2011-05-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* testsuite/20_util/bind/cv_quals_2.cc: New.

2011-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/49058
	* include/std/functional (_Bind<_Functor(_Bound_args...)>::
	operator()(_Args&&...)): Don't cv qualify _Functor directly
	in the default template argument, SFINAE doesn't apply when
	the functor has no arguments.
	* testsuite/20_util/bind/49058_1.cc: New.
	* testsuite/20_util/bind/49058_2.cc: Likewise.