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From: "dave.anglin at bell dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/114103] FAIL: 29_atomics/atomic/lock_free_aliases.cc 
 -std=gnu++20 (test for excess errors)
Date: Wed, 28 Feb 2024 01:04:26 +0000
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X-Bugzilla-Keywords: patch, testsuite-fail
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114103

--- Comment #9 from dave.anglin at bell dot net ---
On 2024-02-27 9:32 a.m., redi at gcc dot gnu.org wrote:
> Patch posted:
> https://gcc.gnu.org/pipermail/gcc-patches/2024-February/646619.html
Caused build error:

libtool: compile:=C2=A0 /home/dave/gnu/gcc/objdir64/./gcc/xgcc -shared-libg=
cc
-B/home
/dave/gnu/gcc/objdir64/./gcc -nostdinc++
-L/home/dave/gnu/gcc/objdir64/hppa64-hp
-hpux11.11/libstdc++-v3/src
-L/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/li
bstdc++-v3/src/.libs
-L/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++
-v3/libsupc++/.libs -B/opt/gnu64/gcc/gcc-14/hppa64-hp-hpux11.11/bin/
-B/opt/gnu6
4/gcc/gcc-14/hppa64-hp-hpux11.11/lib/ -isystem
/opt/gnu64/gcc/gcc-14/hppa64-hp-h
pux11.11/include -isystem /opt/gnu64/gcc/gcc-14/hppa64-hp-hpux11.11/sys-inc=
lude
-fno-checking -I/home/dave/gnu/gcc/gcc/libstdc++-v3/../libgcc=20
-I/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/hppa=
64-hp-hpux11.11=20
-I/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include
-I/home/dave/gnu/gcc/gcc/libstdc++-v3/libsupc++ -std=3Dgnu++20=20
-D_GLIBCXX_SHARED -fno-implicit-templates -Wall -Wextra -Wwrite-strings
-Wcast-qual -Wabi=3D2 -fdiagnostics-show-location=3Donce -ffunction-section=
s=20
-fdata-sections -frandom-seed=3Dtzdb.lo -fimplicit-templates -O2 -g -I. -c
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc=C2=A0 -DPIC=20
-D_GLIBCXX_SHARED -o tzdb.o
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:654:9: error:
'atomic_signed_lock_free' does not name a type
 =C2=A0 654 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 atomic_signed=
_lock_free counter{0};
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 ^~~~~~~~~~~~~~~~~~~~~~~
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:706:18: error:
'atomic_signed_lock_free' was not declared in this scope; did you mean=20
'atomic_is_lock_free'?
 =C2=A0 706 |=C2=A0=C2=A0=C2=A0=C2=A0 RulesCounter<atomic_signed_lock_free>=
 rules_counter;
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^~~~~~~~~~~~~~=
~~~~~~~~~
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 atomic_is_lock=
_free
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:706:41: error: template
argument 1 is invalid
 =C2=A0 706 |=C2=A0=C2=A0=C2=A0=C2=A0 RulesCounter<atomic_signed_lock_free>=
 rules_counter;
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc: In member function 'void
std::chrono::time_zone::_Impl::RulesCounter<_Tp>::increment()':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:658:11: error: 'counter' =
was
not declared in this scope; did you mean 'count'?
 =C2=A0 658 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 { counter.fet=
ch_add(1, memory_order::relaxed); }
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 ^~~~~~~
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 count
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc: In member function 'void
std::chrono::time_zone::_Impl::RulesCounter<_Tp>::decrement()':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:668:17: error: 'counter' =
was
not declared in this scope; did you mean 'count'?
 =C2=A0 668 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 i=
f (++counter =3D=3D 0)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^~~~~~~
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 count
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc: In member function 'void
std::chrono::time_zone::_Impl::RulesCounter<_Tp>::lock()':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:679:25: error: 'counter' =
was
not declared in this scope; did you mean 'count'?
 =C2=A0 679 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 f=
or (auto c =3D counter.load(memory_order::relaxed); c !=3D 0;)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^~~~~~~
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 count
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc: In member function 'void
std::chrono::time_zone::_Impl::RulesCounter<_Tp>::unlock()':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:697:24: error: 'counter' =
was
not declared in this scope; did you mean 'count'?
 =C2=A0 697 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 i=
f (auto c =3D counter.load(memory_order::relaxed); c < 0)
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 ^~~~~~~
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 count
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc: In member function
'std::chrono::sys_info=20
std::chrono::time_zone::_M_get_sys_info(std::chrono::sys_seconds) const':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:969:32: error: request for
member 'decrement' in '((const=20
std::chrono::time_zone*)this)->std::chrono::time_zone::_M_impl.std::unique_=
ptr<std::chrono::time_zone::_Impl>::operator->()->std::chrono::time_zone::_=
Impl::rules_counter',=20
which is of non-class type 'int'
 =C2=A0 969 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 _M_impl->rule=
s_counter.decrement();
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^~~~~=
~~~~
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc: In function 'const
std::chrono::tzdb& std::chrono::reload_tzdb()':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:1488:38: error: request f=
or
member 'increment' in=20
'impl.std::chrono::time_zone::_Impl::rules_counter', which is of non-class =
type
'int'
 =C2=A01488 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 impl.rules_counter.increme=
nt();
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^~~~~~~~~
In file included from
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/a=
tomic_wait.h:51,
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 from
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/a=
tomic_base.h:42,
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 from
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/atomic=
:50,
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 from ../../../../../gcc/libstdc++-v3/src/c++20/tzd=
b.cc:35:
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/s=
td_mutex.h:
In instantiation of=20
'std::lock_guard<_Mutex>::lock_guard(mutex_type&) [with _Mutex =3D int;
mutex_type =3D int]':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:779:43:=C2=A0=C2=A0 requi=
red from here
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:1488:38: error: 779 |=C2=
=A0=C2=A0=C2=A0=C2=A0
lock_guard lock(_M_impl->rules_counter);
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:1488:38: error:=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/s=
td_mutex.h:250:19:
error: request for member 'lock' in=20
'((std::lock_guard<int>*)this)->std::lock_guard<int>::_M_device', which is =
of
non-class type 'std::lock_guard<int>::mutex_type' {aka 'int'}
 =C2=A0 250 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 { _M_device.lock(); }
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 ~~~~~~~~~~^~~~
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/s=
td_mutex.h:
In instantiation of=20
'std::lock_guard<_Mutex>::~lock_guard() [with _Mutex =3D int]':
../../../../../gcc/libstdc++-v3/src/c++20/tzdb.cc:779:43:=C2=A0=C2=A0 requi=
red from here
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/s=
td_mutex.h:250:19:
error:=C2=A0=C2=A0 779 |=C2=A0=C2=A0=C2=A0=C2=A0 lock_guard=20
lock(_M_impl->rules_counter);
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/s=
td_mutex.h:250:19:
error:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=20
|=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^
/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/s=
td_mutex.h:257:19:
error: request for member 'unlock' in=20
'((std::lock_guard<int>*)this)->std::lock_guard<int>::_M_device', which is =
of
non-class type 'std::lock_guard<int>::mutex_type' {aka 'int'}
 =C2=A0 257 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 { _M_device.unlock(); }
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 ~~~~~~~~~~^~~~~~
make[6]: *** [Makefile:754: tzdb.lo] Error 1=