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gcc/ChangeLog:
* doc/extend.texi (Function Attributes): Clarify C++ aspects.
(Variable Attributes): Same.
(Type Attributes): Same.
From-SVN: r267064
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The testcase uses REs like {(?n)\m_*bar[.$_]constprop[.$_]0:} to find
what functions are defined. But, this also matches lines like
.L.bar.constprop.0:(which are used on powerpc64-linux).
The "(?n)" doesn't do anything here either. We should use "^" here
instead of just "\m".
PR testsuite/88318
* gcc.dg/independent-cloneids-1.c: Use ^ not \m.
From-SVN: r267063
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* config/aarch64/aarch64.c (aarch64_override_options): Once arch,
cpu and tune were validated, insert SUBTARGET_OVERRIDE_OPTIONS if
defined.
From-SVN: r267060
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* config/aarch64/aarch64.c (PROBE_STACK_FIRST_REG) : Redefine as
R9_REGNUM instead of 9.
(PROBE_STACK_SECOND_REG): Redefine as R10_REGNUM instead of 10.
From-SVN: r267059
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From-SVN: r267058
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Although filesystem::path::iterator is only a bidirectional iterator,
the underlying sequence has random access iterators (specifically, raw
pointers). This means std::distance and std::advance can be implemented
more efficiently than the generic versions which apply ++ and --
repeatedly.
PR libstdc++/71044 (partial)
* include/bits/fs_path.h (__path_iter_distance, __path_iter_advance):
New friend functions to implement std::distance and std::advance more
efficiently.
(distance, advance): Add overloads for path::iterator.
* testsuite/27_io/filesystem/path/itr/components.cc: Test new
overload.
From-SVN: r267057
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Ensure we don't try to instantiate __is_constructible_from<void, void>,
because there are two partial specializations that are equally good
matches.
PR libstdc++/80762
* include/bits/fs_path.h (path::_Path): Use remove_cv_t and is_void.
* include/experimental/bits/fs_path.h (path::_Path): Likewise.
* testsuite/27_io/filesystem/path/construct/80762.cc: New test.
* testsuite/experimental/filesystem/path/construct/80762.cc: New test.
From-SVN: r267056
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This test currently fails unexpectedly if GCC is configured with
--disable-gcov, because it requires -fprofile-arcs. This patch
fixes the issue by requiring profiling support in order to run
this test.
Tested with two compilers, one built with --disable-gcov, resulting
in the test reporting an UNSUPPORTED result; and one built with gcov
support, resulting in 2 PASS tests.
gcc/testsuite/ChangeLog:
* gcc.dg/lto/20100430-1_0.c: Add dg-require-profiling requirement.
From-SVN: r267055
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Add test-case that forces alloc.c functions to fail, and check whether fail
handling is robust.
This is the test-case for "[libbacktrace] Fix segfault upon allocation
failure". Without that patch, this test-case fails like this:
...
allocfail.sh: line 71: 26041 Segmentation fault (core dumped) \
./allocfail $i > /dev/null 2>&1
Unallowed fail found: 13
FAIL allocfail.sh (exit status: 1)
...
This is a seperate patch because the test-case is nontrivial.
Bootstrapped and reg-tested on x86_64.
2018-12-12 Tom de Vries <tdevries@suse.de>
* Makefile.am (TESTS): Add allocfail.sh.
(check_PROGRAMS): Add allocfail.
* Makefile.in: Regenerate.
* instrumented_alloc.c: New file. Redefine malloc and realloc.
Include alloc.c.
* allocfail.c: New file.
* allocfail.sh: New file.
From-SVN: r267054
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PR target/86806
* config/sparc/sparc.md (unspecv): Add UNSPECV_SPECULATION_BARRIER.
(speculation_barrier): New instruction for V9.
From-SVN: r267053
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* config/linux/ia64/futex.h (sys_futex0): Don't mark r12 as
clobbered.
From-SVN: r267052
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Currently, .cfi_endproc and FUNC_END(__trampoline_setup) are placed
inside the #else branch of an "#if defined (__VXWORKS__) ...", so
non-pic vxworks does not get proper CFI nor a .size directive for
__trampoline_setup. I assume there's no magic reason for that (which
would warrant a comment), so move them outside.
From-SVN: r267051
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This add the hunk
(macho_call_template): Remove.
missed from r267049
From-SVN: r267050
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The PR is about unnecessary saves of the pic base register, it shows on m32 Linux and m32/m64 Darwin.
The fix is to check that we are in a pic mode and that the picbase has actually been used.
As a bonus, some #ifdef’d TARGET_MACHO code is no longer required.
2018-12-12 Segher Boessenkool <segher@kernel.crashing.org>
Iain Sandoe <iain@sandoe.co.uk>
PR target/88343
* config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg
unless it has been used.
(first_reg_to_save): Remove dead code.
Co-Authored-By: Iain Sandoe <iain@sandoe.co.uk>
From-SVN: r267049
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This patch mormalises Darwin's call handling to match the scheme
recently introduced and gives it target-specific call expanders.
2018-12-12 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/rs6000-protos.h (rs6000_call_darwin): New.
(rs6000_sibcall_darwin): New. (macho_call_template): Remove.
* config/rs6000/rs6000.c (get_prev_label): Forward declaration.
(rs6000_call_template_1): Handle Darwin.
(macho_call_template): Remove.
(rs6000_call_sysv): Remove handling for Darwin.
(rs6000_call_darwin_1, rs6000_call_darwin): New
(rs6000_sibcall_darwin): New.
* config/rs6000/rs6000.md (define_expand “call”): Handle Darwin
with its own expander. (define_expand “call_value”): Likewise.
(define_expand “sibcall”): Likewise.
(define_expand “sibcall_value”): Likewise.
(call_nonlocal_sysv): Remove Darwin special-casing.
(call_value_nonlocal_sysv): Likewise.
From-SVN: r267048
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constant expressions.)
PR c++/88446
* cp-tree.h (maybe_constant_value): Add manifestly_const_eval
argument.
* constexpr.c (struct constexpr_call): Rename pretend_const_required
member to manifestly_const_eval.
(struct constexpr_ctx): Likewise.
(constexpr_call_hasher::equal): Adjust users.
(cxx_eval_builtin_function_call): Likewise. Formatting fix.
(cxx_eval_call_expression): Adjust users.
(cxx_eval_outermost_constant_expr, maybe_constant_init_1,
maybe_constant_init): Rename pretend_const_required argument to
manifestly_const_eval, adjust function comments.
(maybe_constant_value): Add manifestly_const_eval argument. If true,
don't cache and call cxx_eval_outermost_constant_expr with true as
manifestly_const_eval.
* decl.c (compute_array_index_type_loc): Call maybe_constant_value
with true as manifestly_const_eval.
* g++.dg/cpp2a/is-constant-evaluated3.C: New test.
From-SVN: r267047
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Recent changes to the lowerings for call handling in rs6000
have broken bootstrap for powerpc-darwin. This patch modifies
the calls to handle Darwin asa subset, a subsequent patch will
split Darwin out.
2018-12-12 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/darwin.md (call_indirect_nonlocal_darwin64): Remove.
(call_nonlocal_darwin64): Remove.
(call_value_indirect_nonlocal_darwin64): Remove.
(call_value_nonlocal_darwin64): Remove.
* config/rs6000/rs6000.c (rs6000_call_template_1): Handle Darwin with
the same asm output as AIX/ELFv2. (rs6000_call_sysv): Preserve the
CALL_LONG flag when needed for Darwin.
* config/rs6000/rs6000.md (define expand “call”): Expand Darwin as
per sysv.
(define_expand “call_value”): Likewise.
(define_expand “sibcall”): Likewise.
(define_expand “sibcall_value”): Likewise.
(call_indirect_nonlocal_sysv): Mark the clobber mode P.
(call_nonlocal_sysv): Likewise.
(call_nonlocal_sysv_secure): Likewise.
(call_value_indirect_nonlocal_sysv): Likewise.
(call_value_nonlocal_sysv): Likewise.
(call_value_nonlocal_sysv_secure): Likewise.
(call_local64): Mark the clobber DI.
(call_value_local64): Likewise.
From-SVN: r267046
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P0595R2 - is_constant_evaluated
* include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED):
Define if __builtin_is_constant_evaluated is available.
* include/std/type_traits (std::is_constant_evaluated): New constexpr
inline function.
* testsuite/20_util/is_constant_evaluated/1.cc: New test.
* testsuite/20_util/is_constant_evaluated/noexcept.cc: New test.
From-SVN: r267045
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call caching)
PR c++/88449
* constexpr.c (struct constexpr_call): Add pretend_const_required
member.
(constexpr_call_hasher::equal): Return false if pretend_const_required
members differ.
(cxx_eval_call_expression): Adjust new_call initialization. Hash in
ctx->pretend_const_required.
* g++.dg/cpp2a/is-constant-evaluated1.C: Change from dg-do compile
to dg-do run.
(e): Adjust comment with correct expected value.
(main): Expect e == 1.
* g++.dg/cpp2a/is-constant-evaluated2.C: New test.
From-SVN: r267044
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2018-12-11 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/88155
* primary.c (gfc_match_structure_constructor): Set the locus of
an expression to avoid a NULL pointer dereference.
2018-12-11 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/88155
* gfortran.dg/pr70870_1.f90: Update testcase to use -std=gnu.
* gfortran.dg/pr88155.f90: New test.
From-SVN: r267041
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From-SVN: r267040
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2018-12-11 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/88249
* gfortran.h: Update prototype for gfc_resolve_filepos().
* io.c (gfc_resolve_filepos): Check for UNIT number if ERR= is present.
Use passed in locus for error message.
* resolve.c (gfc_resolve_code): Pass locus in gfc_resolve_filepos()
call.
2018-12-11 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/88249
* gfortran.dg/pr88249.f90: New test.
From-SVN: r267035
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libada/
PR ada/88429
* configure.ac (default_gnatlib_target): Set to gnatlib instead of
gnatlib-plain if --disable-shared.
* configure: Regenerate.
* Makefile.in (all): Replace gnatlib prerequisite with libada.
(ADA_RTS_SUBDIR): Delete.
(libada): New target, renamed from...
(gnatlib): ...this. Merge with other library targets.
(gnatlib-plain): Delete.
(install-gnatlib): Rename to...
(install-libada): ...this.
(install): Replace install-gnatlib prerequisite with install-libada.
gcc/ada/
PR ada/88429
* gcc-interface/Makefile.in (./stamp-gnatlib1-$(RTSDIR)): Also pass
MULTISUBDIR to sub-make and add quotes around $(THREAD_KIND).
(gnatlib-shared-dual): Also pass PICFLAG_FOR_TARGET to sub-make.
(gnatlib-sjlj): Also pass MULTISUBDIR to sub-make, but do not pass
PICFLAG_FOR_TARGET.
(gnatlib-zcx): Likewise.
From-SVN: r267034
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ARM32 EABI unwinder does not define _URC_NORMAL_STOP. Instead,
it has _URC_FAILURE. Use _URC_FAILURE there.
Should fix ARM32 build.
Reviewed-on: https://go-review.googlesource.com/c/153417
From-SVN: r267033
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PR c++/87861
* class.c (build_vtbl_initializer): For TARGET_VTABLE_USES_DESCRIPTORS
bump index for each added word.
* constexpr.c (find_array_ctor_elt): Add forward declaration.
(cxx_eval_call_expression): Handle TARGET_VTABLE_USES_DESCRIPTORS
vtable calls.
(cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Divide token
by TARGET_VTABLE_USES_DESCRIPTORS if non-zero.
From-SVN: r267032
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if-conversion)
PR tree-optimization/80520
* gcc.dg/tree-ssa/split-path-11.c (foo): Make the test ilp32 target
clean.
From-SVN: r267031
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* constexpr.c (potential_constant_expression_1): Check want_rval
instead of checking if we have a decl.
* decl2.c (decl_maybe_constant_var_p): Don't consider volatile
constexpr variables as maybe constant.
* g++.dg/cpp0x/constexpr-volatile2.C: New test.
* g++.dg/cpp0x/pr65327.C: Add dg-error.
From-SVN: r267030
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build_lang_decl_loc and build_decl calls.
/cp
2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokvardecl): Add location_t parameter and use it
in build_lang_decl_loc and build_decl calls.
(grokdeclarator): Move up loc declaration and use it in the
grokvardecl call too.
/testsuite
2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* g++.dg/pr53037-4.C: Test the first two locations too.
From-SVN: r267029
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build_lang_decl_loc and build_decl calls.
/cp
2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokvardecl): Add location_t parameter and use it
in build_lang_decl_loc and build_decl calls.
(grokdeclarator): Move up loc declaration and use it in the
grokvardecl call too.
/testsuite
2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* g++.dg/pr53037-4.C: Test the first two locations too.
From-SVN: r267028
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build_lang_decl_loc and build_decl calls.
/cp
2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* decl2.c (grokvardecl): Add location_t parameter and use it
in build_lang_decl_loc and build_decl calls.
(grokdeclarator): Move up loc declaration and use it in the
grokvardecl call too.
/testsuite
2018-12-11 Paolo Carlini <paolo.carlini@oracle.com>
* g++.dg/pr53037-4.C: Test the first two locations too.
From-SVN: r267027
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integer_cst in live_on_edge, at tree-vrp.c:468; or ICE: tree check: expected ssa_name, have integer_cst in get_value_range, at vr-values.c:84)
PR tree-optimization/88444
* tree-vrp.c (register_edge_assert_for_2): Only register assertions
for conversions if rhs1 is a SSA_NAME.
* gcc.dg/pr88444.c: New test.
From-SVN: r267026
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pointer is clobbered.
gcc/
2018-12-11 Dimitar Dimitrov <dimitar@dinux.eu>
* cfgexpand.c (asm_clobber_reg_is_valid): Also produce
error when stack pointer is clobbered.
(expand_asm_stmt): Refactor clobber check in separate function.
gcc/testsuite/
2018-12-11 Dimitar Dimitrov <dimitar@dinux.eu>
* gcc.target/i386/pr52813.c: New test.
From-SVN: r267025
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* config/rs6000/vxworks.h (RS6000_STARTING_FRAME_OFFSET): Define,
accounting for STACK_BOUNDARY 128 regardless of TARGET_ALTIVEC/VSX.
(STACK_DYNAMIC_OFFSET): Likewise.
From-SVN: r267024
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PR target/88425
* config/i386/i386.md (*x86_mov<SWI48:mode>cc_0_m1_neg_leu<SWI:mode>):
New define_insn_and_split.
* gcc.target/i386/pr88425.c: New test.
From-SVN: r267023
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switch -fsanitize=float-cast-overflow)
PR sanitizer/88426
* c-convert.c (convert): Call c_fully_fold before calling
ubsan_instrument_float_cast.
* c-c++-common/ubsan/float-cast-overflow-11.c: New test.
From-SVN: r267022
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2018-12-11 Richard Biener <rguenther@suse.de>
PR middle-end/88448
PR middle-end/88415
* gimple.c (gimple_assign_set_rhs_with_ops): Revert previous
change.
* tree-complex.c (update_complex_assignment): Properly transfer
or clean EH info around gimple_assign_set_rhs_with_ops.
From-SVN: r267021
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recursion limit to 2048.
PR 88409
* demangle.h (DEMANGLE_RECURSION_LIMIT): Increase to 2048.
From-SVN: r267020
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The copysign operations will almost always be performed on values in
floating-point registers. As such, we do not want the compiler to
simplify the operations into code sequences that can only be done
using the general-purpose register set. Unfortunately, this is what
is currently happening.
Fortunately, it seems quite unlikely that copysign() will be
subsequently followed by other logical operations on the values
involved, so I think it is acceptable to use an unspec here. This
allows us to preserve the operation in a form that allows the register
allocator to make the right choice later on, without limitation on the
final form of the operation (well, if we do end up using the gp
register bank, we get a dead constant load that we cannot easily
eliminate at a late stage).
PR target/37369
* config/aarch64/iterators.md (sizem1): Add sizes for SFmode and DFmode.
(Vbtype): Add SFmode mapping.
* config/aarch64/aarch64.md (copysigndf3, copysignsf3): Delete.
(copysign<GPF:mode>3): New expand pattern.
(copysign<GPF:mode>3_insn): New insn pattern.
From-SVN: r267019
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Routines in Ada.Real_Time are already annotated with Global => null
contracts to suppress spurious warnings from the flow analysis in
GNATprove. This patch adds such contracts to Ada.Calendar. No change in
runtime behavior expected.
2018-12-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* libgnat/a-calend.ads: Add "Global => null" contracts to pure
routines.
From-SVN: r267018
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The following patch modifies the checks related to pragma
Thread_Local_Storage to correct a confusion in semantics which led to
spurious errors.
------------
-- Source --
------------
-- pack.ads
package Pack is
type Arr is array (1 .. 5) of Boolean;
type Arr_With_Default is array (1 .. 5) of Boolean
with Default_Component_Value => False;
type Int is new Integer range 1 .. 5;
type Int_With_Default is new Integer range 1 .. 5
with Default_Value => 1;
protected type Prot_Typ is
entry E;
end Prot_Typ;
type Rec_1 is record
Comp : Integer;
end record;
type Rec_2 is record
Comp : Int;
end record;
type Rec_3 is record
Comp : Int_With_Default;
end record;
task type Task_Typ is
entry E;
end Task_Typ;
end Pack;
-- pack.adb
package body Pack is
function F (Val : Int) return Int is
begin
if Val <= 1 then
return 1;
else
return F (Val - 1) * Val;
end if;
end F;
function F (Val : Int_With_Default) return Int_With_Default is
begin
if Val <= 1 then
return 1;
else
return F (Val - 1) * Val;
end if;
end F;
function F (Val : Integer) return Integer is
begin
if Val <= 1 then
return 1;
else
return F (Val - 1) * Val;
end if;
end F;
protected body Prot_Typ is
entry E when True is begin null; end E;
end Prot_Typ;
task body Task_Typ is
begin
accept E;
end Task_Typ;
Obj_1 : Arr; -- OK
pragma Thread_Local_Storage (Obj_1);
Obj_2 : Arr := (others => True); -- OK
pragma Thread_Local_Storage (Obj_2);
Obj_3 : Arr := (others => F (2) = Integer (3)); -- ERROR
pragma Thread_Local_Storage (Obj_3);
Obj_4 : Arr_With_Default; -- ERROR
pragma Thread_Local_Storage (Obj_4);
Obj_5 : Arr_With_Default := (others => True); -- OK
pragma Thread_Local_Storage (Obj_5);
Obj_6 : Arr_With_Default := (others => F (2) = Integer (3)); -- ERROR
pragma Thread_Local_Storage (Obj_6);
Obj_7 : Integer; -- OK
pragma Thread_Local_Storage (Obj_7);
Obj_8 : Integer := 1; -- OK
pragma Thread_Local_Storage (Obj_8);
Obj_9 : Integer := F (2); -- ERROR
pragma Thread_Local_Storage (Obj_9);
Obj_10 : Int; -- OK
pragma Thread_Local_Storage (Obj_10);
Obj_11 : Int := 1; -- OK
pragma Thread_Local_Storage (Obj_11);
Obj_12 : Int := F (2); -- ERROR
pragma Thread_Local_Storage (Obj_12);
Obj_13 : Int_With_Default; -- ERROR
pragma Thread_Local_Storage (Obj_13);
Obj_14 : Int_With_Default := 1; -- OK
pragma Thread_Local_Storage (Obj_14);
Obj_15 : Int_With_Default := F (2); -- ERROR
pragma Thread_Local_Storage (Obj_15);
Obj_16 : Prot_Typ; -- ERROR
pragma Thread_Local_Storage (Obj_16);
Obj_17 : Rec_1; -- OK
pragma Thread_Local_Storage (Obj_17);
Obj_18 : Rec_1 := (others => 1); -- OK
pragma Thread_Local_Storage (Obj_18);
Obj_19 : Rec_1 := (others => F (2)); -- ERROR
pragma Thread_Local_Storage (Obj_19);
Obj_20 : Rec_2; -- OK
pragma Thread_Local_Storage (Obj_20);
Obj_21 : Rec_2 := (others => 1); -- OK
pragma Thread_Local_Storage (Obj_21);
Obj_22 : Rec_2 := (others => F (2)); -- ERROR
pragma Thread_Local_Storage (Obj_22);
Obj_23 : Rec_3; -- ERROR
pragma Thread_Local_Storage (Obj_23);
Obj_24 : Rec_3 := (others => 1); -- OK
pragma Thread_Local_Storage (Obj_24);
Obj_25 : Rec_3 := (others => F (2)); -- ERROR
pragma Thread_Local_Storage (Obj_25);
Obj_26 : Task_Typ; -- ERROR
pragma Thread_Local_Storage (Obj_26);
end Pack;
----------------------------
-- Compilation and output --
----------------------------
$ gcc -c pack.adb
pack.adb:47:04: Thread_Local_Storage variable "Obj_4" is improperly
initialized
pack.adb:47:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:62:04: Thread_Local_Storage variable "Obj_9" is improperly
initialized
pack.adb:62:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:71:04: Thread_Local_Storage variable "Obj_12" is improperly
initialized
pack.adb:71:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:74:04: Thread_Local_Storage variable "Obj_13" is improperly
initialized
pack.adb:74:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:80:04: Thread_Local_Storage variable "Obj_15" is improperly
initialized
pack.adb:80:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:83:04: Thread_Local_Storage variable "Obj_16" is improperly
initialized
pack.adb:83:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:92:04: Thread_Local_Storage variable "Obj_19" is improperly
initialized
pack.adb:92:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:101:04: Thread_Local_Storage variable "Obj_22" is improperly
initialized
pack.adb:101:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:104:04: Thread_Local_Storage variable "Obj_23" is improperly
initialized
pack.adb:104:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:110:04: Thread_Local_Storage variable "Obj_25" is improperly
initialized
pack.adb:110:04: only allowed initialization is explicit "null", static
expression or static aggregate
pack.adb:113:04: Thread_Local_Storage variable "Obj_26" is improperly
initialized
pack.adb:113:04: only allowed initialization is explicit "null", static
expression or static aggregate
2018-12-11 Hristian Kirtchev <kirtchev@adacore.com>
gcc/ada/
* freeze.adb (Check_Pragma_Thread_Local_Storage): Use the
violating set to diagnose detect an illegal initialization,
rather than the complement of the OK set.
(Freeze_Object_Declaration): Factorize code in
Has_Default_Initialization.
(Has_Default_Initialization, Has_Incompatible_Initialization):
New routines.
From-SVN: r267017
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2018-12-11 Dmitriy Anisimkov <anisimko@adacore.com>
gcc/ada/
* libgnat/g-socket.ads (Family_Type): Add new enumerated value
Family_Unspec to be able to use it in Get_Address_Info parameter
and find IPv4 together with IPv6 addresses.
(Inet_Addr_Bytes_Length): Zero length for Family_Unspec. New
IPv6 predefined constant addresses.
(IPv4_To_IPv6_Prefix): IPv4 mapped to IPv6 address prefix.
(Is_IPv4_Address): Rename from Is_IP_Address and published.
(Is_IPv6_Address): New routine.
(Image of Inet_Addr_Type): Fix description about IPv6 address
text representation.
(Level_Type): New propocol level IP_Protocol_For_IPv6_Level.
(Add_Membership_V4): New socket option equal to Add_Membership.
(Drop_Membership_V4): New socket option equal to
Drop_Membership.
(Multicast_If_V4): New socket option equal to Multicast_If.
(Multicast_Loop_V4, Add_Membership_V6, Drop_Membership_V6,
Multicast_If_V6, Multicast_Loop_V6, Multicast_Hops, IPv6_Only):
New socket option for IPv6.
(Address_Info): New record to keep address info.
(Address_Info_Array): Array to keep address info records.
(Get_Address_Info): Routine to get address info records by host
and service names.
(Host_Service): Record to keep host and service names.
(Get_Name_Info): New routine to get host and service names by
address.
(Create_Socket): Add Level parameter, IP_Protocol_For_IP_Level
default.
(Name_Array, Inet_Addr_Array): Change array index to Positive.
* libgnat/g-socket.adb (IPV6_Mreq): New record definition for
IPv6.
(Hex_To_Char): Remove.
(Short_To_Network, Network_To_Short): Move to package
GNAT.Sockets.Thin_Common.
(Is_IP_Address): Remove.
(To_In_Addr, To_Inet_Addr): Move to package
GNAT.Sockets.Thin_Common.
(Get_Socket_Option): Get value of Multicast_Loop option as
integer boolean, process IPv6 options. Don't try to get
Add_Membership_V4, Add_Membership_V6, Drop_Membership_V4, and
Drop_Membership_V6 as not supported by the socket API.
(Set_Socket_Option): Set value of Multicast_Loop option as
integer boolean, process IPv6 options.
* gsocket.h
(IPV6_ADD_MEMBERSHIP): Define from IPV6_JOIN_GROUP if necessary
for VxWorks.
(IPV6_DROP_MEMBERSHIP): Define from IPV6_LEAVE_GROUP if
necessary for VxWorks
(HAVE_INET_NTOP): New definition.
(HAVE_INET_PTON): Includes VxWorks now.
* socket.c (__gnat_getaddrinfo, __gnat_getnameinfo,
__gnat_freeaddrinfo, __gnat_gai_strerror, __gnat_inet_ntop): New
routines.
* libgnat/g-sothco.ads, libgnat/g-sothco.adb
(socklen_t, In6_Addr, To_In6_Addr): New.
(To_In_Addr, To_Inet_Addr): Move from package body GNAT.Sockets.
(To_Inet_Addr): New overload with In6_Addr type parmeter.
(In_Addr_Access_Array): Remove.
(Sockaddr): Unchecked_Union instead of Sockaddr_In and old
defined generic Sockaddr.
(Set_Address): Use it to set family, port and address into
Sockaddr.
(Get_Address): New routine to get Socket_Addr_Type from
Sockaddr.
(Addrinfo): Structure to use with getaddrinfo.
(C_Getaddrinfo, C_Freeaddrinfo, C_Getnameinfo, C_GAI_Strerror,
Inet_Ntop): New routine import.
(Short_To_Network, Network_To_Short): Move from package body
GNAT.Sockets.
* libgnat/g-stsifd__sockets.adb: Use Sockaddr instead of
Sockaddr_In.
* s-oscons-tmplt.c (AF_UNSPEC, EAI_SYSTEM, SOCK_RAW,
IPPROTO_IPV6, IP_RECVERR, SIZEOF_socklen_t, IF_NAMESIZE): New
constants.
(AI_xxxx_OFFSET): Constants to consider platform differences in
field positions and sizes for addrinfo structure.
(AI_xxxxx): Flags for getaddrinfo.
(NI_xxxxx): Flags for getnameinfo.
(IPV6_xxxxx): Socket options for IPv6.
(Inet_Ntop_Linkname): New routine.
From-SVN: r267016
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While ignored ghost code is not compiled into the executable, it may
lead to compilation errors when it makes use of language features
requiring runtime support that is not available in the available runtime
library. These errors are spurious, as the executable will never call
in these runtime units.
This patch deactivates the expansion of code inside ignored ghost bodies
of subprograms and packages, so that this code is still checked for
possible semantic errors, but it does not force the presence of useless
runtime units.
There is no impact on the executable produced.
2018-12-11 Yannick Moy <moy@adacore.com>
gcc/ada/
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Deactivate
expansion in ignored ghost subprogram body.
* sem_ch7.adb (Analyze_Package_Body_Helper): Deactivate
expansion in ignored ghost package body.
gcc/testsuite/
* gnat.dg/ghost4.adb: New testcase.
From-SVN: r267015
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2018-12-11 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* exp_unst.adb (Register_Subprogram): A subprogram whose address
is taken (through attribute Address or Access) is reachable and
cannot be eliminated, even if there is no explicit call to it:
the address may be used in an indirect call or in some
address-related operation.
From-SVN: r267014
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This patch improves the handling of an improper declaaration of aspect
First for a GNAT-defined iterable type,
2018-12-11 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_util.adb (Get_Actual_Subtype): Function can return type
mark.
(Get_Cursor_Type): Improve recovery and error message on a
misplaced First aspect for an iterable type.
gcc/testsuite/
* gnat.dg/iter4.adb: New testcase.
From-SVN: r267013
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This patch updates validity checks to prevent the validation of an
by-reference formal parameter because the parameter is not being read in
the process.
2018-12-11 Hristian Kirtchev <kirtchev@adacore.com>
gcc/ada/
* checks.adb: Add with and use clauses for Sem_Mech.
(Ensure_Valid): Update the "annoying special case" to include
entry and function calls. Use Get_Called_Entity to obtain the
entry or subprogram being invoked, rather than retrieving it
manually. Parameters passed by reference do not need a validity
check.
gcc/testsuite/
* gnat.dg/valid4.adb, gnat.dg/valid4_pkg.adb,
gnat.dg/valid4_pkg.ads: New testcase.
From-SVN: r267012
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When a named number is used in Global/Depends contracts as global item,
the error message could be confusing to users new to Ada. Now the
message explains that named numbers are not objects.
For instance on the following illegal code snippet:
$ gcc -c bad_global.ads
1. package Bad_Global is
2.
3. X : constant := 1;
4. Y : constant := 1.0;
5.
6. procedure P with
7. Global => (Input => X,
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>>> global item must denote object, state or current instance
of concurrent type
>>> named number "X" is not an object
8. In_Out => Y);
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>>> global item must denote object, state or current instance
of concurrent type
>>> named number "Y" is not an object
9.
10. end Bad_Global;
2018-12-11 Yannick Moy <moy@adacore.com>
gcc/ada/
* sem_prag.adb (Analyze_Global_Item): Refine error message.
From-SVN: r267011
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2018-12-11 Ed Schonberg <schonberg@adacore.com>
gcc/ada
* exp_ch7.adb (Check_Unnesting_In_Declarations): Extend
subprogram so that it is usable for visible and private
declarations of a package declaration, not just for declarations
in the pakage body.
* exp_ch13.adb (Expand_Freeze_Entity): Handle properly the
freezing of a finalizer routine generated for a controlled objet
declaration. Special processing already applies to finalizers
because they are usually displaced into another construct.
From-SVN: r267010
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2018-12-11 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* exp_unst.adb (Unnest_Subprogram): Ensure Current_Subprogram is
always initialized.
From-SVN: r267009
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2018-12-11 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Add
gnat_annotate_type local variable initialized to Empty.
<E_Record_Subtype>: Set it to the Cloned_Subtype, if any. For
types, back-annotate alignment and size values earlier and only
if the DECL was created here; otherwise, if gnat_annotate_type
is present, take the values from it.
(gnat_to_gnu_field): Add gnat_clause local variable. If a
component clause is present, call validate_size only once on the
Esize of the component. Otherwise, in the packed case, do not
call validate_size again on the type of the component but
retrieve directly its RM size.
(components_to_record): Minor tweak.
(set_rm_size): Remove useless test.
* gcc-interface/trans.c (gnat_to_gnu): Do wrap the instance of a
boolean discriminant attached to a variant part.
From-SVN: r267008
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This patch enures that the subtype of an aggregate has the Has_Predicate
flag properly set if the array component has a predicate, including the
case the predicate function for the component has not been constructed
yet.
2018-12-11 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_aggr.adb (Array_Aggr_Subtype. Resolve_Aggr_Expr): Indicate
that aggregate subtype has a predicate if the component type has
a predicate; do not rely on exisatence of predicate function for
component, in case component is a type no yet frozen, for which
predicate function has not been created yet.
From-SVN: r267007
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