PR libstdc++/79789 * include/bits/hashtable_policy.h (__clp2): Use reserved names for parameters and local variables. * include/bits/ios_base.h (make_error_code, make_error_condition): Likewise. * include/bits/list.tcc (list::sort): Likewise. * include/bits/mask_array.h (mask_array): Likewise. * include/bits/regex.h (regex_token_iterator): Likewise. * include/bits/slice_array.h (slice_array): Likewise. * include/bits/stl_algo.h (__sample): Likewise. * include/std/memory (undeclare_no_pointers): Likewise. * include/std/type_traits (is_callable_v, is_nothrow_callable_v): Likewise. * libsupc++/exception_ptr.h (__dest_thunk): Likewise. * testsuite/17_intro/headers/names.cc: New test. From-SVN: r245828