https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91170

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |WAITING

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Hm, I can't reproduce that on my openSUSE TW which should have the problematic
package:

$ zypper info pdns-recursor
...
Version        : 4.2.0-1.1                                                      

$ /usr/sbin/pdns_recursor --daemon=no --write-pid=no --disable-syslog
--log-timestamp=no --socket-dir=/tmp/ --config-dir=/etc/pdns/
Jul 23 12:32:37 Asked to run with pdns-distributes-queries set but no
distributor threads, raising to 1
PowerDNS Recursor 4.2.0 (C) 2001-2019 PowerDNS.COM BV
Using 64-bits mode. Built using gcc 9.1.1 20190611 [gcc-9-branch revision
272147].
PowerDNS comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
welcome to redistribute it according to the terms of the GPL version 2.
If using IPv6, please raise sysctl net.ipv6.route.max_size, currently set to
4096 which is < 16384
NOT using IPv6 for outgoing queries - set 'query-local-address6=::' to enable
Only allowing queries from: 127.0.0.0/8, 10.0.0.0/8, 192.168.0.0/16,
172.16.0.0/12
Will not send queries to: 127.0.0.0/8, 10.0.0.0/8, 100.64.0.0/10,
169.254.0.0/16, 192.168.0.0/16, 172.16.0.0/12, ::1/128, fc00::/7, fe80::/10,
0.0.0.0/8, 192.0.0.0/24, 192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24,
240.0.0.0/4, ::/96, ::ffff:0:0/96, 100::/64, 2001:db8::/32, 0.0.0.0, ::
PowerDNS Recursor itself will distribute queries over threads
Redirecting queries for zone 'cubes.nordisch.org' to: 172.16.16.1:53
Redirecting queries for zone '16.172.in-addr.arpa' to: 172.16.16.1:53
Inserting forward zone 'localhost' based on hosts file
Inserting reverse zone '1.0.0.127.in-addr.arpa' based on hosts file
Inserting forward zone 'i586' based on hosts file
Inserting reverse zone '157.122.168.192.in-addr.arpa' based on hosts file
Inserting forward zone 'i686' based on hosts file
Inserting reverse zone '243.122.168.192.in-addr.arpa' based on hosts file
Inserting rfc 1918 private space zones
Will not overwrite zone '16.172.in-addr.arpa' already loaded
Listening for UDP queries on 0.0.0.0:1154
Listening for UDP queries on [::]:1154
Enabled TCP data-ready filter for (slight) DoS protection
Listening for TCP queries on 0.0.0.0:1154
Listening for TCP queries on [::]:1154
Raised soft limit on number of filedescriptors to 4121 to match max-mthreads
and threads settings
Set effective group id to 441
Set effective user id to 446
Launching 1 distributor threads
Launching 2 worker threads
Done priming cache with root hints
Done priming cache with root hints
Done priming cache with root hints
Done priming cache with root hints
Enabled 'epoll' multiplexer

and I also build one from source files (w/ -flto and -O2):

$ ./pdns_recursor --daemon=no --write-pid=no --disable-syslog
--log-timestamp=no --socket-dir=/tmp/ --config-dir=/etc/pdns/
Jul 23 12:32:56 Asked to run with pdns-distributes-queries set but no
distributor threads, raising to 1
PowerDNS Recursor 0.0.17287.0.master.g34f3230a08 (C) 2001-2019 PowerDNS.COM BV
Using 64-bits mode. Built using gcc 9.1.1 20190703 [gcc-9-branch revision
273008] on Jul 23 2019 12:27:05 by mar...@marxinbox.suse.cz.
PowerDNS comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
welcome to redistribute it according to the terms of the GPL version 2.
If using IPv6, please raise sysctl net.ipv6.route.max_size, currently set to
4096 which is < 16384
NOT using IPv6 for outgoing queries - set 'query-local-address6=::' to enable
Only allowing queries from: 127.0.0.0/8, 10.0.0.0/8, 192.168.0.0/16,
172.16.0.0/12
Will not send queries to: 127.0.0.0/8, 10.0.0.0/8, 100.64.0.0/10,
169.254.0.0/16, 192.168.0.0/16, 172.16.0.0/12, ::1/128, fc00::/7, fe80::/10,
0.0.0.0/8, 192.0.0.0/24, 192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24,
240.0.0.0/4, ::/96, ::ffff:0:0/96, 100::/64, 2001:db8::/32, 0.0.0.0, ::
PowerDNS Recursor itself will distribute queries over threads
Redirecting queries for zone 'cubes.nordisch.org' to: 172.16.16.1:53
Redirecting queries for zone '16.172.in-addr.arpa' to: 172.16.16.1:53
Inserting forward zone 'localhost' based on hosts file
Inserting reverse zone '1.0.0.127.in-addr.arpa' based on hosts file
Inserting forward zone 'i586' based on hosts file
Inserting reverse zone '157.122.168.192.in-addr.arpa' based on hosts file
Inserting forward zone 'i686' based on hosts file
Inserting reverse zone '243.122.168.192.in-addr.arpa' based on hosts file
Inserting rfc 1918 private space zones
Will not overwrite zone '16.172.in-addr.arpa' already loaded
Listening for UDP queries on 0.0.0.0:1154
Listening for UDP queries on [::]:1154
Enabled TCP data-ready filter for (slight) DoS protection
Listening for TCP queries on 0.0.0.0:1154
Listening for TCP queries on [::]:1154
Raised soft limit on number of filedescriptors to 4121 to match max-mthreads
and threads settings
Set effective group id to 441
Set effective user id to 446
Launching 1 distributor threads
Launching 2 worker threads
Done priming cache with root hints
Done priming cache with root hints
Done priming cache with root hints
Done priming cache with root hints
Enabled 'epoll' multiplexer

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