[clang] [llvm] [clang] Add test run of 'dump_ast_matchers.py' (PR #165472)

[Baranov Victor via cfe-commits]

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@@ -728,7 +728,7 @@ AST_MATCHER_P(FieldDecl, hasBitWidth, unsigned, Width) {
          Node.getBitWidthValue() == Width;
 }
 
-/// Matches non-static data members that have an in-class initializer.
+/// Matches non-static data memberss that have an in-class initializer.
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vbvictor wrote:

```suggestion
/// Matches non-static data members that have an in-class initializer.
```

https://github.com/llvm/llvm-project/pull/165472