Ville Voutilainen 6964bb3ed9 Implement P0513R0, Poisoning the Hash. ... * include/bits/functional_hash.h (__poison_hash): New. * include/bits/unique_ptr.h (hash<unique_ptr<_Tp, _Dp>>): Derive from __poison_hash. * include/std/optional (hash<optional<_Tp>>): Likewise. * include/std/variant (hash<variant<_Types...>>): Likewise. * testsuite/20_util/default_delete/48631_neg.cc: Adjust. * testsuite/20_util/default_delete/void_neg.cc: Likewise. * testsuite/20_util/optional/hash.cc: New. * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust. * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Adjust. * testsuite/20_util/unique_ptr/hash/1.cc: Add tests for poisoned fancy pointer hashes. * testsuite/20_util/variant/hash.cc: New. From-SVN: r242402		2016-11-14 23:22:53 +02:00
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1.cc	Implement P0513R0, Poisoning the Hash.	2016-11-14 23:22:53 +02:00