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  1. Qt
  2. QTBUG-85644

defaulted default constructor cannot be constexpr because the corresponding implicitly declared default constructor would not be constexpr

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    • Icon: Bug Bug
    • Resolution: Done
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    • None
    • 5.14.2
    • Core: Threads
    • None
    • win10/vs2017/vs2019
    • Windows
    • b00fc4676127cd28d3fb2a14874d363a19ba1475 (qt/qtbase/5.15)

      compile error from qmutex.h

       

      defaulted default constructor cannot be constexpr because the corresponding implicitly declared default constructor would not be constexpr

       its location is here:

       

       

      downgrade to qt5.13.2 solved this bug.

       

        1. image-2020-07-17-18-16-31-574.png
          image-2020-07-17-18-16-31-574.png
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        2. qmutex.PNG
          qmutex.PNG
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        3. QMutex-intellisense.PNG
          QMutex-intellisense.PNG
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            thiago Thiago Macieira
            nitka waefd awef
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              Created:
              Updated:
              Resolved:

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