https://github.com/rymiel approved this pull request.
I can definitely think of cases where an expression might contain `...` and
still have redundant parentheses, i.e. if the ellipsis isn't part of a fold
expression
For example:
```c++
template <typename... N>
std::tuple<N...> foo() {
return (std::tuple<N...>{});
}
```
Those parens around the returned expression are redundant, but they would now
no longer be removed.
I wouldn't worry too much about this, but, pedantically, you can be sure it's a
fold expression if the ellipsis is followed with or preceded by an operator
https://eel.is/c++draft/expr.prim.fold#nt:fold-operator
https://github.com/llvm/llvm-project/pull/91045
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