[Bug libstdc++/56383] error with multiple enable_shared_from_this base classes

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56383

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|5.3                         |4.9.4

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I'm about to fix this on trunk, and will backport to the branches after 5.3 is
released.