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

[Boaz Brickner via cfe-commits]

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@@ -701,11 +702,10 @@ class CompilerInstance : public ModuleLoader {
   /// used by some diagnostics printers (for logging purposes only).
   ///
   /// \return The new object on success, or null on failure.
-  static IntrusiveRefCntPtr<DiagnosticsEngine>
-  createDiagnostics(DiagnosticOptions *Opts,
-                    DiagnosticConsumer *Client = nullptr,
-                    bool ShouldOwnClient = true,
-                    const CodeGenOptions *CodeGenOpts = nullptr);
+  static IntrusiveRefCntPtr<DiagnosticsEngine> createDiagnostics(
+      DiagnosticOptions *Opts, DiagnosticConsumer *Client = nullptr,
+      bool ShouldOwnClient = true, const CodeGenOptions *CodeGenOpts = nullptr,
+      IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS = nullptr);
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bricknerb wrote:

Optional: Given that this already has 5 parameters, consider wrapping the params in a struct to make the calls easier.

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