables.
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gcc/ada/
* debug.adb: Document -gnatd_c flag as being used for CUDA.
* gnat_cuda.ads: New file.
* gnat_cuda.adb: New file.
* rtsfind.ads: Add Interfaces_C_Strings package and
RE_Fatbin_Wrapper, RE_Register_Fat_Binary,
RE_Register_Fat_Binary_End, RE_Register_Function, RE_Chars_Ptr,
RE_New_Char_Array entities.
* rtsfind.adb: Create new Interfaces_C_Descendant subtype,
handle it.
* sem_ch7.adb (Analyze_Package_Body_Helper): Call CUDA init
procedure.
* sem_prag.adb (Analyze_Pragma): Call Add_Cuda_Kernel procedure.
* gcc-interface/Make-lang.in (GNAT_ADA_OBJS): Add gnat_cuda.o.
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gcc/ada/
* ghost.adb (Whole_Object_Ref): New function to compute the name
of the whole object.
(Mark_And_Set_Ghost_Assignment): Rewrite to use
Whole_Object_Ref. We need to partly analyze the left-hand side
in order to distinguish expanded names and record components.
* lib-xref.ads, lib-xref.adb (Deferred_References): Move table
to body, and add Defer_Reference to update the table, avoiding
duplicates.
(Generate_Reference): Avoid duplicates.
* sem_ch8.ads, sem_ch8.adb (Find_Direct_Name): Remove _OK
parameters, which are no longer needed. Ignore errors in
Ignore_Errors mode.
* sem_util.ads, sem_util.adb (Preanalyze_Without_Errors): Make
this public, so we can call it from Ghost.
* errout.ads, scng.adb, sem_prag.adb: Minor.
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gcc/ada/
* exp_attr.adb (Expand_N_Attribute_Reference): Check if type
depends on discriminant.
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gcc/ada/
* libgnat/a-coinve.adb, libgnat/a-cidlli.adb (Put_Image): Call
Iterate.
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gcc/ada/
* sem_aggr.adb (Resolve_Record_Aggregate): Properly apply
subtype constraints when using a Default_Value.
* freeze.adb: Fix typo.
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gcc/ada/
* sem_ch13.adb (Analyze_Aspect_Relaxed_Initialization): Fix bug
where a call to Error_Msg_N leads to crash due to
Error_Msg_Name_1 being removed by the call, while a subsequent
call to Error_Msg_N tries to use it. The variable
Error_Msg_Name_1 should be restored prior to the next call. Also
add checking for the new rules.
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gcc/ada/
* checks.adb (Apply_Type_Conversion_Checks): Minor code clean
up.
* exp_ch4.adb (Discrete_Range_Check): Optimize range checks.
Update comments.
(Expand_N_Type_Conversion): Generate range check when rewriting
a type conversion if needed. Add assertion.
* exp_ch6.adb (Expand_Simple_Function_Return): Minor code clean
up.
* sem_res.adb (Resolve_Type_Conversion): Apply range check when
needed. Update comments.
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gcc/ada/
* libgnat/a-textio.ads: Update top-level comment.
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gcc/ada/
* sem_prag.adb (Analyze_Contract_Cases_In_Decl_Part): Fix typo.
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gcc/ada/
* exp_ch6.adb (Expand_Actuals): Simplify condition for by-copy
types.
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gcc/ada/
* errout.ads: Add comment regarding lack of preservation of
Errout state across successive calls to the API.
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gcc/ada/
* exp_put_image.adb (Build_Elementary_Put_Image_Call): Use the
base type to recognize various cases of access types.
* libgnat/a-cbdlli.adb, libgnat/a-cbdlli.ads, libgnat/a-cbhama.adb,
libgnat/a-cbhama.ads, libgnat/a-cbhase.adb, libgnat/a-cbhase.ads,
libgnat/a-cbmutr.adb, libgnat/a-cbmutr.ads, libgnat/a-cborma.adb,
libgnat/a-cborma.ads, libgnat/a-cborse.adb, libgnat/a-cborse.ads,
libgnat/a-cdlili.adb, libgnat/a-cdlili.ads, libgnat/a-cidlli.adb,
libgnat/a-cidlli.ads, libgnat/a-cihama.adb, libgnat/a-cihama.ads,
libgnat/a-cihase.adb, libgnat/a-cihase.ads, libgnat/a-cimutr.adb,
libgnat/a-cimutr.ads, libgnat/a-ciorma.adb, libgnat/a-ciorma.ads,
libgnat/a-ciormu.adb, libgnat/a-ciormu.ads, libgnat/a-ciorse.adb,
libgnat/a-ciorse.ads, libgnat/a-coboho.adb, libgnat/a-coboho.ads,
libgnat/a-cobove.adb, libgnat/a-cobove.ads, libgnat/a-cohama.adb,
libgnat/a-cohama.ads, libgnat/a-cohase.adb, libgnat/a-cohase.ads,
libgnat/a-coinho.adb, libgnat/a-coinho.ads,
libgnat/a-coinho__shared.adb, libgnat/a-coinho__shared.ads,
libgnat/a-coinve.adb, libgnat/a-coinve.ads, libgnat/a-comutr.adb,
libgnat/a-comutr.ads, libgnat/a-coorma.adb, libgnat/a-coorma.ads,
libgnat/a-coormu.adb, libgnat/a-coormu.ads, libgnat/a-coorse.adb,
libgnat/a-coorse.ads, libgnat/a-strunb.adb, libgnat/a-strunb.ads,
libgnat/a-strunb__shared.adb, libgnat/a-strunb__shared.ads:
Implement Put_Image attibute.
* libgnat/a-stteou.ads, libgnat/s-putima.ads,
libgnat/a-stouut.ads, libgnat/a-stoubu.adb: Make
Ada.Strings.Text_Output, Ada.Strings.Text_Output.Utils, and
System.Put_Images Pure, so they can be with'ed by Pure units
that should have Put_Image defined.
* libgnat/a-stouut.adb: Add missing column adjustments, and
remove a redundant one.
* libgnat/s-putima.adb (Put_Arrow): New routine to print an
arrow. Avoids adding a with clause to some containers.
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gcc/ada/
* par-ch4.adb (P_Aggregate_Or_Paren_Expr): Require matching
parens or brackets.
* par.adb, par-tchk.adb (T_Right_Bracket): New procedure to give
an error on missing ].
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