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-rw-r--r--compiler/rustc_macros/src/lib.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_macros/src/lib.rs b/compiler/rustc_macros/src/lib.rs
index 2f9c13cf817..e01d035767b 100644
--- a/compiler/rustc_macros/src/lib.rs
+++ b/compiler/rustc_macros/src/lib.rs
@@ -4,6 +4,8 @@
 #![feature(proc_macro_diagnostic)]
 #![feature(proc_macro_span)]
 #![allow(rustc::default_hash_types)]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
 #![recursion_limit = "128"]
 
 use synstructure::decl_derive;