2011-03-22 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/shared_ptr.h (operator>, operator<=, operator>=): Add,
per DR 1401.
(operator==, operator!=, operator<): Fix per the letter of DR 1401.
* include/bits/shared_ptr_base.h: Likewise for __shared_ptr.
* include/bits/unique_ptr.h (operator==, operator!=, operator<,
operator<=, operator>, operator>=): Fix per the letter of DR 1401.
* testsuite/20_util/shared_ptr/comparison/dr1401.cc: New.
* testsuite/20_util/unique_ptr/comparison/dr1401.cc: Likewise.
* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust.
From-SVN: r171293
