[clang] [clang-format] Support of TableGen value annotations. (PR #80299)

[Björn Schäpers via cfe-commits]

================
@@ -256,6 +256,18 @@ class AnnotatingParser {
           }
         }
       }
+      if (Style.isTableGen()) {
+        if (CurrentToken->isOneOf(tok::comma, tok::equal)) {
+          // They appears as a separator. Unless it is not in class definition.
----------------
HazardyKnusperkeks wrote:

```suggestion
          // They appear as a separator. Unless it is not in class definition.
```

https://github.com/llvm/llvm-project/pull/80299