[clang] [Clang] suppress deprecated field warnings in implicit special-member functions (PR #147400)

[Corentin Jabot via cfe-commits]

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@@ -983,6 +983,7 @@ Bug Fixes to C++ Support
   non-empty initializer list. (#GH147949)
 - Fixed constant evaluation of equality comparisons of constexpr-unknown references. (#GH147663)
 - Diagnose binding a reference to ``*nullptr`` during constant evaluation. (#GH48665)
+- Suppress -Wdeprecated-declarations in implicitly generated special-member functions for deprecated data-members; only explicit uses still warn. (#GH147293)
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cor3ntin wrote:

```suggestion
- Suppress -Wdeprecated-declarations in implicitly generated functions. (#GH147293)
```

https://github.com/llvm/llvm-project/pull/147400