mirror of git://gcc.gnu.org/git/gcc.git
ef45724acd
In C++2a the remove, remove_if and unique members of std::list and std::forward_list have been changed to return the number of elements removed. This is an ABI change for the remove members and the non-template unique members, so an abi-tag is used to give those symbols new mangled names in C++2a mode. For the function templates the return type is part of the mangled name so no abi-tag is needed. * include/bits/forward_list.h (__cpp_lib_list_remove_return_type): Define. (forward_list::__remove_return_type): Define typedef as size_type or void, according to __cplusplus value. (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or empty, according to __cplusplus value. (forward_list::remove, forward_list::unique): Use typedef and macro to change return type and add abi-tag for C++2a. (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use typedef to change return type for C++2a. * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro. (forward_list::remove, forward_list::remove_if<Pred>) (forward_list::unique<BinPred>): Return number of removed elements for C++2a. * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro. (list::remove, list::unique, list::remove_if<Predicate>) (list::unique<BinaryPredicate>): Return number of removed elements for C++2a. * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define. (list::__remove_return_type): Define typedef as size_type or void, according to __cplusplus value. (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or empty, according to __cplusplus value. (list::remove, list::unique): Use typedef and macro to change return type and add abi-tag for C++2a. (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef to change return type for C++2a. * include/std/version (__cpp_lib_list_remove_return_type): Define. * testsuite/23_containers/forward_list/operations/ remove_cxx20_return.cc: New. * testsuite/23_containers/forward_list/operations/ unique_cxx20_return.cc: New. From-SVN: r262423 |
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