2010-02-19  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/shared_ptr_base.h (__weak_ptr): Remove deleted
	comparison operators, per DR 1256.
	* include/bits/shared_ptr.h (weak_ptr): Likewise.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust.

From-SVN: r156891