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this->X::~X() is handled by finish_class_member_access_expr and its
lookup_destructor subroutine; let's use it in cp_parser_lookup_name for the
case where this-> is implicit.
I tried replacing the other destructor code here with just the call to
lookup_destructor, but that regressed handling of naming the destructor
outside a non-static member function.
* parser.c (cp_parser_lookup_name): Use lookup_destructor.
* typeck.c (lookup_destructor): No longer static.
From-SVN: r279522
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2019-12-18 Andrew Stubbs <ams@codesourcery.com>
gcc/testsuite/
* gcc.dg/vect/pr65947-8.c: Change pass conditions for amdgcn.
From-SVN: r279521
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PR lto/92972
* lto-wrapper.c (merge_and_complain): Use just "-fno-pie" instead of
big ? "-fno-pie" : "-fno-pie". Formatting fixes. Fix comment typo.
From-SVN: r279520
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before turning off all the...
* gcc-interface/trans.c (Pragma_to_gnu) <Pragma_Warnings>: Push a
diagnostics state for pragma Warnings (Off) before turning off all
the warnings and only pop it for pragma Warnings (On).
From-SVN: r279519
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2019-12-18 Justin Squirek <squirek@adacore.com>
gcc/ada/
* sem_ch6.adb (Analyze_Function_Return): Modify handling of
extended return statements to check accessibility of access
discriminants.
(Check_Aggregate_Accessibility): Removed.
(Check_Return_Obj_Accessibility): Added to centralize checking
of return aggregates and subtype indications in the case of an
extended return statement.
From-SVN: r279518
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2019-12-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-regpat.adb (Parse_Literal, Parse_Piece): Ensure
Expr_Flags is always fully initialized.
From-SVN: r279517
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2019-12-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-atopar.ads, libgnat/s-atopex.ads (Atomic_Type): Can
now be marked Atomic. This requires marking the unit Ada 202x.
From-SVN: r279516
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2019-12-18 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/a-nbnbin.ads, libgnat/a-nbnbin.adb,
libgnat/a-nbnbre.ads, libgnat/a-nbnbre.adb: Replace
Optional_Big_* types by a simple check and exception raise in
Get_Bignum.
(Set_Bignum): Arg should be 'out' and not 'in out'.
(Invalid_Big_Integer, No_Big_Real): Removed.
(Is_Valid): Now convention Intrinsic.
From-SVN: r279515
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2019-12-18 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* doc/gnat_rm/implementation_defined_pragmas.rst,
doc/gnat_rm/obsolescent_features.rst,
doc/gnat_ugn/gnat_and_program_execution.rst, exp_attr.adb,
exp_ch9.adb, init.c, libgnat/s-valrea.adb, par-ch6.adb,
sem_attr.adb, sem_ch4.adb, sem_util.ads: Fix trivial typos.
* gnat_rm.texi, gnat_ugn.texi: Regenerate.
From-SVN: r279514
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2019-12-18 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* sem_res.adb (Resolve_Type_Conversion): Add handling for access
types with designated operand and target types that are
referenced in places that have a limited view of an interface
type by retrieving the nonlimited view when it exists. Add ???
comments related to missing limited_with_clause handling for
Target (in the non-access case).
From-SVN: r279513
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2019-12-18 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* par-ch12.adb (P_Formal_Derived_Type_Definition): In Ada_2020
the keyword WITH can indicate the start of aspect specifications
and not a private type extension.
* sem_ch12.adb (Analyze_Formal_Type): Indicate that it is a
first subtype.
(Instantiate_Type): New procedure
Check_Shared_Variable_Control_Aspects to verify matching rules
between formal and actual types. Note that an array type with
aspect Atomic_Components is considered compatible with an array
type whose component type is Atomic, even though the array types
do not carry the same aspect.
* sem_ch13.adb (Analyze_One_Aspect): Allow shared variable
control aspects to appear on formal types.
(Rep_Item_Too_Early): Exclude aspects on formal types.
* sem_prag.adb (Mark_Type): Handle properly pragmas that come
from aspects on formal types.
(Analyze_Pragma, case Atomic_Components): Handle formal types.
From-SVN: r279512
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2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* cstand.adb (Create_Standard): Remove duplicate line and
adjust.
From-SVN: r279511
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2019-12-18 Javier Miranda <miranda@adacore.com>
gcc/ada/
* debug.adb: Document -gnatd_K as a reserved switch for the
detection of known problem issues of previous releases.
From-SVN: r279510
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2019-12-18 Ghjuvan Lacambre <lacambre@adacore.com>
gcc/ada/
* par-ch13.adb: Check if declarations allow aspect
specifications.
From-SVN: r279509
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2019-12-18 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* einfo.ads (Is_Ghost_Entity): Fix typo in comment.
From-SVN: r279508
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2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* layout.adb (Layout_Type): In the case of composite types, do
not copy the Esize onto the RM_Size if the latter is not set.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>:
Also cap the alignment if an Object_Size clause has been
specified. Pass VAR_DECL in the call to validate_size for the
Esize of a type.
(validate_size): Be prepared to give an error on an Object_Size
clause.
From-SVN: r279507
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2019-12-18 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* einfo.ads (Handling of Type'Size Value): Add references to the
introduction of Object_Size in Ada 2020.
* sem_eval.adb (Subtypes_Statically_Match): Likewise.
From-SVN: r279506
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2019-12-18 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch3.adb (Derive_Subprogram): Do not set the
Requires_Overriding flag in the above-mentioned case.
From-SVN: r279505
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2019-12-18 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_ch8.adb (Note_Redundant_Use): It was already checking for
a use clause in the visible part of the child. Add an additional
check for a use clause in the context clause of the child.
From-SVN: r279504
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From-SVN: r279483
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gcc/c-family/ChangeLog:
PR c++/61339
* c.opt (-Wmismatched-tags, -Wredundant-tags): New options.
gcc/cp/ChangeLog:
PR c++/61339
* parser.c (cp_parser_maybe_warn_enum_key): New function.
(class_decl_loc_t): New class.
(cp_parser_elaborated_type_specifier): Call
cp_parser_maybe_warn_enum_key.
(cp_parser_class_head): Call cp_parser_check_class_key.
(cp_parser_check_class_key): Add arguments. Call class_decl_loc_t::add.
(c_parse_file): Call class_decl_loc_t::diag_mismatched_tags.
gcc/testsuite/ChangeLog:
PR c++/61339
* g++.dg/warn/Wmismatched-tags.C: New test.
* g++.dg/warn/Wredundant-tags.C: New test.
* g++.dg/pch/Wmismatched-tags.C: New test.
* g++.dg/pch/Wmismatched-tags.Hs: New test header.
gcc/ChangeLog:
PR c++/61339
* doc/invoke.texi (-Wmismatched-tags, -Wredundant-tags): Document
new C++ options.
From-SVN: r279480
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2019-12-12 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/predicates.md (add_operand): Allow eI constants.
* config/rs6000/rs6000.md (add<mode>3): Add alternative to
generate PADDI for 34-bit constants if -mcpu=future.
From-SVN: r279476
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2019-12-17 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000.md (movsi_internal1): Add alternative to
use PLI to load up 32-bit constants if -mcpu=future.
From-SVN: r279475
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2019-12-17 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000.c (num_insns_constant_gpr): Return 1 if the
constant can be loaded with PLI if -mcpu=future.
* config/rs6000/rs6000.md (movdi_internal64): Add alternative to
use PLI to load up 34-bit constants if -mcpu=future.
From-SVN: r279474
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We changed months back to use the pre-generic form for constexpr evaluation,
but explain_invalid_constexpr_fn was still using DECL_SAVED_TREE. This
mostly works, but misses some issues due to folding. So with this patch we
save the pre-generic form of constexpr functions even when we know they
can't produce a constant result.
* constexpr.c (register_constexpr_fundef): Do store the body of a
template instantiation that is not potentially constant.
(explain_invalid_constexpr_fn): Look it up.
(cxx_eval_call_expression): Check fundef->result.
From-SVN: r279473
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The variable templates patch way back when forgot to add handling here. The
simplest answer seems to be recursing to the underlying declaration.
* decl.c (redeclaration_error_message): Recurse for variable
templates.
From-SVN: r279472
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From-SVN: r279471
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parameter)
PR c++/59655
* pt.c (push_tinst_level_loc): If limit_bad_template_recursion,
set TREE_NO_WARNING on tldcl.
* decl2.c (no_linkage_error): Treat templates with TREE_NO_WARNING
as defined during error recovery.
* g++.dg/cpp0x/diag3.C: New test.
From-SVN: r279470
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PR target/92841
* config/i386/i386.md (@stack_protect_set_1_<mode>,
@stack_protect_test_1_<mode>): Use output_asm_insn.
(*stack_protect_set_2_<mode>, *stack_protect_set_3): New define_insns
and corresponding define_peephole2s.
* gcc.target/i386/pr92841.c: New test.
From-SVN: r279468
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Apologies everyone. :-(
From-SVN: r279466
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
gcc/testsuite/
* gcc.dg/vect/pr65947-8.c: Change pass conditions for amdgcn.
* gcc.dg/vect/vect-multitypes-11.c: Ensure that main isn't vectorized.
* gcc.dg/vect/vect-multitypes-12.c: Likewise.
From-SVN: r279465
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are external.
* symtab.c (symtab_node::get_partitioning_class): Aliases of external
symbols are external.
From-SVN: r279464
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This patch extends support for -mpure-code to all thumb-1 processors,
by removing the need for MOVT.
Symbol addresses are built using upper8_15, upper0_7, lower8_15 and
lower0_7 relocations, and constants are built using sequences of
movs/adds and lsls instructions.
The extension of the *thumb1_movhf pattern uses always the same size
(6) although it can emit a shorter sequence when possible. This is
similar to what *arm32_movhf already does.
CASE_VECTOR_PC_RELATIVE is now false with -mpure-code, to avoid
generating invalid assembly code with differences from symbols from
two different sections (the difference cannot be computed by the
assembler).
Tests pr45701-[12].c needed a small adjustment to avoid matching
upper8_15 when looking for the r8 register.
Test no-literal-pool.c is augmented with __fp16, so it now uses
-mfp16-format=ieee.
Test thumb1-Os-mult.c generates an inline code sequence with
-mpure-code and computes the multiplication by using a sequence of
add/shift rather than using the multiply instruction, so we skip it in
presence of -mpure-code.
With -mcpu=cortex-m0, the pure-code/no-literal-pool.c fails because
code like:
static char *p = "Hello World";
char *
testchar ()
{
return p + 4;
}
generates 2 indirections (I removed non-essential directives/code)
.section .rodata
.LC0:
.ascii "Hello World\000"
.data
p:
.word .LC0
.section .rodata
.LC2:
.word p
.section .text,"0x20000006",%progbits
testchar:
push {r7, lr}
add r7, sp, #0
movs r3, #:upper8_15:#.LC2
lsls r3, #8
adds r3, #:upper0_7:#.LC2
lsls r3, #8
adds r3, #:lower8_15:#.LC2
lsls r3, #8
adds r3, #:lower0_7:#.LC2
ldr r3, [r3]
ldr r3, [r3]
adds r3, r3, #4
movs r0, r3
mov sp, r7
@ sp needed
pop {r7, pc}
By contrast, when using -mcpu=cortex-m4, the code looks like:
.section .rodata
.LC0:
.ascii "Hello World\000"
.data
p:
.word .LC0
testchar:
push {r7}
add r7, sp, #0
movw r3, #:lower16:p
movt r3, #:upper16:p
ldr r3, [r3]
adds r3, r3, #4
mov r0, r3
mov sp, r7
pop {r7}
bx lr
I haven't found yet how to make code for cortex-m0 apply upper/lower
relocations to "p" instead of .LC2. The current code looks functional,
but could be improved.
2019-10-18 Christophe Lyon <christophe.lyon@linaro.org>
gcc/
* config/arm/arm-protos.h (thumb1_gen_const_int): Add new prototype.
* config/arm/arm.c (arm_option_check_internal): Remove restriction
on MOVT for -mpure-code.
(thumb1_gen_const_int): New function.
(thumb1_legitimate_address_p): Support -mpure-code.
(thumb1_rtx_costs): Likewise.
(thumb1_size_rtx_costs): Likewise.
(arm_thumb1_mi_thunk): Likewise.
* config/arm/arm.h (CASE_VECTOR_PC_RELATIVE): Likewise.
* config/arm/thumb1.md (thumb1_movsi_symbol_ref): New.
(*thumb1_movhf): Support -mpure-code.
gcc/testsuite/
* gcc.target/arm/pr45701-1.c: Adjust for -mpure-code.
* gcc.target/arm/pr45701-2.c: Likewise.
* gcc.target/arm/pure-code/no-literal-pool.c: Add tests for
__fp16.
* gcc.target/arm/pure-code/pure-code.exp: Remove thumb2 and movt
conditions.
* gcc.target/arm/thumb1-Os-mult.c: Skip if -mpure-code is used.
From-SVN: r279463
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
* tree-vect-loop.c (vect_create_epilog_for_reduction): Mention pr92772
in the comments.
From-SVN: r279460
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/gcn/gcn-valu.md (extract_last_<mode>): New expander.
(fold_extract_last_<mode>): New expander.
gcc/testsuite/
* lib/target-supports.exp
(check_effective_target_vect_fold_extract_last): Add amdgcn.
From-SVN: r279459
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2019-12-17 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/gcn/gcn.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
(CTZ_DEFINED_VALUE_AT_ZERO): Define.
* config/gcn/gcn.md (s_mnemonic): Add clz and ctz.
(expander): Likewise.
(countzeros): New code iterator.
(<expander>si2): New insn pattern.
(<expander>di2): New insn pattern.
From-SVN: r279458
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WBNOINVD)
PR target/92962
* common/config/i386/i386-common.c (processor_alias_table): Formatting
fixes.
* doc/invoke.texi (bdver3, bdver4, znver1): Add missing closing paren.
(znver2): Likewise. Add RDPID and WBNOINVD, remove spurious comma
before CLWB.
From-SVN: r279455
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2019-12-17 Hongyu Wang <hongyu.wang@intel.com>
gcc/
PR target/92651
* config/i386/i386.h (TARGET_EXPAND_ABS): New macro.
* config/i386/x86-tune.def (X86_TUNE_EXPAND_ABS): New.
* config/i386/i386.md (abs<SWI48x>2): New define_expand.
gcc/testsuite
* gcc.target/i386/pr92651.c: New testcase.
From-SVN: r279452
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Since except for Bonnell,
01 fb add %edi,%ebx
is faster and shorter than
8d 1c 1f lea (%rdi,%rbx,1),%ebx
we should use add for a = a + b and a = b + a when possible if not
optimizing for Bonnell.
Tested on x86-64.
2019-12-17 H.J. Lu <hjl.tools@gmail.com>
gcc/
PR target/92807
* config/i386/i386.c (ix86_lea_outperforms): Check !TARGET_BONNELL.
(ix86_avoid_lea_for_addr): When not optimizing for Bonnell, use add
for a = a + b and a = b + a.
gcc/testsuite/
PR target/92807
* gcc.target/i386/pr92807-1.c: New test.
From-SVN: r279451
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From-SVN: r279450
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It seems we need to unshare even non-CONSTRUCTOR expressions that we are
going to stick in the constexpr_call_table, so we don't end up sharing the
same e.g. ADDR_EXPR between two different functions. I now think I
understand why unsharing CONSTRUCTOR arguments was improving memory
performance: separating the arguments from the caller function allows the
caller function to be GC'd better. But it occurs to me that we don't need
to unshare until we decide that we're evaluating and caching this call, so
we can avoid the CONSTRUCTOR unshare/free pair for tentative arguments.
Freeing the tentative TREE_VEC still seems worth doing, so free_bindings
isn't going away entirely.
* constexpr.c (cxx_bind_parameters_in_call): Don't unshare.
(cxx_eval_call_expression): Unshare all args if we're caching.
From-SVN: r279447
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gcc/ChangeLog:
* builtins.c (compute_objsize): Adjust offset by the array low bound.
From-SVN: r279445
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gcc/ChangeLog:
* pretty-print.c (pp_write_text_as_html_like_dot_to_stream): New
function.
* pretty-print.h (pp_write_text_as_html_like_dot_to_stream): New decl.
From-SVN: r279444
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It turns out we still used hardcoded register numbers for the CR fields
in some cases, and they now use the wrong numbers since we renumbered
most of the registers. So let's use the symbolic names, instead.
* config/rs6000/rs6000.md (movsi_to_cr_one): Use CR0_REGNO instead of
hardcoding the (old, expired) register number.
(*mtcrfsi): Ditto.
From-SVN: r279443
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contrib/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config-list.mk: Add msp430-elfbare.
gcc/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config.gcc: s/msp430*-*-*/msp430-*-*.
Handle msp430-*-elfbare.
* config/msp430/msp430-devices.c (TARGET_SUBDIR): Define.
(_MSPMKSTR): Define.
(__MSPMKSTR): Define.
(rest_of_devices_path): Use TARGET_SUBDIR value in string.
* config/msp430/msp430.c (msp430_option_override): Error if
-fuse-cxa-atexit is used when it has been disabled at configure time.
* config/msp430/t-msp430: Define TARGET_SUBDIR when building
msp430-devices.o.
* doc/install.texi: Document msp430-*-elf and msp430-*-elfbare.
* doc/invoke.texi: Update documentation about which path devices.csv is
searched for.
gcc/testsuite/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* g++.dg/init/dso_handle1.C: Require cxa_atexit support.
* g++.dg/init/dso_handle2.C: Likewise.
* g++.dg/other/cxa-atexit1.C: Likewise.
* gcc.target/msp430/msp430.exp: Update csv-using-installed.c test to
handle msp430-elfbare configuration.
libgcc/ChangeLog:
2019-12-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* config.host: s/msp430*-*-elf/msp430-*-elf*.
Override default "extra_parts" variable.
* configure: Regenerate.
* configure.ac: Disable TM clone registry by default for
msp430-elfbare.
From-SVN: r279442
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.adb (Handle_Serious_Error): Disable the above-mentioned
warnings.
From-SVN: r279441
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.adb, errout.ads: Improve comments.
From-SVN: r279440
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* sem_util.ads: Minor comment fix.
From-SVN: r279439
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2019-12-16 Bob Duff <duff@adacore.com>
gcc/ada/
* errout.ads, errout.adb (Is_Size_Too_Small_Message): Check for
"size for" instead of "size for& too small, minimum allowed is
^".
From-SVN: r279438
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2019-12-16 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Set only
the RM_Size on the subtype built for a Component_Size clause
when the component type is a biased integer type.
From-SVN: r279437
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