fix #105061, Fix unused_parens issue for higher ranked function pointers

2022-12-24 02:41:06 +08:00
parent 44a500c8c1
commit 7d99866bfc
4 changed files with 43 additions and 1 deletions
--- a/compiler/rustc_lint/src/unused.rs
+++ b/compiler/rustc_lint/src/unused.rs
@@ -1002,7 +1002,6 @@ impl EarlyLintPass for UnusedParens {
        if let ast::TyKind::Paren(r) = &ty.kind {
            match &r.kind {
                ast::TyKind::TraitObject(..) => {}
-                ast::TyKind::BareFn(b) if b.generic_params.len() > 0 => {}
                ast::TyKind::ImplTrait(_, bounds) if bounds.len() > 1 => {}
                ast::TyKind::Array(_, len) => {
                    self.check_unused_delims_expr(