http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57514

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> How does C++ run-tim use the least significant bit to indicate
> whether a member function is virtual?

Why not read the ABI?

Basically pointer to member function need to indicate if they are either a
virtual function (then an indirect call via the vtable) or a direct call (just
use the pointer to member function ptr).

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