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-rw-r--r--compiler/rustc_ast/src/lib.rs8
1 files changed, 7 insertions, 1 deletions
diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs
index 4b94ec0d6..bd7a85b07 100644
--- a/compiler/rustc_ast/src/lib.rs
+++ b/compiler/rustc_ast/src/lib.rs
@@ -13,17 +13,23 @@
#![feature(const_default_impls)]
#![feature(const_trait_impl)]
#![feature(if_let_guard)]
-#![feature(label_break_value)]
+#![cfg_attr(bootstrap, feature(label_break_value))]
#![feature(let_chains)]
+#![cfg_attr(bootstrap, feature(let_else))]
#![feature(min_specialization)]
#![feature(negative_impls)]
#![feature(slice_internals)]
#![feature(stmt_expr_attributes)]
#![recursion_limit = "256"]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;
+#[macro_use]
+extern crate tracing;
+
pub mod util {
pub mod classify;
pub mod comments;