[clang] [clang] Factor out OpenACC part of `Sema` (PR #84184)

[Erich Keane via cfe-commits]

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@@ -63,17 +67,17 @@ void Sema::ActOnOpenACCConstruct(OpenACCDirectiveKind K,
     // here as these constructs do not take any arguments.
     break;
   default:
-    Diag(StartLoc, diag::warn_acc_construct_unimplemented) << K;
+    Sema.Diag(StartLoc, diag::warn_acc_construct_unimplemented) << K;
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erichkeane wrote:

Hmm... thats a good point.  Perhaps `Diag` is just over represented here.

https://github.com/llvm/llvm-project/pull/84184