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-rw-r--r--compiler/rustc_middle/src/lib.rs5
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs
index 22ee2a8c5..1b125e8e2 100644
--- a/compiler/rustc_middle/src/lib.rs
+++ b/compiler/rustc_middle/src/lib.rs
@@ -48,12 +48,13 @@
#![feature(associated_type_bounds)]
#![feature(rustc_attrs)]
#![feature(control_flow_enum)]
+#![feature(trait_upcasting)]
#![feature(trusted_step)]
#![feature(try_blocks)]
#![feature(try_reserve_kind)]
#![feature(nonzero_ops)]
#![feature(decl_macro)]
-#![feature(drain_filter)]
+#![feature(extract_if)]
#![feature(intra_doc_pointers)]
#![feature(yeet_expr)]
#![feature(result_option_inspect)]
@@ -86,7 +87,7 @@ mod macros;
#[macro_use]
pub mod arena;
-pub(crate) mod error;
+pub mod error;
pub mod hir;
pub mod infer;
pub mod lint;