optional
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re PR libstdc++/84601 (std::optional<std::pair<int, int>> is not assignment copyable) · 447346e4PR libstdc++/84601 * include/std/optional (_Optional_payload): Split into multiple specializations that can handle different cases of trivial or non-trivial assignment operators. * testsuite/20_util/optional/84601.cc: New. * testsuite/20_util/optional/cons/value_neg.cc: Adjust. From-SVN: r258304
Ville Voutilainen committed