re PR libstdc++/42925 ([GB 99] Not possible to compare unique_ptr with 0)
2010-08-11 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/42925
* include/bits/unique_ptr.h (operator==(const unique_ptr<>&,
nullptr_t), operator==(nullptr_t, const unique_ptr<>&),
operator!=(const unique_ptr<>&, nullptr_t),
operator!=(nullptr_t, const unique_ptr<>&)): Add.
* include/bits/shared_ptr_base.h (operator==(const __shared_ptr<>&,
nullptr_t), operator==(nullptr_t, const __shared_ptr<>&),
operator!=(const __shared_ptr<>&, nullptr_t),
operator!=(nullptr_t, const __shared_ptr<>&)): Likewise.
* include/bits/shared_ptr.h (operator==(const shared_ptr<>&,
nullptr_t), operator==(nullptr_t, const shared_ptr<>&),
operator!=(const shared_ptr<>&, nullptr_t),
operator!=(nullptr_t, const shared_ptr<>&)): Likewise.
* testsuite/20_util/unique_ptr/comparison/42925.cc: New.
* testsuite/20_util/shared_ptr/comparison/42925.cc: Likewise.
* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust
dg-error line numbers.
From-SVN: r163094
3abeaf8f89