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-rw-r--r--compiler/rustc_hir_analysis/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index 291d57f2a17..f6d96003ce9 100644
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -72,6 +72,7 @@ This API is completely unstable and subject to change.
 #![feature(slice_partition_dedup)]
 #![feature(try_blocks)]
 #![feature(unwrap_infallible)]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 #[macro_use]