[Ada] Update the documentation in checks.ads about range checks

2020-06-04  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* checks.ads: Update documentation about range checks and fix
minor other things.

[Ada] Small tweak to special handling of private index types

2020-06-04  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* sem_ch3.adb (Array_Type_Declaration): Apply special handling
of private index types to generic packages and restrict it to
index types defined in the current scope.

[Ada] New procedure Register_Global_Unhandled_Action

2020-06-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* libgnat/a-exextr.adb (Global_Unhandled_Action): New global
variable.
(Notify_Exception): Take into account Global_Unhandled_Action
and fix latent race condition.
(Exception_Action): Mark Favor_Top_Level so that variables can
be atomic.
(Global_Action): Mark atomic to remove the need for a lock.
* libgnat/g-excact.ads, libgnat/g-excact.adb
(Register_Global_Unhandled_Action): New procedure.
(Register_Global_Action): Remove lock.
* libgnat/s-stalib.ads (Raise_Action): Mark Favor_Top_Level to
be compatible with Exception_Action.
* sem_warn.adb (Warn_On_Unreferenced_Entity): Fix logic wrt
Volatile entities and entities with an address clause: the code
did not match the comment/intent.

[Ada] Update URL and bug report instructions

2020-06-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* comperr.adb (Compiler_Abort): Update URL and bug report
instructions.

[Ada] Avoid buffer overflow in Long_Long_Float_Text_IO

2020-06-04  Steve Baird  <baird@adacore.com>

gcc/ada/

* libgnat/s-imgrea.ads: Declare a named number
Max_Real_Image_Length with value 5200.  Provide a comment
explaining why this value was chosen.
* libgnat/s-imgrea.adb (Set_Image_Real): Increase the upper
bound of the local String variable Digs to
Max_Real_Image_Length.
* libgnat/a-tiflau.adb (Put): Increase the upper bound of the
local String variable Buf to Max_Real_Image_Length.
(Puts): Increase the upper bound of the local String variable
Buf to Max_Real_Image_Length.

[Ada] Remove System.Parameters.Single_Lock

2020-06-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* libgnarl/a-dynpri.adb, libgnarl/a-taside.adb,
libgnarl/a-taster.adb, libgnarl/s-interr.adb,
libgnarl/s-interr__sigaction.adb, libgnarl/s-taasde.adb,
libgnarl/s-taenca.adb, libgnarl/s-taenca.ads,
libgnarl/s-taprop.ads, libgnarl/s-taprop__hpux-dce.adb,
libgnarl/s-taprop__linux.adb, libgnarl/s-taprop__mingw.adb,
libgnarl/s-taprop__posix.adb, libgnarl/s-taprop__qnx.adb,
libgnarl/s-taprop__solaris.adb, libgnarl/s-taprop__vxworks.adb,
libgnarl/s-tarest.adb, libgnarl/s-tasini.adb,
libgnarl/s-tasque.adb, libgnarl/s-tasque.ads,
libgnarl/s-tasren.adb, libgnarl/s-tasren.ads,
libgnarl/s-tassta.adb, libgnarl/s-tasuti.adb,
libgnarl/s-tasuti.ads, libgnarl/s-tpoben.adb,
libgnarl/s-tpobop.adb, libgnarl/s-tpopmo.adb,
libgnarl/s-tposen.adb, libgnat/s-parame.ads,
libgnat/s-parame__ae653.ads, libgnat/s-parame__hpux.ads,
libgnat/s-parame__vxworks.ads: Remove references to Single_Lock
and Global_Lock.

[Ada] Continuation of "Get rid of more references to Universal_Integer"

2020-06-04  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* libgnat/s-atopar.adb, libgnat/s-atopex.adb: Use Object_Size
instead of Size, otherwise many derived types will be rejected
(e.g. a type with a 14 bits 'Size and a 16 bits 'Object_Size).

[Ada] Add another ad-hoc case to the Has_Private_View mechanism

2020-06-04  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* sem_ch12.adb (Copy_Generic_Node): Add special handling for a
conversion between access types.

[Ada] Fix fallout of cleanup to Has_Private_View mechanism

2020-06-04  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* sem_ch12.adb (Check_Generic_Actuals): Also restore the proper
views of the actuals of the parent instances if the formals are
used as actuals of the children.
(Instantiate_Type): Add comment.

[Ada] Minor editorial fixes

2020-06-04  Gary Dismukes  <dismukes@adacore.com>

gcc/ada/

* sem_ch12.adb: Minor editorial fixes.

cselim: Extend to check non-trapping for more references [PR89430]

If there is a dominating store, a store to the same reference can not be
trapped.  But previously, it only supports such check on MEM_REFs.
So this patch extends it to support ARRAY_REFs and COMPONENT_REFs.

This patch also supports a special case: if there is a dominating load of
local variable without address escape, a store is not trapped, as local
stack is always writable.  Other loads are ignored for simplicity, as they
don't help to check if a store can be trapped (the memory may be read-only).

gcc/ChangeLog:

PR tree-optimization/89430
* tree-ssa-phiopt.c
(struct name_to_bb): Rename to ref_to_bb; add a new field exp;
remove ssa_name_ver, store, offset fields.
(struct ssa_names_hasher): Rename to refs_hasher; update functions.
(class nontrapping_dom_walker): Rename m_seen_ssa_names to m_seen_refs.
(nontrapping_dom_walker::add_or_mark_expr): Extend to support ARRAY_REFs
and COMPONENT_REFs.

gcc/testsuite/ChangeLog:

PR tree-optimization/89430
* gcc.dg/tree-ssa/pr89430-1.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-2.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-5.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-6.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-7-comp-ref.c: New test.
* gcc.dg/tree-ssa/pr89430-8-mem-ref-size.c: New test.
* gcc.dg/tree-ssa/ssa-pre-17.c: Add -fno-tree-cselim.

Fix missing assemble_external in ASM_OUTPUT_FDESC

When TARGET_VTABLE_USES_DESCRIPTORS is defined then function pointers in
the vtable are output by ASM_OUTPUT_FDESC.  The only current user of
this is ia64, but its implementation of ASM_OUTPUT_FDESC lacks a call to
assemble_external.  Thus if there is no other reference to the function
the weak declaration for it will be missing.

PR target/95154
* config/ia64/ia64.h (ASM_OUTPUT_FDESC): Call assemble_external.

Missing __divtf3@@GCC_4.4.0 on ia64

gcc/testsuite/
PR libfortran/59227
* gfortran.dg/erf_3.F90: Remove XFAIL on ia64-*-linux*.

libgcc/
PR target/59230
PR libfortran/59227
* config/ia64/t-softfp-compat (softfp_file_list): Filter out
soft-fp/divtf3.c.
(LIB2ADD): Add config/ia64/divtf3.c.
* config/ia64/divtf3.c: New file.

Fix uppercase in trunc<mode><pmov_dst_3>2.

2020-06-04  Hongtao.liu  <hongtao.liu@intel.com>

gcc/ChangeLog:
* config/i386/sse.md (pmov_dst_3_lower): New mode attribute.
(trunc<mode><pmov_dst_3_lower>2): Refine from
trunc<mode><pmov_dst_3>2.

gcc/testsuite
* gcc.target/i386/pr92658-avx512bw-trunc.c: Adjust testcase.

c++: Reject some further reinterpret casts in constexpr [PR82304, PR95307]

cxx_eval_outermost_constant_expr had a check for reinterpret_casts from
pointers (well, it checked from ADDR_EXPRs) to integral type, but that
only caught such cases at the toplevel of expressions.
As the comment said, it should be done even inside of the expressions,
but at the point of the writing e.g. pointer differences used to be a
problem.  We now have POINTER_DIFF_EXPR, so this is no longer an issue.

Had to do it just for CONVERT_EXPR, because the FE emits NOP_EXPR casts
from pointers to integrals in various spots, e.g. for the PMR & 1 tests,
though on NOP_EXPR we have the REINTERPRET_CAST_P bit that we do check,
while on CONVERT_EXPR we don't.

2020-06-04  Jakub Jelinek  <jakub@redhat.com>

PR c++/82304
PR c++/95307
* constexpr.c (cxx_eval_constant_expression): Diagnose CONVERT_EXPR
conversions from pointer types to arithmetic types here...
(cxx_eval_outermost_constant_expr): ... instead of here.

* g++.dg/template/pr79650.C: Expect different diagnostics and expect
it on all lines that do pointer to integer casts.
* g++.dg/cpp1y/constexpr-shift1.C: Expect different diagnostics.
* g++.dg/cpp1y/constexpr-82304.C: New test.
* g++.dg/cpp0x/constexpr-95307.C: New test.

Daily bump.

Provide diagnostic hints for missing C++ cinttypes string constants.

When reporting an error in cp_parser and we notice a string literal
followed by an unknown name check whether there is a known standard
header containing a string macro with the same name, then add a hint
to the error message to include that header.

gcc/c-family/ChangeLog:

* known-headers.cc (get_cp_stdlib_header_for_string_macro_name):
New function.
* known-headers.h (get_cp_stdlib_header_for_string_macro_name):
New function declaration.

gcc/cp/ChangeLog:

* parser.c (cp_lexer_safe_previous_token): New function.
(cp_parser_error_1): Add name_hint if the previous token is
a string literal and next token is a CPP_NAME and we have a
missing header suggestion for the name.

gcc/testsuite/ChangeLog:

* g++.dg/spellcheck-inttypes.C: Add string-literal testcases.

Provide diagnostic hints for missing C inttypes.h string constants.

This adds a flag to c_parser so we know when we were trying to
construct a string literal. If there is a parse error and we were
constructing a string literal, and the next token is an unknown
identifier name, and we know there is a standard header that defines
that name as a string literal, then add a missing header hint to
the error messsage.

The list of macro names are also used when providing a hint for
missing identifiers.

gcc/c-family/ChangeLog:

* known-headers.cc (get_string_macro_hint): New function.
(get_stdlib_header_for_name): Use get_string_macro_hint.
(get_c_stdlib_header_for_string_macro_name): New function.
* known-headers.h (get_c_stdlib_header_for_string_macro_name):
New function declaration.

gcc/c/ChangeLog:

* c-parser.c (struct c_parser): Add seen_string_literal
bitfield.
(c_parser_consume_token): Reset seen_string_literal.
(c_parser_error_richloc): Add name_hint if seen_string_literal
and next token is a CPP_NAME and we have a missing header
suggestion for the name.
(c_parser_string_literal): Set seen_string_literal.

gcc/testsuite/ChangeLog:

* gcc.dg/spellcheck-inttypes.c: New test.
* g++.dg/spellcheck-inttypes.C: Likewise.

diagnostics: Add function call parens matching to c_parser.

The C++ parser already tracks function call parens matching, but the C
parser doesn't. This adds the same functionality to the C parser and adds
a testcase showing the C++ and C parser matching function call parens
in an error message.

gcc/c/ChangeLog:

* c-parser.c (c_parser_postfix_expression_after_primary): Add
scope with matching_parens after CPP_OPEN_PAREN.

gcc/testsuite/ChangeLog:

* c-c++-common/missing-close-func-paren.c: New test.

optimize tanh(x) / sinh (x) to 1/ cosh (x)

gcc/
* match.pd (tanh/sinh -> 1/cosh): New simplification.

gcc/testsuite

* gcc.dg/tanhbysinh.c: New testcase.

Update gcc sv.po.

* sv.po: Update.

identify lfs prefixed case PR95347

The same problem also arises for plfs where prefixed_load_p()
doesn't recognize it so we get just lfs in the asm output
with an @pcrel address.

PR target/95347
* config/rs6000/rs6000.c (is_stfs_insn): Rename to
is_lfs_stfs_insn and make it recognize lfs as well.
(prefixed_store_p): Use is_lfs_stfs_insn().
(prefixed_load_p): Use is_lfs_stfs_insn() to recognize lfs.

c++: more constrained nested partial specialization

When checking that a constrained partial specialization is more
constrained than the primary template, we pass only the innermost level
of generic template arguments to strictly_subsumes.  This leads to us
doing a nonsensical substitution from normalize_concept_check if the
full set of template arguments has multiple levels, and it ultimately
causes strictly_subsumes to sometimes erroneously return false as in the
testcase below.

gcc/cp/ChangeLog:

* pt.c (process_partial_specialization): Pass the full set of
generic template arguments to strictly_subsumes.

gcc/testsuite/ChangeLog:

* g++.dg/cpp2a/concepts-partial-spec8.C: New test.

c++: constrained nested partial specialization [PR92103]

When determining the most specialized partial specialization of a
primary template that is nested inside a class template, we first
tsubst the outer template arguments into the TEMPLATE_DECL of each
partial specialization, and then check for satisfaction of each of the
new TEMPLATE_DECL's constraints.

But tsubst_template_decl does not currently guarantee that constraints
from the original DECL_TEMPLATE_RESULT get reattached to the new
DECL_TEMPLATE_RESULT.  In the testcase below, this leads to the
constraints_satisfied_p check in most_specialized_partial_spec to
trivially return true for each of the partial specializations.

I'm not sure if such a guarantee would be desirable, but in this case we
can just check constraints_satisfied_p on the original TEMPLATE_DECL
instead of on the tsubsted TEMPLATE_DECL here, which is what this patch
does (alongside some reorganizing).

gcc/cp/ChangeLog:

PR c++/92103
* pt.c (most_specialized_partial_spec): Reorganize the loop over
DECL_TEMPLATE_SPECIALIZATIONS.  Check constraints_satisfied_p on
the original template declaration, not on the tsubsted one.

gcc/testsuite/ChangeLog:

PR c++/92103
* g++.dg/cpp2a/concepts-partial-spec7.C: New test.

Optimize ODR enum streaming

it turns out that half of the global decl stream of cc1 LTO build consits
TREE_LISTS, identifiers and integer cosntats representing TYPE_VALUES of enums.
Those are streamed only to produce ODR warning and used otherwise, so this
patch moves the info to a separate section that is represented and streamed
more effectively.

This also adds place for more info that may be used for ODR diagnostics
(i.e. at the moment we do not warn when the declarations differs i.e. by the
associated member functions and their types) and the type inheritance graph
rather then poluting the global stream.

I was bit unsure what enums we want to store into the section.  All parsed
enums is probably too expensive, only those enums streamed to represent IL is
bit hard to get, so I went for those seen by free lang data.

As a plus we now get bit more precise warning because also the location of
mismatched enum CONST_DECL is streamed.

It changes:
[WPA] read 4608466 unshared trees
[WPA] read 2942094 mergeable SCCs of average size 1.365328
[WPA] 8625389 tree bodies read in total
[WPA] tree SCC table: size 524287, 247652 elements, collision ratio: 0.383702
[WPA] tree SCC max chain length 2 (size 1)
[WPA] Compared 2694442 SCCs, 228 collisions (0.000085)
[WPA] Merged 2694419 SCCs
[WPA] Merged 3731982 tree bodies
[WPA] Merged 633335 types
[WPA] 122077 types prevailed (155548 associated trees)
...
[WPA] Compression: 110593119 input bytes, 287696614 uncompressed bytes (ratio: 2.601397)
[WPA] Size of mmap'd section decls: 85628556 bytes
[WPA] Size of mmap'd section function_body: 13842928 bytes

[WPA] read 1720989 unshared trees
[WPA] read 1252217 mergeable SCCs of average size 1.858507
[WPA] 4048243 tree bodies read in total
[WPA] tree SCC table: size 524287, 226524 elements, collision ratio: 0.491759
[WPA] tree SCC max chain length 2 (size 1)
[WPA] Compared 1025693 SCCs, 196 collisions (0.000191)
[WPA] Merged 1025670 SCCs
[WPA] Merged 2063373 tree bodies
[WPA] Merged 633497 types
[WPA] 122299 types prevailed (155827 associated trees)
...
[WPA] Compression: 103428770 input bytes, 281151423 uncompressed bytes (ratio: 2.718310)
[WPA] Size of mmap'd section decls: 49390917 bytes
[WPA] Size of mmap'd section function_body: 13858258 bytes
...
[WPA] Size of mmap'd section odr_types: 29054816 bytes

So number of SCCs streamed drops to 38% and the number of unshared trees (that
are bit misnamed since it is mostly integer_cst) to 37%.

Things speeds up correspondingly, but I did not save time report from previous
build.

The enum values are still quite surprisingly large.  I may take a look into
ways getting it smaller incrementally, but it streams reasonably fast:

Time variable                                   usr           sys          wall               GGC
 phase opt and generate             :  25.20 ( 68%)  10.88 ( 72%)  36.13 ( 69%)  868060 kB ( 52%)
 phase stream in                    :   4.46 ( 12%)   0.90 (  6%)   5.38 ( 10%)  790724 kB ( 48%)
 phase stream out                   :   6.69 ( 18%)   3.32 ( 22%)  10.03 ( 19%)       8 kB (  0%)
 ipa lto gimple in                  :   0.79 (  2%)   1.86 ( 12%)   2.39 (  5%)  252612 kB ( 15%)
 ipa lto gimple out                 :   2.48 (  7%)   0.78 (  5%)   3.26 (  6%)       0 kB (  0%)
 ipa lto decl in                    :   1.71 (  5%)   0.46 (  3%)   2.34 (  4%)  417883 kB ( 25%)
 ipa lto decl out                   :   3.28 (  9%)   0.07 (  0%)   3.27 (  6%)       0 kB (  0%)
 whopr wpa I/O                      :   0.40 (  1%)   2.24 ( 15%)   2.77 (  5%)       8 kB (  0%)
 lto stream decompression           :   1.38 (  4%)   0.31 (  2%)   1.36 (  3%)       0 kB (  0%)
 ipa ODR types                      :   0.18 (  0%)   0.02 (  0%)   0.25 (  0%)       0 kB (  0%)
 ipa inlining heuristics            :  11.64 ( 31%)   1.45 ( 10%)  13.12 ( 25%)  453160 kB ( 27%)
 ipa pure const                     :   1.74 (  5%)   0.00 (  0%)   1.76 (  3%)       0 kB (  0%)
 ipa icf                            :   1.72 (  5%)   5.33 ( 35%)   7.06 ( 13%)   16593 kB (  1%)
 whopr partitioning                 :   2.22 (  6%)   0.01 (  0%)   2.23 (  4%)    5689 kB (  0%)
 TOTAL                              :  37.17         15.20         52.46        1660886 kB

LTO-bootstrapped/regtested x86_64-linux, will comit it shortly.

gcc/ChangeLog:

2020-06-03  Jan Hubicka  <hubicka@ucw.cz>

* ipa-devirt.c: Include data-streamer.h, lto-streamer.h and
streamer-hooks.h.
(odr_enums): New static var.
(struct odr_enum_val): New struct.
(class odr_enum): New struct.
(odr_enum_map): New hashtable.
(odr_types_equivalent_p): Drop code testing TYPE_VALUES.
(add_type_duplicate): Likewise.
(free_odr_warning_data): Do not free TYPE_VALUES.
(register_odr_enum): New function.
(ipa_odr_summary_write): New function.
(ipa_odr_read_section): New function.
(ipa_odr_summary_read): New function.
(class pass_ipa_odr): New pass.
(make_pass_ipa_odr): New function.
* ipa-utils.h (register_odr_enum): Declare.
* lto-section-in.c: (lto_section_name): Add odr_types section.
* lto-streamer.h (enum lto_section_type): Add odr_types section.
* passes.def: Add odr_types pass.
* lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream
TYPE_VALUES.
(hash_tree): Likewise.
* tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
Likewise.
* tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
Likewise.
* timevar.def (TV_IPA_ODR): New timervar.
* tree-pass.h (make_pass_ipa_odr): Declare.
* tree.c (free_lang_data_in_type): Regiser ODR types.

gcc/lto/ChangeLog:

2020-06-03  Jan Hubicka  <hubicka@ucw.cz>

* lto-common.c (compare_tree_sccs_1): Do not compare TYPE_VALUES.

gcc/testsuite/ChangeLog:

2020-06-03  Jan Hubicka  <hubicka@ucw.cz>

* g++.dg/lto/pr84805_0.C: Update.

coroutines: Allow parameter packs in co_await/yield expressions [PR95345]

This corrects a pasto, where I copied the constraint on bare
parameter packs from the co_return to co_yield/await without
properly reviewing it.

gcc/cp/ChangeLog:

PR c++/95345
* coroutines.cc (finish_co_await_expr): Revise to allow for
parameter packs.
(finish_co_yield_expr): Likewise.

gcc/testsuite/ChangeLog:

PR c++/95345
* g++.dg/coroutines/pr95345.C: New test.

Fix missing dependencies for selftests which occasionally causes failed builds.

gcc/

* Makefile.in (SELFTEST_DEPS): Move before including language makefile
fragments.

c++: Fix VLA in template [PR95232]

In a non-template, grokdeclarator notices when we build a pointer to a
variably-modified type, and inserts a TYPE_DECL to make sure that type gets
gimplified.  But in a template we can't always recognize a variably-modified
type, so we need to deal with it at instantiation time.

gcc/cp/ChangeLog:

PR c++/95232
* cp-tree.h (predeclare_vla): Declare.
* cp-gimplify.c (predeclare_vla): Handle getting a decl.
* pt.c (tsubst_expr) [DECL_EXPR]: Use it.

gcc/testsuite/ChangeLog:

PR c++/95232
* g++.dg/ubsan/vla-2.C: New test.

Simple patch only add assumed-rank to the list of possible attributes.

gcc/fortran/ChangeLog:

2020-06-03  José Rui Faustino de Sousa  <jrfsousa@gmail.com>

PR fortran/95214
PR fortran/66833
PR fortran/67938
* trans-expr.c (gfc_maybe_dereference_var): Add assumed-rank to
character dummy arguments list of possible attributes.

gcc/testsuite/ChangeLog:

2020-06-03  José Rui Faustino de Sousa  <jrfsousa@gmail.com>

PR fortran/95214
PR fortran/66833
PR fortran/67938
* gfortran.dg/PR95214.f90: New test.

tree-optimization/95487 - use a truth type for scatter masks

This makes sure to get a truth type for scatter masks even when they
are invariant.

2020-06-03  Richard Biener  <rguenther@suse.de>

PR tree-optimization/95487
* tree-vect-stmts.c (vectorizable_store): Use a truth type
for the scatter mask.

* g++.dg/vect/pr95487.cc: New testcase.

jit: implement BT_CONST_VOLATILE_PTR [PR 95306]

gcc/jit/ChangeLog:
PR jit/95306
* jit-builtins.c (builtins_manager::make_primitive_type):
Implement BT_CONST_VOLATILE_PTR.

gcc/testsuite/ChangeLog:
PR jit/95306
* jit.dg/test-pr95306-builtin-types.c (create_code): Add
test of getting __atomic_load.

tree-optimization/95495 - use SLP_TREE_REPRESENTATIVE in assertion

This fixes a place where I missed to use SLP_TREE_REPRESENTATIVE
after its introduction.

2020-06-03  Richard Biener  <rguenther@suse.de>

PR tree-optimization/95495
* tree-vect-slp.c (vect_slp_analyze_node_operations): Use
SLP_TREE_REPRESENTATIVE in the shift assertion.

* gcc.dg/vect/pr95495.c: New testcase.

Prefer simple case changes in spelling suggestions

I got this error message when editing gcc and recompiling:

../../gcc/gcc/ada/gcc-interface/decl.c:7714:39: error: ‘DWARF_GNAT_ENCODINGS_all’ was not declared in this scope; did you mean ‘DWARF_GNAT_ENCODINGS_GDB’?
 7714 |     = debug_info && gnat_encodings == DWARF_GNAT_ENCODINGS_all;
      |                                       ^~~~~~~~~~~~~~~~~~~~~~~~
      |                                       DWARF_GNAT_ENCODINGS_GDB

This suggestion could be improved -- what happened here is that I
failed to upper-case the word, and DWARF_GNAT_ENCODINGS_ALL was the
correct spelling.

This patch changes gcc's spell checker to prefer simple case changes
when possible.

I tested this using the self-tests.  A new self-test is also included.

gcc/ChangeLog:

* spellcheck.c (CASE_COST): New define.
(BASE_COST): New define.
(get_edit_distance): Recognize case changes.
(get_edit_distance_cutoff): Update.
(test_edit_distances): Update.
(get_old_cutoff): Update.
(test_find_closest_string): Add case sensitivity test.

simplify visited flag unsetting in SLP scalar cost computation

This changes the loop over all stmts to a loop over all costed stmts.

2020-06-03  Richard Biener  <rguenther@suse.de>

* tree-vect-slp.c (vect_bb_vectorization_profitable_p): Loop over
the cost vector to unset the visited flag on stmts.

[OpenMP] Fix mapping of artificial variables (PR94874)

gcc/c-family/ChangeLog:

* c-common.h (c_omp_predetermined_mapping): Declare.
* c-omp.c (c_omp_predetermined_mapping): New.

gcc/c/ChangeLog:

* c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Redefine.

gcc/cp/ChangeLog:

* cp-gimplify.c (cxx_omp_predetermined_mapping): New.
* cp-objcp-common.h (LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Redfine.
* cp-tree.h (cxx_omp_predetermined_mapping): Declare.

gcc/fortran/ChangeLog:

* f95-lang.c (LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Redefine.
* trans-openmp.c (gfc_omp_predetermined_mapping): New.
* trans.h (gfc_omp_predetermined_mapping): Declare.

gcc/ChangeLog:

* gimplify.c (omp_notice_variable): Use new hook.
* langhooks-def.h (lhd_omp_predetermined_mapping): Declare.
(LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Define
(LANG_HOOKS_DECLS): Add it.
* langhooks.c (lhd_omp_predetermined_sharing): Remove bogus unused attr.
(lhd_omp_predetermined_mapping): New.
* langhooks.h (struct lang_hooks_for_decls): Add new hook.

gcc/testsuite/ChangeLog
2020-06-03  Thomas Schwinge  <thomas@codesourcery.com>
    Tobias Burnus  <tobias@codesourcery.com>

PR middle-end/94874
* c-c++-common/gomp/pr94874.c: New.

Cleanup LTO tag streaming.

this patch cleanups a bit the way LTO tags are assigned (so we do not use magic
numbers of 2) and reorders them approximately by their frequency so the stream
gets little bit smaller because of uleb coding.

From:

[WPA] Compression: 111213968 input bytes, 293801489 uncompressed bytes (ratio: 2.641768)
[WPA] Size of mmap'd section decls: 85983129 bytes
[WPA] Size of mmap'd section function_body: 14058627 bytes

to:

[WPA] Compression: 110593119 input bytes, 287696614 uncompressed bytes (ratio: 2.601397)
[WPA] Size of mmap'd section decls: 85628556 bytes
[WPA] Size of mmap'd section function_body: 13842928 bytes

lto-bootstrapped/regtested x86_64-linux, will commit it shortly.

* lto-streamer.h (LTO_tags): Reorder so frequent tags has small indexes;
add LTO_first_tree_tag and LTO_first_gimple_tag.
(lto_tag_is_tree_code_p): Update.
(lto_tag_is_gimple_code_p): Update.
(lto_gimple_code_to_tag): Update.
(lto_tag_to_gimple_code): Update.
(lto_tree_code_to_tag): Update.
(lto_tag_to_tree_code): Update.

[Ada] Fix for missing calls to Adjust primitive with nested generics

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* sem_ch12.adb (Denotes_Previous_Actual): Delete.
(Check_Generic_Actuals): Do not special case array types whose
component type denotes a previous actual.  Do not special case
access types whose base type is private.
(Check_Private_View): Remove code dealing with secondary types.
Do not switch the views of an array because of its component.
(Copy_Generic_Node): Add special handling for a comparison
operator on array types.
(Instantiate_Type): Do not special case access types whose
designated type is private.
(Set_Global_Type): Do not special case array types whose
component type is private.

[Ada] Spurious ineffective with clause warnings on use type clause

2020-06-03  Justin Squirek  <squirek@adacore.com>

gcc/ada/

* sem_ch10.adb (Process_Body_Clauses): Add loop to interate
through all prefixes in a use_type clause so that all packages
in the expanded name get examined for effectiveness.

[Ada] Small housekeeping work in Check_Private_View

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* sem_ch12.adb (Check_Private_View): Clean up implementation of
second main case, when the generic sees the private declaration.

[Ada] Add detection of uninitialized big reals

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* libgnat/a-nbnbin.ads: Minor reformatting.
* libgnat/a-nbnbre.ads, libgnat/a-nbnbre.adb (Is_Valid): Add
convention Intrinsic. Add detection of uninitialized big reals.

[Ada] Remove more cases of empty loops

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* sem_util.ads, sem_util.adb (Side_Effect_Free_Statements,
Side_Effect_Free_Loop): New functions.
(Has_Non_Null_Statements): Consider N_Call_Marker as a null
statement.
* sem_ch5.adb (Analyze_Loop_Parameter_Specification): Call
Set_Is_Null_Loop even inside a generic instantiation.
(Analyze_Loop_Statement): Mark for removal loops with no side
effects.

[Ada] Support pragma Allow_Integer_Address on 64-bit targets

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* opt.ads (Allow_Integer_Address): Fix typo in comment.
* stand.ads (Standard_Address): New entity.
* cstand.adb (Create_Standard): Create it.
* sem_ch4.adb (Operator_Check): Convert the operands of an
operation with addresses and integers to Standard_Address
if pragma Allow_Integer_Address is in effect.

[Ada] Get rid of more references to Universal_Integer in expanded code

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* libgnat/s-atopar.adb (Atomic_Fetch_And_Add): Make use of an
equivalent static expression.
(Atomic_Fetch_And_Subtract): Likewise.
(Is_Lock_Free): Likewise.
* libgnat/s-atopex.adb (Atomic_Exchange): Likewise.
(Atomic_Compare_And_Exchange): Likewise.
(Is_Lock_Free): Likewise.

[Ada] Fix typos

2020-06-03  Vadim Godunko  <godunko@adacore.com>

gcc/ada/

* libgnat/s-parame.ads, libgnat/s-parame__ae653.ads,
libgnat/s-parame__hpux.ads: Fix typos.

[Ada] Avoid creating temporaries in Universal_Integer, continued

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* exp_util.adb (Remove_Side_Effects): For a type conversion, do
not remove the side effects of the expression only if it is of
universal integer type.

[Ada] Update headers

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* libgnat/s-aotase.ads, libgnat/s-atoope.ads,
libgnat/s-atopar.ads, libgnat/s-atopex.ads: Update header.

[Ada] Small improvement to Expand_N_Unchecked_Type_Conversion

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* exp_ch4.adb (Expand_N_Unchecked_Type_Conversion): Also fold the
conversion for literals of enumeration types.

[Ada] Improve handling of SPARK_Mode in generic instances

2020-06-03  Yannick Moy  <moy@adacore.com>

gcc/ada/

* rtsfind.adb (Load_RTU): Correctly set/reset global variable to
ignore SPARK_Mode in instances around loading.
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Accept Off
without prior On.
* sem_ch7.adb (Analyze_Package_Body_Helper): Likewise.
* sem_prag.adb (Analyze_Pragma): Always take into account
SPARK_Mode Off.

[Ada] Initial infrastructure for adding a tree checker

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* frontend.adb (Frontend): Call (dummy for now) tree checker.
* debug.adb: Reserve -gnatd_V for the tree checker.
* vast.ads, vast.adb: New files.
* gcc-interface/Make-lang.in: Add vast.o.

[Ada] Incorrect accessibility checking on aliased formals

2020-06-03  Justin Squirek  <squirek@adacore.com>

gcc/ada/

* libgnat/a-cborse.adb, libgnat/a-cihase.adb,
libgnat/a-ciorse.adb, libgnat/a-coorse.adb: Modified to use
'Unrestricted_Access in certain cases where static accessibility
errors were triggered.
* exp_ch6.adb (Expand_Simple_Return_Statement): Add generation
of dynamic accessibility checks as determined by
Is_Special_Aliased_Formal_Access.
* sem_attr.adb (Resolve_Attribute): Add call to
Is_Special_Aliased_Formal_Access to avoid performing static
checks where dynamic ones are required.
* sem_ch6.adb (Check_Return_Obj_Accessibility): Handle renamed
objects within component associations requiring special
accessibility checks.
* sem_util.adb, sem_util.ads (Is_Special_Aliased_Formal_Access):
Created to detect the special case where an aliased formal is
being compared against the level of an anonymous access return
object.
(Object_Access_Level): Remove incorrect condition leading to
overly permissive accessibility levels being returned on
explicitly aliased parameters.

[Ada] Improve 'Val implementation for some enumeration types

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* einfo.ads (Enum_Pos_To_Rep): Adjust description.
* exp_attr.adb (Expand_N_Attribute_Reference) <Pred>:
Reimplement in the case of an enumeration type with non-standard
but contiguous representation.
<Succ>: Likewise.
<Val>: Likewise.
* exp_ch3.adb (Expand_Freeze_Enumeration_Type): Count the
literals in the first loop.  If the representation is
contiguous, just build the index type of the array type and set
Enum_Pos_To_Rep to it.

[Ada] Unnesting problems with expansion of Loop_Entry attribute

2020-06-03  Gary Dismukes  <dismukes@adacore.com>

gcc/ada/

* exp_attr.adb (Expand_Loop_Entry_Attribute): Revise loop that
resets the scopes of entities associated with Loop_Id to the
scope of the new function, so the resetting is not restricted to
itypes, but excludes loop parameters and the function entity
itself. However, this fix is believed to be incomplete and a ???
comment is added to indicate that.

[Ada] Minor change to comment in System.Regexp spec

2020-06-03  Bob Duff  <duff@adacore.com>

gcc/ada/

* libgnat/s-regexp.ads: Fix comment

[Ada] Get rid of more references to Universal_Integer in expanded code

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* exp_attr.adb (Expand_N_Attribute_Reference) <Enum_Rep>:
In the case of an enumeration type, do an intermediate
conversion to a small integer type.  Remove useless stuff.
<Finalization_Size>: Do not hardcode Universal_Integer and
fix a type mismatch in the assignment to the variable.
<Max_Size_In_Storage_Elements>: Likewise.
<From_Any>: Do not redefine the Ptyp local variable.
<To_Any>: Likewise.
<TypeCode>: Likewise.
<Pos>: Small tweaks.
<Val>: For an enumeration type with standard representation,
apply the range check to the expression of a convertion to
Universal_Integer, if any.  For an integer type, expand to
a mere conversion.

[Ada] More efficient System.Random_Numbers.Random_Discrete for 32-bit types

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* libgnat/s-rannum.adb (Random_Discrete): In the 32-bit case,
use the same linear implementation as in the 64-bit case when
the type has a contiguous representation.

[Ada] Debug info not available on subp having a class-wide precondition

2020-06-03  Gary Dismukes  <dismukes@adacore.com>

gcc/ada/

* sem_util.adb (Build_Class_Wide_Clone_Decl): Call
Set_Debug_Info_Needed to set the Needs_Debug_Info flag on
Clone_Id if the flag is set on Spec_Id.

[Ada] Fix missing overflow checks in analysis of predefined unit

2020-06-03  Yannick Moy  <moy@adacore.com>

gcc/ada/

* inline.adb (Expand_Inlined_Call): Do not suppress checks on
inlined code in GNATprove mode.

[Ada] Fix typo in comment

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* einfo.ads (Has_Contiguous_Rep): Fix typo in comment.

[Ada] Iterate with procedural versions of Next_... routines where possible

2020-06-03  Piotr Trojanek  <trojanek@adacore.com>

gcc/ada/

* checks.adb, einfo.adb, exp_aggr.adb, exp_ch4.adb, exp_ch6.adb,
exp_unst.adb, exp_util.adb, freeze.adb, inline.adb, repinfo.adb,
sem_aggr.adb, sem_attr.adb, sem_aux.adb, sem_ch13.adb,
sem_ch3.adb, sem_ch4.adb, sem_ch8.adb, sem_elab.adb,
sem_eval.adb, sem_prag.adb, sem_res.adb, sem_smem.adb,
sem_util.adb, treepr.adb: Replace uses of Next_ functions with
corresponding procedures.

[Ada] Get rid of more references to Universal_Integer in expanded code

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* exp_attr.adb (Attribute_Valid): Use Standard_Long_Long_Integer
in lieu of Universal_Integer as large integer type.
* exp_ch3.adb (Expand_Freeze_Enumeration_Type): Likewise.

[Ada] Add Address_Int declaration in s-auxdec.ads

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* libgnat/s-auxdec.ads (Address_Int): New.

[Ada] Remove ASIS tree generation

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* aspects.adb, aspects.ads, atree.adb, atree.ads, elists.adb,
elists.ads, fname.adb, fname.ads, gnat1drv.adb, lib.adb,
lib.ads, namet.adb, namet.ads, nlists.adb, nlists.ads, opt.adb,
opt.ads, osint-c.adb, osint-c.ads, repinfo.adb, repinfo.ads,
sem_aux.adb, sem_aux.ads, sinput.adb, sinput.ads, stand.ads,
stringt.adb, stringt.ads, switch-c.adb, table.adb, table.ads,
uintp.adb, uintp.ads, urealp.adb, urealp.ads (Tree_Read,
Tree_Write): Remove generation of ASIS trees.
* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
Remove -gnatt and -gnatct documentation.
* gnat_ugn.texi: Regenerate.
* tree_in.ads, tree_in.adb, tree_io.ads, tree_io.adb,
tree_gen.ads, tree_gen.adb, stand.adb: Remove.
* gcc-interface/Makefile.in, gcc-interface/Make-lang.in: Remove
references to tree_gen.o tree_in.o tree_io.o.

[Ada] Put a couple of options in alphabetical order

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* opt.ads (Disable_FE_Inline): Move around.
(Disable_FE_Inline_Always): Likewise.

[Ada] Avoid creating temporaries in Universal_Integer for range checks

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* checks.adb (Is_Single_Attribute_Reference): New predicate.
(Generate_Range_Check): Do not force the evaluation if the
node is a single attribute reference.
* exp_util.adb (Side_Effect_Free_Attribute): New predicate.
(Side_Effect_Free) <N_Attribute_Reference>: Call it.
(Remove_Side_Effects): Remove the side effects of the prefix
for an attribute reference whose prefix is not a name.

[Ada] Remove -gnatt switch processing

2020-06-03  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* switch-c.adb (Scan_Front_End_Switches): Remove processing of
-gnatt.
* usage.adb (Usage): Remove mention of -gnatt.

[Ada] Minor tweaks in commentary

2020-06-03  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* sinfo.ads: Minor tweaks in commentary.

gcov: Fix build on AIX

We must guard used atomic builtins with GCOV_SUPPORTS_ATOMIC.
The patch is tested on AIX and I'm going to push it.

libgcc/ChangeLog:

PR gcov-profile/95480
* libgcov-profiler.c (GCOV_SUPPORTS_ATOMIC): Move to...
* libgcov.h (GCOV_SUPPORTS_ATOMIC): ...here.
(gcov_counter_add): Use GCOV_SUPPORTS_ATOMIC guard.
(gcov_counter_set_if_null): Likewise.

Daily bump.

jit: fix __builtin_unreachable [PR 95426]

PR jit/95426 reports a crash deep inside "expand" when using
__builtin_unreachable via gcc_jit_context_get_builtin_function,
due to BLOCK_FOR_INSN being erroneously used on a barrier within
rtl_verify_bb_pointers.

The root cause turns out to be that I didn't implement
LANG_HOOKS_COMMON_ATTRIBUTE_TABLE and LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
for the jit "frontend".  When building a decl for the builtin, the
libgccjit frontend generates a chain of attributes names, but when
this is passed to decl_attributes and the attributes are looked up by
namespace and name within lookup_scoped_attribute_spec, attributes_table
is empty.  Hence no attributes were being associated with the fndecl,
and so ECF_NORETURN was not set on the gimple_call (along with various
other flags missing on the decl, etc), and so the call is treated as
not terminating its BB, and so the CFG rapidly diverges from the
equivalent created by the C frontend.

This patch fixes things by implementing these langhooks, copying the
minimal attribute-handling code from LTO.  I stepped through the
creation of the fndecl and verified that with this fix it has the same
attributes as the equivalent created by the C frontend.

gcc/jit/ChangeLog:
PR jit/95426
* dummy-frontend.c: Include "options.h", "stringpool.h", and
"attribs.h".
(ATTR_EXCL): New, copied from lto/lto-lang.c.
(attr_noreturn_exclusions): Likewise.
(attr_returns_twice_exclusions): Likewise.
(attr_const_pure_exclusions): Likewise.
(jit_attribute_table): Likewise, copied from lto_attribute_table.
(jit_format_attribute_table): Likewise, copied from
lto_format_attribute_table.
(handle_noreturn_attribute): New, copied from lto/lto-lang.c.
(handle_leaf_attribute): Likewise.
(handle_const_attribute): Likewise.
(handle_malloc_attribute): Likewise.
(handle_pure_attribute): Likewise.
(handle_novops_attribute): Likewise.
(get_nonnull_operand): Likewise.
(handle_nonnull_attribute): Likewise.
(handle_nothrow_attribute): Likewise.
(handle_sentinel_attribute): Likewise.
(handle_type_generic_attribute): Likewise.
(handle_transaction_pure_attribute): Likewise.
(handle_returns_twice_attribute): Likewise.
(handle_patchable_function_entry_attribute): Likewise.
(ignore_attribute): Likewise.
(handle_format_attribute): Likewise.
(handle_format_arg_attribute): Likewise.
(handle_fnspec_attribute): Likewise.
(LANG_HOOKS_COMMON_ATTRIBUTE_TABLE): Define.
(LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Define.

gcc/testsuite/ChangeLog:
PR jit/95426
* jit.dg/all-non-failing-tests.h: Add note about...
* jit.dg/test-builtin-unreachable.c: New test.

c++: *this capture in const member fn [PR95193].

Here, the capture proxy for *this is const, but its DECL_VALUE_EXPR is not.
Don't ICE on this; it's a reasonable difference, since in C++ an rvalue of
scalar type does not have cv-qualifiers.

gcc/cp/ChangeLog:

PR c++/95193
* pt.c (tsubst_decl): Relax assert.

gcc/testsuite/ChangeLog:

PR c++/95193
* g++.dg/cpp1z/lambda-this7.C: New test.

RISC-V: Make __divdi3 handle div by zero same as hardware.

The ISA manual specifies that divide by zero always returns -1 as the result.
We were failing to do that when the dividend was negative.

Original patch from Virginie Moser.

libgcc/
* config/riscv/div.S (__divdi3): For negative arguments, change bgez
to bgtz.

[Ada] remove last traces of -auxbase

Remove occurrences of auxbase that remained in comments.

for  gcc/ada/ChangeLog

* lib.ads (Compilation_Switches): Remove -auxbase from
comments.
* switch.ads (Is_Internal_GCC_Switch): Likewise.

coroutines: Wrap co_await in a target expr where needed [PR95050]

Since the co_await expression is mostly opaque to the existing
machinery, we were hiding the details of the await_resume return
value.  If that needs to be wrapped in a target expression, then
emulate this with the whole co_await.  Similarly, if the await
expression we build in response to co_await p.yield_value (e)
is wrapped in a target expression, then we need to transfer that
wrapper to the resultant CO_YIELD_EXPR (which is, itself, just
a proxy for the underlying co_await).

gcc/cp/ChangeLog:

PR c++/95050
* coroutines.cc (build_co_await): Wrap the co_await expression
in a TARGET_EXPR, where needed.
(finish_co_yield_expr): Likewise.

gcc/testsuite/ChangeLog:

PR c++/95050
* g++.dg/coroutines/pr95050.C: New test.

spell ldscript correctly in outputs.exp et al

In my recent changes to outputs.exp and gcc-defs.exp, I misreferenced
dejagnu board property ldscript, singular, as ldscripts, plural.

This probably didn't have much impact on gcc-defs.exp: the code there
would just prefix with -Wl, any options that amounted to file names,
and linker scripts probably wouldn't be named without a -T or even an
-Wl,-T, prefix.

The visible effects were in outputs.exp, that also intended to add the
ldscript, if present, to the set of options to be passed to the
compiler driver for linking.  Using the wrong option name, that
wouldn't work.

for  gcc/testsuite/ChangeLog

* gcc.misc-tests/outputs.exp: Spell ldscript correctly.
* lib/gcc-defs.exp (gcc_adjust_linker_flags): Likewise.

aarch64: Fix an ICE in aarch64_short_vector_p [PR95459]

In aarch64_short_vector_p, we are simply checking whether a type (and a mode)
is a 64/128-bit short vector or not.  This should not be affected by the value
of TARGET_SVE.  Simply leave later code to report an error if SVE is disabled.

2020-06-02  Felix Yang  <felix.yang@huawei.com>

gcc/
PR target/95459
* config/aarch64/aarch64.c (aarch64_short_vector_p):
Leave later code to report an error if SVE is disabled.

gcc/testsuite/
PR target/95459
* gcc.target/aarch64/mgeneral-regs_6.c: New test.

libstdc++: Make debug containers prefer copy ctor to base ctor (PR 90102)

When given a type which can convert to any container-like type, the
C(const C&) copy constructor and C(const C::_Base&) converting
constructor are ambiguous. This change replaces the converting
constructor's parameter with a reference_wrapper-like type so that
calling that constructor requires an additional user-defined conversion.
This gives it a lower rank than the copy constructor, avoiding the
ambiguity.

While testing this change I discovered that __gnu_debug::forward_list
doesn't have a convering constructor from the std::forward_list base, so
this adds it.

We should probably consider whether the converting constructors should
be 'explicit' but I'm not changing that now.

libstdc++-v3/ChangeLog:

PR libstdc++/90102
* include/debug/deque (deque(const _Base&)): Replace parameter
with a struct that wraps a const _Base&.
* include/debug/forward_list (forward_list(_Base_ref)): New
constructor.
* include/debug/list (list(const _Base&)): Replace parameter
with a struct that wraps a const _Base&.
* include/debug/map.h (map(const _Base&)): Likewise.
* include/debug/multimap.h (multimap(const _Base&)): Likewise.
* include/debug/multiset.h (multiset(const _Base&)): Likewise.
* include/debug/set.h (set(const _Base&)): Likewise.
* include/debug/unordered_map (unordered_map(const _Base&))
(unordered_multimap(const _Base&)): Likewise.
* include/debug/unordered_set (unordered_set(const _Base&))
(unordered_multiset(const _Base&)): Likewise.
* testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
Adjust dg-error line number.
* include/debug/vector (vector(const _Base&)): Likewise.
* testsuite/23_containers/deque/debug/90102.cc: New test.
* testsuite/23_containers/forward_list/debug/90102.cc: New test.
* testsuite/23_containers/list/debug/90102.cc: New test.
* testsuite/23_containers/map/debug/90102.cc: New test.
* testsuite/23_containers/multimap/debug/90102.cc: New test.
* testsuite/23_containers/multiset/debug/90102.cc: New test.
* testsuite/23_containers/set/debug/90102.cc: New test.
* testsuite/23_containers/unordered_map/debug/90102.cc: New test.
* testsuite/23_containers/unordered_multimap/debug/90102.cc: New test.
* testsuite/23_containers/unordered_multiset/debug/90102.cc: New test.
* testsuite/23_containers/unordered_set/debug/90102.cc: New test.
* testsuite/23_containers/vector/debug/90102.cc: New test.

aarch64: Add initial support for -mcpu=zeus

This patch adds support for the Arm Zeus CPU.
Bootstrapped and tested on aarch64-none-linux-gnu.

gcc/

2020-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

* config/aarch64/aarch64-cores.def (zeus): Define.
* config/aarch64/aarch64-tune.md: Regenerate.
* doc/invoke.texi (AArch64 Options): Document zeus -mcpu option.

Correctly identify stfs if prefixed

Because reg_to_non_prefixed() only looks at the register being used, it
doesn't get the right answer for stfs, which leads to us not seeing
that it has a PCREL symbol ref.  This patch works around this by
introducing a helper function that inspects the insn to see if it is in
fact a stfs. Then if we use NON_PREFIXED_DEFAULT, address_to_insn_form()
can see that it has the PCREL symbol ref.

gcc/ChangeLog:

PR target/95347
* config/rs6000/rs6000.c (prefixed_store_p): Add special case
for stfs.
(is_stfs_insn): New helper function.

Simplify streaming of tree references

* lto-streamer-in.c (stream_read_tree_ref): Simplify streaming of
references.
* lto-streamer-out.c (stream_write_tree_ref): Likewise.

amdgcn: Remove -mlocal-symbol-id option

This patch removes the obsolete -mlocal-symbol-id option.  This was used to
control mangling of local symbol names in order to work around a ROCm runtime
bug, but that has not been needed in some time, and the mangling was removed
already.

gcc/ChangeLog:

* config/gcn/gcn-hsa.h (CC1_SPEC): Delete.
* config/gcn/gcn.opt (-mlocal-symbol-id): Delete.
* config/gcn/mkoffload.c (main): Don't use -mlocal-symbol-id.

gcc/testsuite/ChangeLog:

* gcc.dg/intermod-1.c: Don't use -mlocal-symbol-id.

gcc-changelog: support patterns

contrib/ChangeLog:

* gcc-changelog/git_commit.py: Support foo/bar/*: patterns in
wildcard_prefixes locations.
* gcc-changelog/test_email.py: Test it.
* gcc-changelog/test_patches.txt: Add 3 new patches.

libgcov: replace malloc and calloc.

The calloc was in the original tested version of the patch
and I made accidental last minute change.

Installed to master as obvious.

libgcc/ChangeLog:

* libgcov.h (gcov_topn_add_value): Use xcalloc instead
of xmalloc.

Fix bits/bytes confusion in latest change to expand_unop

gcc/ChangeLog:
PR middle-end/95395
* optabs.c (expand_unop): Fix bits/bytes confusion in latest change.

* tree-pretty-print.c (dump_generic_node) <ARRAY_TYPE>: Print quals.

contrib: Add gdc.test to list of ignored prefixes

The files in this subdirectory are part of the D2 test suite maintained
in the upstream DMD code repository.

contrib/ChangeLog:

* gcc-changelog/git_commit.py (ignored_prefixes): Add
gcc/testsuite/gdc.test/.

d: Set up input_location before lowering Dsymbol AST

Like a similarly named function in the visitor class for statements,
this ensures that the current input_location is set to the correct
source file location of the decl.

It is likely that there are a number of cases where declarations have
ended up with no location without this.

gcc/d/ChangeLog:

* decl.cc (DeclVisitor::build_dsymbol): New function.
(DeclVisitor::visit (TupleDeclaration *)): Use build_dsymbol to
traverse AST instead of accept.
(DeclVisitor::visit (AttribDeclaration *)): Likewise.
(DeclVisitor::visit (Nspace *)): Likewise.
(DeclVisitor::visit (TemplateDeclaration *)): Likewise.
(DeclVisitor::visit (TemplateInstance *)): Likewise.
(DeclVisitor::visit (TemplateMixin *)): Likewise.
(DeclVisitor::visit (StructDeclaration *)): Likewise.
(DeclVisitor::visit (ClassDeclaration *)): Likewise.
(DeclVisitor::visit (InterfaceDeclaration *)): Likewise.
(DeclVisitor::visit (VarDeclaration *)): Likewise.
(build_decl_tree): Likewise.

gcc-changelog: Update test to match new error text

contrib/ChangeLog:

* gcc-changelog/test_email.py (TestGccChangelog.test_long_lines):
Update expected error message.

S/390: Emit vector alignment hints for z13

2020-06-02  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

gcc/ChangeLog:

* config/s390/s390.c (print_operand): Emit vector alignment
hints for z13.

gcc/testsuite/ChangeLog:

* gcc.target/s390/vector/align-1.c: Change target architecture
to z13.
* gcc.target/s390/vector/align-2.c: Change target architecture
to z13.

gcc-changelog: Improve error text for overlong ChangeLog lines

This error is wrong, the line is what exceeds LINE_LIMIT characters, the
limit doesn't exceed itself.

contrib/ChangeLog:

* gcc-changelog/git_commit.py (GitCommit.parse_changelog): Fix
grammar.

contrib: Make prepare-commit-msg hook safe for older branches

If a user installs this script as .git/hooks/prepare-commit-msg and then
works on an old branch which doesn't have the mklog.py script, trying to
commit will fail with an error like:

environment: /.../gcc/contrib/mklog.py: No such file or directory

This makes it exit cleanly so it's possible to commit.

contrib/ChangeLog:

* prepare-commit-msg: Do nothing if the mklog.py script isn't
present.

Make TOPN counter dynamically allocated.

gcc/ChangeLog:

* coverage.c (get_coverage_counts): Skip sanity check for TOP N counters
as they have variable number of counters.
* gcov-dump.c (main): Add new option -r.
(print_usage): Likewise.
(tag_counters): All new raw format.
* gcov-io.h (struct gcov_kvp): New.
(GCOV_TOPN_VALUES): Remove.
(GCOV_TOPN_VALUES_COUNTERS): Likewise.
(GCOV_TOPN_MEM_COUNTERS): New.
(GCOV_TOPN_DISK_COUNTERS): Likewise.
(GCOV_TOPN_MAXIMUM_TRACKED_VALUES): Likewise.
* ipa-profile.c (ipa_profile_generate_summary): Use
GCOV_TOPN_MAXIMUM_TRACKED_VALUES.
(ipa_profile_write_edge_summary): Likewise.
(ipa_profile_read_edge_summary): Likewise.
(ipa_profile): Remove usage of GCOV_TOPN_VALUES.
* profile.c (sort_hist_values): Sort variable number
of counters.
(compute_value_histograms): Special case for TOP N counters
that have dynamic number of key-value pairs.
* value-prof.c (dump_histogram_value): Dump variable number
of key-value pairs.
(stream_in_histogram_value): Stream in variable number
of key-value pairs for TOP N counter.
(get_nth_most_common_value): Deal with variable number
of key-value pairs.
(dump_ic_profile): Use GCOV_TOPN_MAXIMUM_TRACKED_VALUES
for loop iteration.
(gimple_find_values_to_profile): Set GCOV_TOPN_MEM_COUNTERS
to n_counters.
* doc/gcov-dump.texi: Document new -r option.

libgcc/ChangeLog:

* libgcov-driver.c (prune_topn_counter): Remove.
(prune_counters): Likewise.
(merge_one_data): Special case TOP N counters
as they have variable length.
(write_top_counters): New.
(write_one_data): Special case TOP N.
(dump_one_gcov): Do not prune TOP N counters.
* libgcov-merge.c (merge_topn_values_set): Remove.
(__gcov_merge_topn): Use gcov_topn_add_value.
* libgcov-profiler.c (__gcov_topn_values_profiler_body):
Likewise here.
* libgcov.h (gcov_counter_add): New.
(gcov_counter_set_if_null): Likewise.
(gcov_topn_add_value): New.

openmp: Fix up build if HAVE_SYNC_BUILTINS is not defined.

2020-06-02  Jakub Jelinek  <jakub@redhat.com>

* allocator.c (omp_free): Fix up build if HAVE_SYNC_BUILTINS is not
defined.

[Ada] Remove ASIS_Mode

2020-06-02  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* atree.ads, checks.adb, contracts.adb, debug.adb, einfo.ads,
exp_ch3.adb, exp_util.adb, expander.ads, expander.adb,
frontend.adb, gnat1drv.adb, itypes.adb, lib.ads, namet.ads,
opt.adb, opt.ads, par-prag.adb, repinfo.ads, sem_aggr.adb,
sem_aux.ads, sem_case.ads, sem_ch10.adb, sem_ch12.adb,
sem_ch13.adb, sem_ch3.adb, sem_ch4.adb, sem_ch6.adb,
sem_dim.adb, sem_elab.adb, sem_prag.adb, sem_prag.ads,
sem_res.adb, sem_type.adb, sem_util.adb, sinfo.ads, stand.ads,
tree_io.ads: Remove references to ASIS_Mode.

[Ada] CCG: regressions on ACATS c460007, c46013a, cd1009d

2020-06-02  Javier Miranda  <miranda@adacore.com>

gcc/ada/

* exp_ch4.adb (Generate_Temporary): New subprogram of
Discrete_Range_Check that generates a temporary to facilitate
the C backend the code generation of the unchecked conversion
since the size of the source type may differ from the size of
the target type.

[Ada] Bump copyright year

2020-06-02  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

* ada_get_targ.adb: Bump copyright year.
* adabkend.adb: Likewise.
* adabkend.ads: Likewise.
* adadecode.c: Likewise.
* adadecode.h: Likewise.
* adaint.c: Likewise.
* adaint.h: Likewise.
* affinity.c: Likewise.
* ali-util.adb: Likewise.
* ali-util.ads: Likewise.
* ali.adb: Likewise.
* ali.ads: Likewise.
* alloc.ads: Likewise.
* argv-lynxos178-raven-cert.c: Likewise.
* argv.c: Likewise.
* aspects.adb: Likewise.
* aspects.ads: Likewise.
* atree.adb: Likewise.
* atree.ads: Likewise.
* atree.h: Likewise.
* aux-io.c: Likewise.
* back_end.adb: Likewise.
* back_end.ads: Likewise.
* bcheck.adb: Likewise.
* bcheck.ads: Likewise.
* binde.adb: Likewise.
* binde.ads: Likewise.
* binderr.adb: Likewise.
* binderr.ads: Likewise.
* bindgen.adb: Likewise.
* bindgen.ads: Likewise.
* bindo-augmentors.adb: Likewise.
* bindo-augmentors.ads: Likewise.
* bindo-builders.adb: Likewise.
* bindo-builders.ads: Likewise.
* bindo-diagnostics.adb: Likewise.
* bindo-diagnostics.ads: Likewise.
* bindo-elaborators.adb: Likewise.
* bindo-elaborators.ads: Likewise.
* bindo-graphs.adb: Likewise.
* bindo-graphs.ads: Likewise.
* bindo-units.adb: Likewise.
* bindo-units.ads: Likewise.
* bindo-validators.adb: Likewise.
* bindo-validators.ads: Likewise.
* bindo-writers.adb: Likewise.
* bindo-writers.ads: Likewise.
* bindo.adb: Likewise.
* bindo.ads: Likewise.
* bindusg.adb: Likewise.
* bindusg.ads: Likewise.
* butil.adb: Likewise.
* butil.ads: Likewise.
* cal.c: Likewise.
* casing.adb: Likewise.
* casing.ads: Likewise.
* ceinfo.adb: Likewise.
* checks.adb: Likewise.
* checks.ads: Likewise.
* cio.c: Likewise.
* clean.adb: Likewise.
* clean.ads: Likewise.
* comperr.adb: Likewise.
* comperr.ads: Likewise.
* contracts.adb: Likewise.
* contracts.ads: Likewise.
* csets.adb: Likewise.
* csets.ads: Likewise.
* csinfo.adb: Likewise.
* cstand.adb: Likewise.
* cstand.ads: Likewise.
* cstreams.c: Likewise.
* ctrl_c.c: Likewise.
* debug.adb: Likewise.
* debug.ads: Likewise.
* debug_a.adb: Likewise.
* debug_a.ads: Likewise.
* einfo.adb: Likewise.
* einfo.ads: Likewise.
* elists.adb: Likewise.
* elists.ads: Likewise.
* elists.h: Likewise.
* env.c: Likewise.
* env.h: Likewise.
* err_vars.ads: Likewise.
* errno.c: Likewise.
* errout.adb: Likewise.
* errout.ads: Likewise.
* erroutc.adb: Likewise.
* erroutc.ads: Likewise.
* errutil.adb: Likewise.
* errutil.ads: Likewise.
* eval_fat.adb: Likewise.
* eval_fat.ads: Likewise.
* exit.c: Likewise.
* exp_aggr.adb: Likewise.
* exp_aggr.ads: Likewise.
* exp_atag.adb: Likewise.
* exp_atag.ads: Likewise.
* exp_attr.adb: Likewise.
* exp_attr.ads: Likewise.
* exp_cg.adb: Likewise.
* exp_cg.ads: Likewise.
* exp_ch10.ads: Likewise.
* exp_ch11.adb: Likewise.
* exp_ch11.ads: Likewise.
* exp_ch12.adb: Likewise.
* exp_ch12.ads: Likewise.
* exp_ch13.adb: Likewise.
* exp_ch13.ads: Likewise.
* exp_ch2.adb: Likewise.
* exp_ch2.ads: Likewise.
* exp_ch3.adb: Likewise.
* exp_ch3.ads: Likewise.
* exp_ch4.adb: Likewise.
* exp_ch4.ads: Likewise.
* exp_ch5.adb: Likewise.
* exp_ch5.ads: Likewise.
* exp_ch6.adb: Likewise.
* exp_ch6.ads: Likewise.
* exp_ch7.adb: Likewise.
* exp_ch7.ads: Likewise.
* exp_ch8.adb: Likewise.
* exp_ch8.ads: Likewise.
* exp_ch9.adb: Likewise.
* exp_ch9.ads: Likewise.
* exp_code.adb: Likewise.
* exp_code.ads: Likewise.
* exp_dbug.adb: Likewise.
* exp_dbug.ads: Likewise.
* exp_disp.adb: Likewise.
* exp_disp.ads: Likewise.
* exp_dist.adb: Likewise.
* exp_dist.ads: Likewise.
* exp_fixd.adb: Likewise.
* exp_fixd.ads: Likewise.
* exp_imgv.adb: Likewise.
* exp_imgv.ads: Likewise.
* exp_intr.adb: Likewise.
* exp_intr.ads: Likewise.
* exp_pakd.adb: Likewise.
* exp_pakd.ads: Likewise.
* exp_prag.adb: Likewise.
* exp_prag.ads: Likewise.
* exp_sel.adb: Likewise.
* exp_sel.ads: Likewise.
* exp_smem.adb: Likewise.
* exp_smem.ads: Likewise.
* exp_spark.adb: Likewise.
* exp_spark.ads: Likewise.
* exp_strm.adb: Likewise.
* exp_strm.ads: Likewise.
* exp_tss.adb: Likewise.
* exp_tss.ads: Likewise.
* exp_unst.adb: Likewise.
* exp_unst.ads: Likewise.
* exp_util.adb: Likewise.
* exp_util.ads: Likewise.
* expander.adb: Likewise.
* expander.ads: Likewise.
* expect.c: Likewise.
* fe.h: Likewise.
* final.c: Likewise.
* fmap.adb: Likewise.
* fmap.ads: Likewise.
* fname-sf.adb: Likewise.
* fname-sf.ads: Likewise.
* fname-uf.adb: Likewise.
* fname-uf.ads: Likewise.
* fname.adb: Likewise.
* fname.ads: Likewise.
* freeze.adb: Likewise.
* freeze.ads: Likewise.
* frontend.adb: Likewise.
* frontend.ads: Likewise.
* get_scos.adb: Likewise.
* get_scos.ads: Likewise.
* get_targ.adb: Likewise.
* get_targ.ads: Likewise.
* ghost.adb: Likewise.
* ghost.ads: Likewise.
* gnat1drv.adb: Likewise.
* gnat1drv.ads: Likewise.
* gnatbind.adb: Likewise.
* gnatbind.ads: Likewise.
* gnatchop.adb: Likewise.
* gnatclean.adb: Likewise.
* gnatcmd.adb: Likewise.
* gnatcmd.ads: Likewise.
* gnatdll.adb: Likewise.
* gnatfind.adb: Likewise.
* gnatkr.adb: Likewise.
* gnatkr.ads: Likewise.
* gnatlink.adb: Likewise.
* gnatlink.ads: Likewise.
* gnatls.adb: Likewise.
* gnatls.ads: Likewise.
* gnatmake.adb: Likewise.
* gnatmake.ads: Likewise.
* gnatname.adb: Likewise.
* gnatname.ads: Likewise.
* gnatprep.adb: Likewise.
* gnatprep.ads: Likewise.
* gnatvsn.adb: Likewise.
* gnatxref.adb: Likewise.
* gprep.adb: Likewise.
* gprep.ads: Likewise.
* gsocket.h: Likewise.
* hostparm.ads: Likewise.
* impunit.adb: Likewise.
* impunit.ads: Likewise.
* indepsw-aix.adb: Likewise.
* indepsw-darwin.adb: Likewise.
* indepsw-gnu.adb: Likewise.
* indepsw.adb: Likewise.
* indepsw.ads: Likewise.
* init.c: Likewise.
* initialize.c: Likewise.
* inline.adb: Likewise.
* inline.ads: Likewise.
* itypes.adb: Likewise.
* itypes.ads: Likewise.
* krunch.adb: Likewise.
* krunch.ads: Likewise.
* layout.adb: Likewise.
* layout.ads: Likewise.
* lib-list.adb: Likewise.
* lib-load.adb: Likewise.
* lib-load.ads: Likewise.
* lib-sort.adb: Likewise.
* lib-util.adb: Likewise.
* lib-util.ads: Likewise.
* lib-writ.adb: Likewise.
* lib-writ.ads: Likewise.
* lib-xref-spark_specific.adb: Likewise.
* lib-xref.adb: Likewise.
* lib-xref.ads: Likewise.
* lib.adb: Likewise.
* lib.ads: Likewise.
* libgnarl/a-astaco.adb: Likewise.
* libgnarl/a-dispat.adb: Likewise.
* libgnarl/a-dynpri.adb: Likewise.
* libgnarl/a-etgrbu.ads: Likewise.
* libgnarl/a-exetim__darwin.adb: Likewise.
* libgnarl/a-exetim__default.ads: Likewise.
* libgnarl/a-exetim__mingw.adb: Likewise.
* libgnarl/a-exetim__mingw.ads: Likewise.
* libgnarl/a-exetim__posix.adb: Likewise.
* libgnarl/a-interr.adb: Likewise.
* libgnarl/a-interr.ads: Likewise.
* libgnarl/a-intnam.ads: Likewise.
* libgnarl/a-intnam__aix.ads: Likewise.
* libgnarl/a-intnam__darwin.ads: Likewise.
* libgnarl/a-intnam__dragonfly.ads: Likewise.
* libgnarl/a-intnam__dummy.ads: Likewise.
* libgnarl/a-intnam__freebsd.ads: Likewise.
* libgnarl/a-intnam__hpux.ads: Likewise.
* libgnarl/a-intnam__linux.ads: Likewise.
* libgnarl/a-intnam__lynxos.ads: Likewise.
* libgnarl/a-intnam__mingw.ads: Likewise.
* libgnarl/a-intnam__qnx.ads: Likewise.
* libgnarl/a-intnam__rtems.ads: Likewise.
* libgnarl/a-intnam__solaris.ads: Likewise.
* libgnarl/a-intnam__vxworks.ads: Likewise.
* libgnarl/a-reatim.adb: Likewise.
* libgnarl/a-reatim.ads: Likewise.
* libgnarl/a-retide.adb: Likewise.
* libgnarl/a-retide.ads: Likewise.
* libgnarl/a-rttiev.adb: Likewise.
* libgnarl/a-rttiev.ads: Likewise.
* libgnarl/a-synbar.adb: Likewise.
* libgnarl/a-synbar.ads: Likewise.
* libgnarl/a-synbar__posix.adb: Likewise.
* libgnarl/a-synbar__posix.ads: Likewise.
* libgnarl/a-sytaco.adb: Likewise.
* libgnarl/a-sytaco.ads: Likewise.
* libgnarl/a-tasatt.adb: Likewise.
* libgnarl/a-tasatt.ads: Likewise.
* libgnarl/a-taside.adb: Likewise.
* libgnarl/a-taside.ads: Likewise.
* libgnarl/a-taster.adb: Likewise.
* libgnarl/g-boubuf.adb: Likewise.
* libgnarl/g-boubuf.ads: Likewise.
* libgnarl/g-boumai.ads: Likewise.
* libgnarl/g-semaph.adb: Likewise.
* libgnarl/g-semaph.ads: Likewise.
* libgnarl/g-signal.adb: Likewise.
* libgnarl/g-signal.ads: Likewise.
* libgnarl/g-tastus.ads: Likewise.
* libgnarl/g-thread.adb: Likewise.
* libgnarl/g-thread.ads: Likewise.
* libgnarl/i-vxinco.adb: Likewise.
* libgnarl/i-vxinco.ads: Likewise.
* libgnarl/s-inmaop.ads: Likewise.
* libgnarl/s-inmaop__dummy.adb: Likewise.
* libgnarl/s-inmaop__posix.adb: Likewise.
* libgnarl/s-inmaop__vxworks.adb: Likewise.
* libgnarl/s-interr.adb: Likewise.
* libgnarl/s-interr.ads: Likewise.
* libgnarl/s-interr__dummy.adb: Likewise.
* libgnarl/s-interr__hwint.adb: Likewise.
* libgnarl/s-interr__sigaction.adb: Likewise.
* libgnarl/s-interr__vxworks.adb: Likewise.
* libgnarl/s-intman.ads: Likewise.
* libgnarl/s-intman__android.adb: Likewise.
* libgnarl/s-intman__dummy.adb: Likewise.
* libgnarl/s-intman__lynxos.adb: Likewise.
* libgnarl/s-intman__mingw.adb: Likewise.
* libgnarl/s-intman__posix.adb: Likewise.
* libgnarl/s-intman__qnx.adb: Likewise.
* libgnarl/s-intman__solaris.adb: Likewise.
* libgnarl/s-intman__susv3.adb: Likewise.
* libgnarl/s-intman__vxworks.adb: Likewise.
* libgnarl/s-intman__vxworks.ads: Likewise.
* libgnarl/s-linux.ads: Likewise.
* libgnarl/s-linux__alpha.ads: Likewise.
* libgnarl/s-linux__android.ads: Likewise.
* libgnarl/s-linux__hppa.ads: Likewise.
* libgnarl/s-linux__mips.ads: Likewise.
* libgnarl/s-linux__riscv.ads: Likewise.
* libgnarl/s-linux__sparc.ads: Likewise.
* libgnarl/s-linux__x32.ads: Likewise.
* libgnarl/s-mudido.adb: Likewise.
* libgnarl/s-mudido__affinity.adb: Likewise.
* libgnarl/s-osinte__aix.adb: Likewise.
* libgnarl/s-osinte__aix.ads: Likewise.
* libgnarl/s-osinte__android.adb: Likewise.
* libgnarl/s-osinte__android.ads: Likewise.
* libgnarl/s-osinte__darwin.adb: Likewise.
* libgnarl/s-osinte__darwin.ads: Likewise.
* libgnarl/s-osinte__dragonfly.adb: Likewise.
* libgnarl/s-osinte__dragonfly.ads: Likewise.
* libgnarl/s-osinte__dummy.ads: Likewise.
* libgnarl/s-osinte__freebsd.adb: Likewise.
* libgnarl/s-osinte__freebsd.ads: Likewise.
* libgnarl/s-osinte__gnu.adb: Likewise.
* libgnarl/s-osinte__gnu.ads: Likewise.
* libgnarl/s-osinte__hpux-dce.adb: Likewise.
* libgnarl/s-osinte__hpux-dce.ads: Likewise.
* libgnarl/s-osinte__hpux.ads: Likewise.
* libgnarl/s-osinte__kfreebsd-gnu.ads: Likewise.
* libgnarl/s-osinte__linux.ads: Likewise.
* libgnarl/s-osinte__lynxos178.adb: Likewise.
* libgnarl/s-osinte__lynxos178e.ads: Likewise.
* libgnarl/s-osinte__mingw.ads: Likewise.
* libgnarl/s-osinte__posix.adb: Likewise.
* libgnarl/s-osinte__qnx.adb: Likewise.
* libgnarl/s-osinte__qnx.ads: Likewise.
* libgnarl/s-osinte__rtems.adb: Likewise.
* libgnarl/s-osinte__rtems.ads: Likewise.
* libgnarl/s-osinte__solaris.adb: Likewise.
* libgnarl/s-osinte__solaris.ads: Likewise.
* libgnarl/s-osinte__vxworks.adb: Likewise.
* libgnarl/s-osinte__vxworks.ads: Likewise.
* libgnarl/s-osinte__x32.adb: Likewise.
* libgnarl/s-proinf.adb: Likewise.
* libgnarl/s-proinf.ads: Likewise.
* libgnarl/s-qnx.ads: Likewise.
* libgnarl/s-solita.adb: Likewise.
* libgnarl/s-solita.ads: Likewise.
* libgnarl/s-stusta.adb: Likewise.
* libgnarl/s-stusta.ads: Likewise.
* libgnarl/s-taasde.adb: Likewise.
* libgnarl/s-taasde.ads: Likewise.
* libgnarl/s-tadeca.adb: Likewise.
* libgnarl/s-tadeca.ads: Likewise.
* libgnarl/s-tadert.adb: Likewise.
* libgnarl/s-tadert.ads: Likewise.
* libgnarl/s-taenca.adb: Likewise.
* libgnarl/s-taenca.ads: Likewise.
* libgnarl/s-taprob.adb: Likewise.
* libgnarl/s-taprob.ads: Likewise.
* libgnarl/s-taprop.ads: Likewise.
* libgnarl/s-taprop__dummy.adb: Likewise.
* libgnarl/s-taprop__hpux-dce.adb: Likewise.
* libgnarl/s-taprop__linux.adb: Likewise.
* libgnarl/s-taprop__mingw.adb: Likewise.
* libgnarl/s-taprop__posix.adb: Likewise.
* libgnarl/s-taprop__qnx.adb: Likewise.
* libgnarl/s-taprop__solaris.adb: Likewise.
* libgnarl/s-taprop__vxworks.adb: Likewise.
* libgnarl/s-tarest.adb: Likewise.
* libgnarl/s-tarest.ads: Likewise.
* libgnarl/s-tasdeb.adb: Likewise.
* libgnarl/s-tasdeb.ads: Likewise.
* libgnarl/s-tasinf.adb: Likewise.
* libgnarl/s-tasinf.ads: Likewise.
* libgnarl/s-tasinf__linux.adb: Likewise.
* libgnarl/s-tasinf__linux.ads: Likewise.
* libgnarl/s-tasinf__mingw.adb: Likewise.
* libgnarl/s-tasinf__mingw.ads: Likewise.
* libgnarl/s-tasinf__solaris.adb: Likewise.
* libgnarl/s-tasinf__solaris.ads: Likewise.
* libgnarl/s-tasinf__vxworks.ads: Likewise.
* libgnarl/s-tasini.adb: Likewise.
* libgnarl/s-tasini.ads: Likewise.
* libgnarl/s-taskin.adb: Likewise.
* libgnarl/s-taskin.ads: Likewise.
* libgnarl/s-taspri__dummy.ads: Likewise.
* libgnarl/s-taspri__hpux-dce.ads: Likewise.
* libgnarl/s-taspri__lynxos.ads: Likewise.
* libgnarl/s-taspri__mingw.ads: Likewise.
* libgnarl/s-taspri__posix-noaltstack.ads: Likewise.
* libgnarl/s-taspri__posix.ads: Likewise.
* libgnarl/s-taspri__solaris.ads: Likewise.
* libgnarl/s-taspri__vxworks.ads: Likewise.
* libgnarl/s-tasque.adb: Likewise.
* libgnarl/s-tasque.ads: Likewise.
* libgnarl/s-tasren.adb: Likewise.
* libgnarl/s-tasren.ads: Likewise.
* libgnarl/s-tasres.ads: Likewise.
* libgnarl/s-tassta.adb: Likewise.
* libgnarl/s-tassta.ads: Likewise.
* libgnarl/s-tasuti.adb: Likewise.
* libgnarl/s-tasuti.ads: Likewise.
* libgnarl/s-tataat.adb: Likewise.
* libgnarl/s-tataat.ads: Likewise.
* libgnarl/s-tpinop.adb: Likewise.
* libgnarl/s-tpinop.ads: Likewise.
* libgnarl/s-tpoaal.adb: Likewise.
* libgnarl/s-tpoben.adb: Likewise.
* libgnarl/s-tpoben.ads: Likewise.
* libgnarl/s-tpobmu.adb: Likewise.
* libgnarl/s-tpobmu.ads: Likewise.
* libgnarl/s-tpobop.adb: Likewise.
* libgnarl/s-tpobop.ads: Likewise.
* libgnarl/s-tpopmo.adb: Likewise.
* libgnarl/s-tpopsp__posix-foreign.adb: Likewise.
* libgnarl/s-tpopsp__posix.adb: Likewise.
* libgnarl/s-tpopsp__solaris.adb: Likewise.
* libgnarl/s-tpopsp__tls.adb: Likewise.
* libgnarl/s-tpopsp__vxworks-rtp.adb: Likewise.
* libgnarl/s-tpopsp__vxworks-tls.adb: Likewise.
* libgnarl/s-tpopsp__vxworks.adb: Likewise.
* libgnarl/s-tporft.adb: Likewise.
* libgnarl/s-tposen.adb: Likewise.
* libgnarl/s-tposen.ads: Likewise.
* libgnarl/s-vxwext.adb: Likewise.
* libgnarl/s-vxwext.ads: Likewise.
* libgnarl/s-vxwext__kernel-smp.adb: Likewise.
* libgnarl/s-vxwext__kernel.adb: Likewise.
* libgnarl/s-vxwext__kernel.ads: Likewise.
* libgnarl/s-vxwext__noints.adb: Likewise.
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* libgnarl/s-vxwext__rtp.adb: Likewise.
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* libgnat/system-vxworks7-arm-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-arm.ads: Likewise.
* libgnat/system-vxworks7-e500-kernel.ads: Likewise.
* libgnat/system-vxworks7-e500-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-e500-rtp.ads: Likewise.
* libgnat/system-vxworks7-ppc-kernel.ads: Likewise.
* libgnat/system-vxworks7-ppc-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-ppc-rtp.ads: Likewise.
* libgnat/system-vxworks7-ppc64-kernel.ads: Likewise.
* libgnat/system-vxworks7-ppc64-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-x86-kernel.ads: Likewise.
* libgnat/system-vxworks7-x86-rtp-smp.ads: Likewise.
* libgnat/system-vxworks7-x86-rtp.ads: Likewise.
* libgnat/system-vxworks7-x86_64-kernel.ads: Likewise.
* libgnat/system-vxworks7-x86_64-rtp-smp.ads: Likewise.
* libgnat/system.ads: Likewise.
* link.c: Likewise.
* live.adb: Likewise.
* live.ads: Likewise.
* locales.c: Likewise.
* make.adb: Likewise.
* make.ads: Likewise.
* make_util.adb: Likewise.
* make_util.ads: Likewise.
* makeusg.adb: Likewise.
* makeusg.ads: Likewise.
* mdll-fil.adb: Likewise.
* mdll-fil.ads: Likewise.
* mdll-utl.adb: Likewise.
* mdll-utl.ads: Likewise.
* mdll.adb: Likewise.
* mdll.ads: Likewise.
* mingw32.h: Likewise.
* mkdir.c: Likewise.
* namet-sp.adb: Likewise.
* namet-sp.ads: Likewise.
* namet.adb: Likewise.
* namet.ads: Likewise.
* namet.h: Likewise.
* nlists.adb: Likewise.
* nlists.ads: Likewise.
* nlists.h: Likewise.
* opt.adb: Likewise.
* opt.ads: Likewise.
* osint-b.adb: Likewise.
* osint-b.ads: Likewise.
* osint-c.adb: Likewise.
* osint-c.ads: Likewise.
* osint-l.adb: Likewise.
* osint-l.ads: Likewise.
* osint-m.adb: Likewise.
* osint-m.ads: Likewise.
* osint.adb: Likewise.
* osint.ads: Likewise.
* output.adb: Likewise.
* output.ads: Likewise.
* par-ch10.adb: Likewise.
* par-ch11.adb: Likewise.
* par-ch12.adb: Likewise.
* par-ch13.adb: Likewise.
* par-ch2.adb: Likewise.
* par-ch3.adb: Likewise.
* par-ch4.adb: Likewise.
* par-ch5.adb: Likewise.
* par-ch6.adb: Likewise.
* par-ch7.adb: Likewise.
* par-ch8.adb: Likewise.
* par-ch9.adb: Likewise.
* par-endh.adb: Likewise.
* par-labl.adb: Likewise.
* par-load.adb: Likewise.
* par-prag.adb: Likewise.
* par-sync.adb: Likewise.
* par-tchk.adb: Likewise.
* par-util.adb: Likewise.
* par.adb: Likewise.
* par.ads: Likewise.
* par_sco.adb: Likewise.
* par_sco.ads: Likewise.
* pprint.adb: Likewise.
* pprint.ads: Likewise.
* prep.adb: Likewise.
* prep.ads: Likewise.
* prepcomp.adb: Likewise.
* prepcomp.ads: Likewise.
* put_scos.adb: Likewise.
* put_scos.ads: Likewise.
* raise-gcc.c: Likewise.
* raise.c: Likewise.
* raise.h: Likewise.
* repinfo-input.adb: Likewise.
* repinfo-input.ads: Likewise.
* repinfo.adb: Likewise.
* repinfo.ads: Likewise.
* repinfo.h: Likewise.
* restrict.adb: Likewise.
* restrict.ads: Likewise.
* rident.ads: Likewise.
* rtfinal.c: Likewise.
* rtinit.c: Likewise.
* rtsfind.adb: Likewise.
* rtsfind.ads: Likewise.
* runtime.h: Likewise.
* s-oscons-tmplt.c: Likewise.
* sa_messages.adb: Likewise.
* sa_messages.ads: Likewise.
* scans.adb: Likewise.
* scans.ads: Likewise.
* scil_ll.adb: Likewise.
* scil_ll.ads: Likewise.
* scn.adb: Likewise.
* scn.ads: Likewise.
* scng.adb: Likewise.
* scng.ads: Likewise.
* scos.adb: Likewise.
* scos.ads: Likewise.
* scos.h: Likewise.
* sdefault.ads: Likewise.
* seh_init.c: Likewise.
* sem.adb: Likewise.
* sem.ads: Likewise.
* sem_aggr.adb: Likewise.
* sem_aggr.ads: Likewise.
* sem_attr.adb: Likewise.
* sem_attr.ads: Likewise.
* sem_aux.adb: Likewise.
* sem_aux.ads: Likewise.
* sem_case.adb: Likewise.
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* sem_cat.adb: Likewise.
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* socket.c: Likewise.
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* stringt.ads: Likewise.
* stringt.h: Likewise.
* style.adb: Likewise.
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[Ada] Improved support for aspect alignment in CCG

2020-06-02  Javier Miranda  <miranda@adacore.com>

gcc/ada/

* sem_ch3.adb (Analyze_Object_Declaration): Set attribute
Expansion_Delayed on aggregates that initialize an object that
has aspect alignment or address clause. Done to allow ther
initialization by means of multiple assignments.
* exp_ch3.adb (Expand_N_Object_Declaration): Resolve delayed
aggregates. This patch complements the patch applied to
sem_ch3.adb

[Ada] Compiler crash processing controlled type primitive

2020-06-02  Javier Miranda  <miranda@adacore.com>

gcc/ada/

* sem_util.adb (Ensure_Minimum_Decoration): New subprogram that
ensures the minimum decoration required by
Requires_Transient_Scope() to provide its functionality when the
entity is not frozen.

[Ada] Remove degenerate Treat_Fixed_As_Integer mechanism

2020-06-02  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* exp_ch4.adb (Expand_N_Op_Divide): Remove code dealing with
the Treat_Fixed_As_Integer flag.
(Expand_N_Op_Multiply): Likewise.
* exp_fixd.adb (Build_Divide): Do the division in an integer
type long enough to hold both operands and convert the result
to the type of the LHS.  Do not set Treat_Fixed_As_Integer.
(Build_Multiply): Do not set Treat_Fixed_As_Integer.
(Build_Rem): Likewise.
* sem_ch4.adb (Analyze_Arithmetic_Op): Remove code dealing with
the Treat_Fixed_As_Integer flag.
(Check_Arithmetic_Pair): Likewise.
* sinfo.ads (Treat_Fixed_As_Integer): Delete.
(N_Has_Treat_Fixed_As_Integer): Likewise.
(Set_Treat_Fixed_As_Integer): Likewise.
* sinfo.adb (Treat_Fixed_As_Integer): Likewise.
(Set_Treat_Fixed_As_Integer): Likewise.
* sprint.ads (Syntax Extensions): Remove '#' special character.
* sprint.adb (Process_TFAI_RR_Flags): Delete.
(Sprint_Node_Actual) <N_Op_Divide>: Print '@' manually.
<N_Op_Multiply>: Likewise.
<N_Op_Mod>: Do not print '#'.
<N_Op_Rem>: Likewise.

[Ada] Get rid of more references to Universal_Integer in expanded code

2020-06-02  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

* exp_aggr.adb (Others_Check): In the positional case, use the
general expression for the comparison only when needed.
* exp_attr.adb (Expand_Fpt_Attribute;): Use a simple conversion
to the target type instead of an unchecked conversion to the
base type to do the range check, as in the other cases.
(Expand_N_Attribute_Reference) <Attribute_Storage_Size>: Do the
Max operation in the type of the storage size variable, and use
Convert_To as in the other cases.
* tbuild.adb (Convert_To): Do not get rid of an intermediate
conversion to Universal_Integer here...
* sem_res.adb  (Simplify_Type_Conversion): ...but here instead.

[Ada] gnatpp: documentation for --RM-style-spacing

2020-06-02  Bob Duff  <duff@adacore.com>

gcc/ada/

* doc/gnat_ugn/gnat_utility_programs.rst: Update documentation
for --RM-style-spacing.

[Ada] gnatpp: documentation for --[no-]compact switch

2020-06-02  Bob Duff  <duff@adacore.com>

gcc/ada/

* doc/gnat_ugn/gnat_utility_programs.rst: Add documentation for
--[no-]compact switch.