[clang] [clang-format] Support of TableGen formatting. (PR #76059)

[Björn Schäpers via cfe-commits]

================
@@ -4656,6 +4687,15 @@ struct FormatStyle {
   /// \version 8
   std::vector<std::string> StatementMacros;
 
+  /// Tablegen
----------------
HazardyKnusperkeks wrote:

We need a bit more documentation here.

https://github.com/llvm/llvm-project/pull/76059