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-rw-r--r--compiler/rustc_pattern_analysis/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_pattern_analysis/src/lib.rs b/compiler/rustc_pattern_analysis/src/lib.rs
index 6c9c848bb10..fec44d5af55 100644
--- a/compiler/rustc_pattern_analysis/src/lib.rs
+++ b/compiler/rustc_pattern_analysis/src/lib.rs
@@ -6,6 +6,7 @@
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
 #![cfg_attr(feature = "rustc", feature(let_chains))]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 pub mod constructor;