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  1. Qt
  2. QTBUG-111043

QHash is missing std::launder()

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Details

    • Bug
    • Resolution: Invalid
    • P2: Important
    • None
    • 6.2.6, 6.4.2, 6.5.0 Beta2
    • Core: Containers and Algorithms
    • None
    • 13
    • Foundation Sprint 75, Foundation Sprint 76

    Description

      See epic for more information.

      The Qt 6 implementation of QHash (Q5Hash: unknown) is using a hand-rolled version of std::aligned_storage, so falls into the "std::optional" pattern and needs a std::launder().

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          resulted in

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-111075 Preprogam QHashPrivate::Span::Entry as a union for Qt 7, bootstrap, to avoid laundering on every node access

          • P4: Low - Would be nice to fix, but it's not very important.
          • Closed
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            People

              mmutz Marc Mutz
              mmutz Marc Mutz
              Vladimir Minenko Vladimir Minenko
              Alex Blasche Alex Blasche
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              Dates

                Created:
                Updated:
                Resolved:

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