[PATCH] D70342: [Diagnostics] Put "deprecated copy" warnings into -Wdeprecated-copy

[Dávid Bolvanský via Phabricator via cfe-commits]

xbolva00 added a comment.

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0619r4.html#3.2

So C++20 or C++23.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D70342