[PATCH] D142446: [MC] Disable copying and moving of MCInstrDescs the C++20 way

[Sergei Barannikov via Phabricator via llvm-commits]

barannikov88 added a comment.

What if not introduce a dummy class but instead extract a part of `MCInstrDesc` that is not directly used by clients? E.g.

  struct Hack {
    unsigned short Opc;
    constexpr Hack(unsigned short Opc) : Opc(Opc) {}
    Hack (const Hack&) = delete;
    Hack &operator=(const Hack&) = delete;
  };
  
  struct MCInstrDesc {
    Hack Opcode;
    unsigned short NumOperands;
  };
  
  MCInstrDesc global{{1}, 2};

https://gcc.godbolt.org/z/nchKhM1Wd

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https://reviews.llvm.org/D142446