[Bug libstdc++/79348] abi_check fails on s390x (2 undesignated symbols)

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79348

--- Comment #5 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
The test failure has started with r238647:

    Move allocator in std::string and RB tree move constructors

        PR libstdc++/71964
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
        (basic_string::_Alloc_hider(pointer, _Alloc&&)): Add constructor.
        * include/bits/stl_tree.h (_Rb_tree(_Rb_tree&&)): Move allocator.
        * testsuite/21_strings/basic_string/allocator/71964.cc: New test.
        * testsuite/23_containers/set/allocator/71964.cc: New test.

    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238647
138bc75d-0d04-0410-96