[clang] [Clang] omit parentheses in fold expressions with a single expansion (PR #110761)

[Erich Keane via cfe-commits]

================
@@ -15566,6 +15566,14 @@ 
TreeTransform<Derived>::TransformCXXFoldExpr(CXXFoldExpr *E) {
       return true;
   }
 
+  // When there's only one expansion, the parentheses can be safely eliminated
+  // to avoid any extra redundancy that may result in incorrect checks
----------------
erichkeane wrote:

```suggestion
  // to avoid any extra redundancy that may result in incorrect checks.
```

https://github.com/llvm/llvm-project/pull/110761
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