[clang] [clang-tools-extra] [llvm] [clang] Introduce diagnostics suppression mappings (PR #112517)

[Boaz Brickner via cfe-commits]

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@@ -41,8 +46,10 @@ static void EmitUnknownDiagWarning(DiagnosticsEngine &Diags,
       << (Prefix.str() += std::string(Suggestion));
 }
 
+
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bricknerb wrote:

Remove extra blank line?

https://github.com/llvm/llvm-project/pull/112517