Remove the XFAIL on arm in cunroll-15.c since the test passes on trunk.
Committed as obvious.

testsuite/
	* gcc.dg/tree-ssa/cunroll-15.c: Remove XFAIL on arm.

From-SVN: r273088

2019-07-04  Martin Liska  <mliska@suse.cz>

	* tree-ssa-loop-niter.c (get_upper_bound_based_on_builtin_expr_with_prob):
	New function.
	(estimate_numbers_of_iterations):
	Support __builtin_expect_with_probability for analysis
	of # of loop iterations.

From-SVN: r273087

gcc/jit/ChangeLog:
2019-07-04  Andrea Corallo <andrea.corallo@arm.com>

	* docs/topics/compatibility.rst (LIBGCCJIT_ABI_12): New ABI tag.
	* docs/topics/types.rst: Add gcc_jit_context_new_bitfield.
	* jit-common.h (namespace recording): Add class bitfield.
	* jit-playback.c:
	(DECL_C_BIT_FIELD, SET_DECL_C_BIT_FIELD): Add macros.
	(playback::context::new_bitfield): New method.
	(playback::compound_type::set_fields): Add bitfield support.
	(playback::lvalue::mark_addressable): Was jit_mark_addressable make this
	a method of lvalue plus return a bool to communicate success.
	(playback::lvalue::get_address): Check for jit_mark_addressable return
	value.
	* jit-playback.h (new_bitfield): New method.
	(class bitfield): New class.
	(class lvalue): Add jit_mark_addressable method.
	* jit-recording.c (recording::context::new_bitfield): New method.
	(recording::bitfield::replay_into): New method.
	(recording::bitfield::write_to_dump): Likewise.
	(recording::bitfield::make_debug_string): Likewise.
	(recording::bitfield::write_reproducer): Likewise.
	* jit-recording.h (class context): Add new_bitfield method.
	(class field): Make it derivable by class bitfield.
	(class bitfield): Add new class.
	* libgccjit++.h (class context): Add new_bitfield method.
	* libgccjit.c (struct gcc_jit_bitfield): New structure.
	(gcc_jit_context_new_bitfield): New function.
	* libgccjit.h
	(LIBGCCJIT_HAVE_gcc_jit_context_new_bitfield) New macro.
	(gcc_jit_context_new_bitfield): New function.
	* libgccjit.map (LIBGCCJIT_ABI_12) New ABI tag.

gcc/testsuite/ChangeLog:
2019-07-04  Andrea Corallo <andrea.corallo@arm.com>

	* jit.dg/all-non-failing-tests.h: Add test-accessing-bitfield.c.
	* jit.dg/test-accessing-bitfield.c: New testcase.
	* jit.dg/test-error-gcc_jit_context_new_bitfield-invalid-type.c:
	Likewise.
	* jit.dg/test-error-gcc_jit_context_new_bitfield-invalid-width.c:
	Likewise.
	* jit.dg/test-error-gcc_jit_lvalue_get_address-bitfield.c:
	Likewise.

From-SVN: r273086

I found GIMPLE_EH_ELSE offered exactly the semantics I needed for some
Ada changes yet to be contributed, but GIMPLE_EH_ELSE was only built
by GIMPLE passes, and I needed to build earlier something that
eventually became GIMPLE_EH_ELSE.

This patch does that, introducing an EH_ELSE_EXPR tree, and logic to
dump it and to gimplify it.


for  gcc/ChangeLog

	* doc/generic.texi (Cleanups): Document EH_ELSE_EXPR.
	* except.c: Likewise.
	* expr.c (expand_expr_real_1): Reject it.
	* gimplify.c (gimplify_expr): Gimplify it, within
	TRY_FINALLY_EXPR.
	* tree-dump.c (dequeue_and_dump): Dump it.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree.c (block_may_fallthru): Handle it.
	* tree.def (EH_ELSE_EXPR): Introduce it.
	* gimple-pretty-print.c (dump_gimple_try): Dump TRY_FINALLY
	with GIMPLE_EH_ELSE as try/finally/else.

From-SVN: r273084

re PR ipa/91062 (gcc.dg/ipa/ipa-pta-1.c dump contains garbage when gcc was configured with --enable-checking=all)

2019-07-04  Richard Biener  <rguenther@suse.de>

	PR ipa/91062
	* tree-pass.h (execute_all_ipa_transforms): Add a flag
	parameter whether to disable GC collection.
	* passes.c (execute_one_ipa_transform_pass): Likewise, and
	honor it.
	(execute_all_ipa_transforms): Likewise and pass it down.
	* cgraph.c (cgraph_node::get_body): Do not invoke garbage
	collection from applying IPA transforms.
	* cgraphunit.c (cgraph_node::expand): Allow garbage collection
	from applying IPA transforms.

From-SVN: r273083

2019-07-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90911
	* tree-vectorizer.h (_loop_vec_info::scalar_loop_scaling): New field.
	(LOOP_VINFO_SCALAR_LOOP_SCALING): new.
	* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
	scalar_loop_scaling.
	(vect_transform_loop): Scale scalar loop profile if needed.
	* tree-vect-loop-manip.c (vect_loop_versioning): When re-using
	the loop copy from if-conversion adjust edge probabilities
	and scale the vectorized loop body profile, queue the scalar
	profile for updating after peeling.

From-SVN: r273082

2019-07-04  James Clarke <jrtc27@debian.org>

        * libgnarl/s-osinte__kfreebsd-gnu.ads (clockid_t): Make type
        definition public.
        (CLOCK_REALTIME): Make value public.

From-SVN: r273080

tree-ssa-alias.c (decl_refs_may_alias_p): Add size1 and size2 parameters; return early for must-alias.


	* tree-ssa-alias.c (decl_refs_may_alias_p): Add size1 and size2
	parameters; return early for must-alias.
	(indirect_ref_may_alias_decl_p): Likewise; when establishing
	outer types match, try nonoverlapping_component_refs
	if must-alias is not obvious.
	(indirect_refs_may_alias_p): Likewise.
	(refs_may_alias_p_2): Likewise.

	* gcc.dg/tree-ssa/alias-access-path-3.c: New testcase.
	* gcc.dg/tree-ssa/alias-access-path-8.c: New testcase.

From-SVN: r273079

2019-07-04  Andrew Stubbs  <ams@codesourcery.com>

	gcc/cp/
	* cp-tree.h (cp_omp_emit_unmappable_type_notes): New prototype.
	* decl.c (cp_finish_decl): Call cp_omp_emit_unmappable_type_notes.
	* decl2.c (cp_omp_mappable_type): Move contents to ...
	(cp_omp_mappable_type_1):  ... here and add note output.
	(cp_omp_emit_unmappable_type_notes): New function.
	* semantics.c (finish_omp_clauses): Call
	cp_omp_emit_unmappable_type_notes in four places.

	gcc/testsuite/
	* g++.dg/gomp/unmappable-1.C: New file.

From-SVN: r273078

2019-07-04  Martin Liska  <mliska@suse.cz>

	PR lto/91078
	* lto-common.c (lto_file_finalize): Use memcpy to set
	file_data->lto_section_header.

From-SVN: r273077

The frontend reports spurious errors on C++ non-default constructors
that have formals whose type is an access to subprogram.

2019-07-04  Javier Miranda  <miranda@adacore.com>

gcc/ada/

	* exp_tss.adb (Init_Proc): Adding missing support for access to
	subprograms and access to protected subprograms of non-default
	C++ constructors.

gcc/testsuite/

	* gnat.dg/cpp_constructor.adb, gnat.dg/cpp_constructor_fp.ads,
	gnat.dg/cpp_constructor_useit.ads: New testcase.

From-SVN: r273072

This removes old code in the parser that serves no useful purpose and
fixes minor issues in the Validsw package.  No functional changes.

2019-07-04  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* gnat1drv.adb (Adjust_Global_Switches): Use proper interface to
	set the validity settings in CodePeer mode.
	* par-load.adb (Load): Remove all code dealing with validity
	settings.
	* validsw.ads (Validity_Check_Copies): Alphabetize.
	* validsw.adb (Reset_Validity_Check_Options): Set all options to
	off.
	(Save_Validity_Check_Options): Save all options.

From-SVN: r273071

2019-07-04  Hristian Kirtchev  <kirtchev@adacore.com>

gcc/ada/

	* exp_ch3.adb, exp_ch4.adb, exp_ch4.ads, exp_ch5.adb,
	exp_ch7.adb, exp_ch9.adb, exp_ch11.adb, exp_unst.adb,
	rtsfind.ads, sem_attr.adb, sem_ch10.adb, sem_ch12.adb,
	sem_ch13.adb, sem_dim.adb, sem_disp.adb, xref_lib.adb: Minor
	reformatting.

From-SVN: r273070

This patch is needed to check for the Ada RM C.7.1(15) rule in SPARK.

2019-07-04  Joffrey Huguet  <huguet@adacore.com>

gcc/ada/

	* libgnarl/a-taside.ads: Add assertion policy to ignore
	preconditions.
	(Abort_Task, Is_Terminated, Is_Callable): Add preconditions.

From-SVN: r273069

2019-07-04  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* doc/gnat_rm/implementation_defined_pragmas.rst: Fix
	capitalization and parenthesis glitches.
	* gnat_rm.texi: Regenerate.

From-SVN: r273068

This patch fixes a spurious error during the construction of an instance
body in the inlining phase of the frontend, when the package declaration
for the main unit has a limited_with_clause on some unit P, and the main
unit itself does not have a corresponding regular with_clause, but some
other unit in the context has with_clause that has compiled P.  P must
be removed from visibility to prevent conflicts with homonyms in the
generic body to be instantiated.

The following must compile quietly:

   gcc -c gpr2-project-view.adb

----
package GNATCOLL is
end GNATCOLL;
package GNATCOLL.Refcount is

   generic
      type Element_Type (<>) is private;
   package Shared_Pointers is
      type Ref is tagged private;

      type Element_Access is access all Element_Type;

      type Reference_Type (Element : access Element_Type)
         is limited null record;

      function Unchecked_Get (Self : Ref'Class) return Element_Access;

      function Get (Self : Ref'Class) return Reference_Type
         is ((Element => Unchecked_Get (Self)));
   private
      type Ref is tagged null record;
   end Shared_Pointers;

   type Refcounted is abstract tagged null record;

   generic
      type Encapsulated is abstract new Refcounted with private;
   package Smart_Pointers is
      type Encapsulated_Access is access all Encapsulated'Class;

      type Ref is tagged private;

      procedure Set (Self : in out Ref; Data : Encapsulated'Class);
      procedure Set (Self : in out Ref; Data : access Encapsulated'Class);
   private
      type Ref is tagged null record;
   end Smart_Pointers;

end GNATCOLL.Refcount;
----
package body GNATCOLL.Refcount is

   package body Shared_Pointers is

      function Unchecked_Get (Self : Ref'Class) return Element_Access is
      begin
         return null;
      end Unchecked_Get;

   end Shared_Pointers;

   package body Smart_Pointers is

      procedure Set (Self : in out Ref; Data : access Encapsulated'Class) is
      begin
         null;
      end Set;

      procedure Set (Self : in out Ref; Data : Encapsulated'Class) is
         Tmp : constant Encapsulated_Access := new Encapsulated'Class'(Data);
      begin
         Set (Self, Tmp);
      end Set;

   end Smart_Pointers;
end GNATCOLL.Refcount;
----
package GPR2 is
end GPR2;
----
package GPR2.Parser is
end GPR2.Parser;
----
with GPR_Parser.Analysis;
package GPR2.Parser.Project is
end GPR2.Parser.Project;
----
package GPR2.Project is
end GPR2.Project;
----
with GPR2.Parser.Project;
package GPR2.Project.Configuration is
end GPR2.Project.Configuration;
----
with GPR2.Project.Configuration;
with GPR2.Unit.Set;
package GPR2.Project.Definition is
end GPR2.Project.Definition;
----
limited with GPR2.Unit.Set;
package GPR2.Project.View is
   procedure Require_Body;
end GPR2.Project.View;
----
with GPR2.Project.Definition;
package body GPR2.Project.View is
   procedure Require_Body is null;
end GPR2.Project.View;
----
package GPR2.Unit is
end GPR2.Unit;

package GPR2.Unit.Set is
end GPR2.Unit.Set;
...
package GPR_Parser is
end GPR_Parser;
----
with GNATCOLL.Refcount;
package GPR_Parser.Analysis is

   type Unit_Provider_Interface is null record;

   package Unit_Provider_References is new GNATCOLL.Refcount.Shared_Pointers
     (Unit_Provider_Interface);

end GPR_Parser.Analysis;

2019-07-04  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_ch10.adb (Remove_Context_Clauses): Handle properly the
	removal of a limited_with_clause which appears in the library
	unit oF the main unit, when some other unit in the context has a
	regular with_clause on the same unit, to prevent spurious
	visibility errors in the subsequent analysis of pending instance
	bodies.

From-SVN: r273067

This patch modifies the timing of Sem_Elab's internal data structure
creation and destruction, and adds the concept of "active" elaboration
compiler phase.

The elaboration phase of the compiler is active after the frontend
initializes Sem_Elab. It is at this point that all internal data
structures of Sem_Elab are created and become ready to accept data.

The elaboration phase of the compiler is completed after all elaboration
scenarios are examined, all ABE checks are intalled, and diagnostics are
emitted. It is at this point that all internal data structures of
Sem_Elab are destroyed. Further attempts to reintroduce data into
Sem_Elab by subsequent compiler phases are cut off.

Compilation using GCC unaffected.

2019-07-04  Hristian Kirtchev  <kirtchev@adacore.com>

gcc/ada/

	* sem_elab.adb: Add new type Elaboration_Phase_Status along with
	a global to keep track of the elaboration phase status.
	Initialize all internal data structures to Nil for services
	Elaborated_Units, Internal_Representation, and Scenario_Storage.
	(Build_Call_Marker): Do not create a call marker when the
	elaboration phase is not active.
	(Build_Variable_Reference_Marker): Do not create a call marker
	when the elaboration phase is not active.
	(Check_Elaboration_Scenarios): Destroy all internal structures
	when the elaboration phase does not have to run. Do not execute
	when the elaboration phase is not active.
	(Elaboration_Phase_Active): New routine.
	(Finalize_All_Data_Structures): New routine.
	(Initialize): Initialize all internal data structures and signal
	that the elaboration phase has started.
	(Initialize_All_Data_Structures): New routine.
	(Initialize_Elaborated_Units): Initialize all internal data
	structures.
	(Initialize_Internal_Representation): Initialize all internal
	data structures.
	(Initialize_Scenario_Storage): Initialize all internal data
	structures.
	(Kill_Elaboration_Scenario): Do not execute when the elaboration
	phase is not active.
	(Set_Elaboration_Phase): New routine.
	(Update_Elaboration_Scenario): Do not execute when the
	elaboration phase is not active.

From-SVN: r273066

The compiler prematurely freezes a private type that is the type of a
formal parameter of an expression function declared within a nested,
inactivated Ghost package, resulting is an error complaining that the
private type must be fully defined at that point. This is fixed by
testing for Ignored_Ghost_Entity in the condition guarding the code that
performs Mask_Unfrozen_Types for an expression function without a
separate declaration, ensuring that the expression function's profile
isn't frozen prematurely.

2019-07-04  Gary Dismukes  <dismukes@adacore.com>

gcc/ada/

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): The special
	treatment of calling Mask_Unfrozen_Types must also be done in
	the case of an Ignored_Ghost_Entity, because Expander_Active is
	False in that case.

gcc/testsuite/

	* gnat.dg/ghost5.adb, gnat.dg/ghost5.ads,
	gnat.dg/ghost5_parent.ads: New testcase.

From-SVN: r273065

The rule on SPARK_Mode have been modified so that it is now possible to
have a subprogram or package declared with SPARK_Mode Off inside a
subprogram.

2019-07-04  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* sem_prag.adb (Check_Library_Level_Entity): Update for new rule
	on SPARK_Mode.

gcc/testsuite/

	* gnat.dg/spark3.adb: New testcase.

From-SVN: r273064

This patch fixes an issue whereby a check for competing controlling
formals led to a spurious dispatching error due to an incomplete type
being used within a subprogram specification.

2019-07-04  Justin Squirek  <squirek@adacore.com>

gcc/ada/

	* sem_disp.adb (Check_Controlling_Formals): Obtain the full view
	before type comparison.

gcc/testsuite/

	* gnat.dg/tagged2.adb, gnat.dg/tagged2.ads: New testcase.

From-SVN: r273063

This patch fixes an omission in the construction of equality routines
for variant records, to take into account user-defined equality
functions for components of the record. Previously the constructed
equality routine for variant records used the predefined equality for
all components, When composavility of equality was introduced for
untagged records, expansion of record equality was modified properly,
but not for the case of variant records, which use a different and more
complex process to build the equality function.

2019-07-04  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_ch4.ads, exp_ch4.adb (Build_Eq_Call): New visible
	subprogram, extracted from Expand_Composite_Equality, to handle
	properly the composition of equality for variant record types.
	* exp_ch3.adb (MAke_Eq_If): Use Build_Eq_Call for each
	component, to handle properly the case of a component with a
	user-defined equality. Revert to predefined equality if the
	user-defined operation is abstract, to maintain compatibility
	with older versions,

gcc/testsuite/

	* gnat.dg/equal6.adb, gnat.dg/equal6_types.adb,
	gnat.dg/equal6_types.ads: New testcase.

From-SVN: r273062

This patch fixes an issue whereby the use of an allocator with a
composite type containing null-excluding components may lead to a
compile time error due to incorrect code generation.

2019-07-04  Justin Squirek  <squirek@adacore.com>

gcc/ada/

	* exp_ch3.adb (Build_Initialization_Call): Fixup
	*_skip_null_excluding_check argument to handle new default.
	(Init_Formals): Make *_skip_null_excluding_check formal default
	to False
	* exp_ch4.adb (Expand_N_Allocator): Add comment to note heavy
	code duplication

gcc/testsuite/

	* gnat.dg/allocator.adb: New testcase.

From-SVN: r273061

2019-07-04  Bob Duff  <duff@adacore.com>

gcc/ada/

	* sem_ch3.adb (Access_Definition): Do not create a master unless
	Tasking_Allowed. Otherwise, this fails on restricted runtimes.

From-SVN: r273060

This patch prevents the association of a Default_Initial_Condition with
an incomplete type whose full view is the private type or private
extension subject to the aspect/pragma.

2019-07-04  Hristian Kirtchev  <kirtchev@adacore.com>

gcc/ada/

	* sem_util.adb (Propagate_DIC_Attributes): Do not propagate the
	Default_Initial_Condition attributes to an incomplete type.

gcc/testsuite/

	* gnat.dg/default_initial_condition.adb,
	gnat.dg/default_initial_condition_pack.adb,
	gnat.dg/default_initial_condition_pack.ads: New testcase.

From-SVN: r273059

This patch fixes a spurious error on an attribute reference within an
aspect specification for an unconstrained array type when the
corresponding type  declaration appears within a generic unit.

2019-07-04  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_attr.adb (Check_Array_Type): An array type attribute such
	as 'First can be applied to an unconstrained array tyope when
	the attribute reference appears within an aspect specification
	and the prefix is a current instance, given that the prefix of
	the attribute will become a formal of the subprogram that
	implements the aspect (typically a predicate check).

gcc/testsuite/

	* gnat.dg/aspect2.adb, gnat.dg/aspect2.ads: New testcase.

From-SVN: r273058

2019-07-04  Piotr Trojanek  <trojanek@adacore.com>

gcc/ada/

	* sem_util.adb (Yields_Synchronized_Object): Fix typos in
	comments.

From-SVN: r273057

The definition of what types yield synchronized objected in SPARK has
been updated to see through the privacy boundary.

2019-07-04  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* sem_util.adb (Yields_Synchronized_Object): Adapt to new SPARK
	rule.

gcc/testsuite/

	* gnat.dg/synchronized2.adb, gnat.dg/synchronized2.ads,
	gnat.dg/synchronized2_pkg.ads: New testcase.

From-SVN: r273056

Analysis could crash on extended return of a non-deep type, now fixed.
This has no impact on compilation.

2019-07-04  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* sem_spark.adb (Check_Statement): Only check permission of
	object in extended return when it is of a deep type.

From-SVN: r273055

This patch fixes an issue whereby instantiation of a generic at the
library-level may cause a hang or crash during compilation due to
inappropriate expansion of generic actuals.

2019-07-04  Justin Squirek  <squirek@adacore.com>

gcc/ada/

	* sem_ch12.adb (Perform_Appropriate_Analysis): Added for
	selecting which type of analysis based on wheither the
	instantiation is a generic at the library-level. In which case
	expansion during analysis.
	(Preanalyze_Actuals): Modify calls to Analyze to use the new
	routine.

gcc/testsuite/

	* gnat.dg/generic_inst4.adb, gnat.dg/generic_inst4_gen.ads,
	gnat.dg/generic_inst4_inst.ads, gnat.dg/generic_inst4_typ.ads:
	New testcase.

From-SVN: r273054

2019-07-04  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_unst.adb: Handle conditional expressions.

From-SVN: r273053

Ownership rules for pointer support should only apply to code marked in
SPARK. There is no impact on compilation.

2019-07-04  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* sem_spark.adb (Check_Package_Spec, Check_Package_Body): Only
	analyze parts of the code marked in SPARK.

From-SVN: r273052

2019-07-04  Hristian Kirtchev  <kirtchev@adacore.com>

gcc/ada/

	* erroutc.adb, exp_aggr.adb, inline.adb, opt.adb, sem_ch3.adb:
	Minor reformatting.

From-SVN: r273051

When SPARK code does not follow the ownership rules of SPARK RM 3.10,
the error message now points to a location explaining why the object has
a more restricted permission than the expected one.

There is no impact on compilation.

2019-07-04  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* sem_spark.adb (Explanation, Get_Expl): New functions to get
	the explanation for a permission mismatch.
	(Perm_Error, Perm_Mismatch, Perm_Error_Loop_Exit): Take
	explanation into account for issuing a more precise error
	message.
	(Set_Perm_Prefixes, Set_Perm_Extensions,
	Set_Perm_Extensions_Move): Pass suitable argument for the
	explanation node.

From-SVN: r273050

2019-07-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* exp_aggr.adb (In_Place_Assign_OK): Moved to top level and add
	support for record aggregates.
	(Component_Check): Use Is_CCG_Supported_Aggregate instead of a
	similar local predicate.
	(Convert_To_Assignments): Take advantage of In_Place_Assign_OK
	predicate when possible.
	(Is_CCG_Supported_Aggregate): Return False for records with
	representation clauses and fix the logic for dealing with nested
	aggregates.

From-SVN: r273049

In GNATprove mode the assertion policy is now always enabled, even when
analysing internal units. Otherwise, assertion expressions (e.g.
Default_Initial_Condition) in internal units (e.g. Ada.Text_IO)
disappear in the semantic analysis phase of the frontend and the
GNATprove backend can't see them.

No frontend test provided, because only the GNATprove backend is
affected (and there appear to be no difference in the output with -gnatG
switch, because the expansion of Default_Initial_Condition is not
attached to the AST).

2019-07-04  Piotr Trojanek  <trojanek@adacore.com>

gcc/ada/

	* opt.adb (Set_Config_Switches): Keep assertions policy as
	enabled when analysing internal units in GNATprove mode.

From-SVN: r273048

2019-07-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* exp_ch4.adb (Expand_Short_Circuit_Operator): Strip
	N_Variable_Reference_Marker when checking for the presence of
	actions.

From-SVN: r273047

2019-07-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* exp_aggr.adb (Check_Component): Take into account type
	conversions.

From-SVN: r273046

2019-07-04  Dmitriy Anisimkov  <anisimko@adacore.com>

gcc/ada/

	* doc/gnat_ugn/platform_specific_information.rst: Document
	Windows socket timeout particularity.
	* gnat_ugn.texi: Regenerate.
	* gsocket.h: Include versionhelpers.h.
	* socket.c (__gnat_minus_500ms): New function.
	* libgnat/g-sothco.ads (Minus_500ms_Windows_Timeout): New
	imported function.
	* libgnat/g-socket.adb (Set_Socket_Option): Refactor to remove
	500ms from the requested timeout only on old Windows version.

From-SVN: r273045

The nonsensical snippet was found by Codepeer. No behavior change.

2019-07-04  Thomas Quinot  <quinot@adacore.com>

gcc/ada/

	* get_scos.adb: Remove bogus, dead code.

From-SVN: r273044

This patch fixes a spurious dimensionality error on an array aggregate
with a single "others' clause whose expression is a dimensioned entity,
The expansion of the aggregate may create copies of the expression, and
the dimensionality check must use the type of the expression to retrieve
the proper dimension information to check against the dimensions of the
array component type.

2019-07-04  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_dim.adb (Analyze_Dimension_Array_Aggregate): If the
	component is an entity name, its dimensions are those of its
	type.

gcc/testsuite/

	* gnat.dg/dimensions2.adb, gnat.dg/dimensions2_phys.ads,
	gnat.dg/dimensions2_real_numbers.ads: New testcase.

From-SVN: r273043