Pass Ident by reference in ast Visitor `MutVisitor`'s version of `visit_ident` passes around `&Ident`, but `Visitor` copies `Ident`. This PR changes that r? `@petrochenkov` related to #128974
Pass Ident by reference in ast Visitor `MutVisitor`'s version of `visit_ident` passes around `&Ident`, but `Visitor` copies `Ident`. This PR changes that r? `@petrochenkov` related to #128974