[Bug libstdc++/50320] Calling tr1 binder with constant expression fails

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50320

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-09-07 12:49:54 UTC ---
see PR 35569 and its duplicates such as PR 38238

I can't remember if this is even meant to work according to the TR1 spec -
we've fixed it for std::bind, but not tr1::bind