diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index ba58a2e68e91b..46692fd5e8bcf 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -424,7 +424,7 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str
         .filter_map(|s| {
             let enable_disable = match s.chars().next() {
                 None => return None,
-                Some(c @ '+' | c @ '-') => c,
+                Some(c @ ('+' | '-')) => c,
                 Some(_) => {
                     if diagnostics {
                         sess.emit_warning(UnknownCTargetFeaturePrefix { feature: s });
diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs
index 29db16849dd5b..fb7cb86d734ef 100644
--- a/compiler/rustc_hir_typeck/src/expr.rs
+++ b/compiler/rustc_hir_typeck/src/expr.rs
@@ -231,7 +231,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
 
         let ty = ensure_sufficient_stack(|| match &expr.kind {
             hir::ExprKind::Path(
-                qpath @ hir::QPath::Resolved(..) | qpath @ hir::QPath::TypeRelative(..),
+                qpath @ (hir::QPath::Resolved(..) | hir::QPath::TypeRelative(..)),
             ) => self.check_expr_path(qpath, expr, args),
             _ => self.check_expr_kind(expr, expected),
         });
diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs
index 37153854f7e7f..ee35664619fd9 100644
--- a/compiler/rustc_resolve/src/macros.rs
+++ b/compiler/rustc_resolve/src/macros.rs
@@ -703,7 +703,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                 PathResult::NonModule(path_res) if let Some(res) = path_res.full_res() => {
                     check_consistency(self, &path, path_span, kind, initial_res, res)
                 }
-                path_res @ PathResult::NonModule(..) | path_res @ PathResult::Failed { .. } => {
+                path_res @ (PathResult::NonModule(..) | PathResult::Failed { .. }) => {
                     let mut suggestion = None;
                     let (span, label) = if let PathResult::Failed { span, label, .. } = path_res {
                         // try to suggest if it's not a macro, maybe a function