cleanup
diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs
index 99e2340..2125349 100644
--- a/compiler/rustc_ast_passes/src/feature_gate.rs
+++ b/compiler/rustc_ast_passes/src/feature_gate.rs
@@ -373,10 +373,6 @@
}
}
- fn visit_stmt(&mut self, stmt: &'a ast::Stmt) {
- visit::walk_stmt(self, stmt);
- }
-
fn visit_expr(&mut self, e: &'a ast::Expr) {
match e.kind {
ast::ExprKind::TryBlock(_) => {
diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs
index 549662a..4c53f9d 100644
--- a/compiler/rustc_feature/src/active.rs
+++ b/compiler/rustc_feature/src/active.rs
@@ -534,6 +534,8 @@
(active, try_blocks, "1.29.0", Some(31436), None),
/// Allows `impl Trait` to be used inside type aliases (RFC 2515).
(active, type_alias_impl_trait, "1.38.0", Some(63063), None),
+ /// Allows the use of type ascription in expressions.
+ (active, type_ascription, "1.6.0", Some(23416), None),
/// Allows creation of instances of a struct by moving fields that have
/// not changed from prior instances of the same struct (RFC #2528)
(active, type_changing_struct_update, "1.58.0", Some(86555), None),
