Jiri Daněk created QPID-8630:
--------------------------------
Summary: [broker-cpp] Compilation failure on Fedora 38 in
src/qpid/sys/epoll/EpollPoller.cpp:183:29 from -Werror=dangling-pointer
Key: QPID-8630
URL: https://issues.apache.org/jira/browse/QPID-8630
Project: Qpid
Issue Type: Bug
Components: C++ Broker
Affects Versions: qpid-cpp-1.40.0
Reporter: Jiri Daněk
https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wdangling-pointer=
{noformat}
[ 48%] Building CXX object src/CMakeFiles/qpidcommon.dir/qpid/AclHost.cpp.o
In file included from /usr/include/c++/13/set:62,
from
/home/jdanek/repos/qpid/qpid-cpp/src/qpid/sys/epoll/EpollPoller.cpp:36:
In member function ‘void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare,
_Alloc>::swap(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&) [with
_Key = qpid::sys::PollerHandle*; _Val = qpid::sys::PollerHandle*; _KeyOfValue =
std::_Identity<qpid::sys::PollerHandle*>; _Compare =
std::less<qpid::sys::PollerHandle*>; _Alloc =
std::allocator<qpid::sys::PollerHandle*>]’,
inlined from ‘void std::set<_Key, _Compare, _Alloc>::swap(std::set<_Key,
_Compare, _Alloc>&) [with _Key = qpid::sys::PollerHandle*; _Compare =
std::less<qpid::sys::PollerHandle*>; _Alloc =
std::allocator<qpid::sys::PollerHandle*>]’ at
/usr/include/c++/13/bits/stl_set.h:443:18,
inlined from ‘void qpid::sys::HandleSet::cleanup()’ at
/home/jdanek/repos/qpid/qpid-cpp/src/qpid/sys/epoll/EpollPoller.cpp:184:17:
/usr/include/c++/13/bits/stl_tree.h:2092:36: error: storing the address of
local variable ‘copy’ in ‘*MEM[(struct _Rb_tree_node_base * &)© +
16].std::_Rb_tree_node_base::_M_parent’
[]8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wdangling-pointer=-Werror=dangling-pointer=]8;;]
2092 | __t._M_root()->_M_parent = __t._M_end();
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
/home/jdanek/repos/qpid/qpid-cpp/src/qpid/sys/epoll/EpollPoller.cpp: In member
function ‘void qpid::sys::HandleSet::cleanup()’:
/home/jdanek/repos/qpid/qpid-cpp/src/qpid/sys/epoll/EpollPoller.cpp:183:29:
note: ‘copy’ declared here
183 | std::set<PollerHandle*> copy;
| ^~~~
/home/jdanek/repos/qpid/qpid-cpp/src/qpid/sys/epoll/EpollPoller.cpp:183:29:
note: ‘copy.std::set<qpid::sys::PollerHandle*,
std::less<qpid::sys::PollerHandle*>, std::allocator<qpid::sys::PollerHandle*>
>::_M_t.std::_Rb_tree<qpid::sys::PollerHandle*, qpid::sys::PollerHandle*,
std::_Identity<qpid::sys::PollerHandle*>, std::less<qpid::sys::PollerHandle*>,
std::allocator<qpid::sys::PollerHandle*>
>::_M_impl.std::_Rb_tree<qpid::sys::PollerHandle*, qpid::sys::PollerHandle*,
std::_Identity<qpid::sys::PollerHandle*>, std::less<qpid::sys::PollerHandle*>,
std::allocator<qpid::sys::PollerHandle*>
>::_Rb_tree_impl<std::less<qpid::sys::PollerHandle*>,
true>::<unnamed>.std::_Rb_tree_header::_M_header.std::_Rb_tree_node_base::_M_parent’
declared here
{noformat}
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
