[Bug c++/69831] Issue with passing a reference_wrapper to a placeholder when using a pointer to member function in bind

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69831

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Works for me on the trunk:
GNU C++14 (GCC) version 6.0.0 20160215 (experimental) [trunk revision 233436]
(aarch64-unknown-linux-gnu)
        compiled by GNU C version 6.0.0 20160215 (experimental) [trunk revision
233436], GMP version 5.1.3, MPFR version 3.1.2-p3, MPC version 1.0.1, isl
version none