https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89416
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Tue Feb 26 20:34:46 2019 New Revision: 269229 URL: https://gcc.gnu.org/viewcvs?rev=269229&root=gcc&view=rev Log: PR libstdc++/89416 fix alloc insertable trait for clang (again) PR libstdc++/89416 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change to class template and partial specialization using void_t. (__is_copy_insertable, __is_move_insertable): Adjust base class. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/bits/alloc_traits.h