[clang] [Clang] Partial implementation of support for P3074 (trivial unions) (PR #146815)

[via cfe-commits]

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@@ -9543,6 +9543,45 @@ bool SpecialMemberDeletionInfo::shouldDeleteForSubobjectCall(
   if (DiagKind == -1)
     return false;
 
+  if (S.Context.getLangOpts().CPlusPlus26 && inUnion() &&
----------------
Sirraide wrote:

```suggestion
  if (S.LangOpts.CPlusPlus26 && inUnion() &&
```

https://github.com/llvm/llvm-project/pull/146815