056551414a
If the allocator-extended move constructor move-constructs each element into the new container, the contents of the old container are left in moved-from states. We cannot know if those states preserve the container's ordering and uniqueness guarantees, so just erase all moved-from elements. libstdc++-v3/ChangeLog: PR libstdc++/103501 * include/bits/stl_tree.h (_Rb_tree(_Rb_tree&&, false_type)): Clear container if elements have been moved-from. * testsuite/23_containers/map/allocator/move_cons.cc: Expect moved-from container to be empty. * testsuite/23_containers/multimap/allocator/move_cons.cc: Likewise. * testsuite/23_containers/multiset/allocator/103501.cc: New test. * testsuite/23_containers/set/allocator/103501.cc: New test. |
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