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Add missing noexcept keyword to default constructor of each _Optional_payload specialization. PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>> * include/std/optional (_Optional_payload): Add noexcept to default constructor. Re-indent. (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to constructor for copying disengaged payloads. (_Optional_payload<_Tp, true, false, true>): Likewise. (_Optional_payload<_Tp, true, true, false>): Likewise. (_Optional_payload<_Tp, true, false, false>): Likewise. * testsuite/20_util/optional/cons/85642.cc: New. * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines. From-SVN: r259928 |
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