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-rw-r--r--compiler/rustc_attr/src/lib.rs5
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_attr/src/lib.rs b/compiler/rustc_attr/src/lib.rs
index c3f9f0cf3..52e65a9c7 100644
--- a/compiler/rustc_attr/src/lib.rs
+++ b/compiler/rustc_attr/src/lib.rs
@@ -5,12 +5,15 @@
//! to this crate.
#![feature(let_chains)]
-#![feature(let_else)]
+#![cfg_attr(bootstrap, feature(let_else))]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
#[macro_use]
extern crate rustc_macros;
mod builtin;
+mod session_diagnostics;
pub use builtin::*;
pub use IntType::*;