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-rw-r--r--src/librustc_lint/builtin.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_lint/builtin.rs b/src/librustc_lint/builtin.rs
index 75e8d1cebdb..0d8d1c145a4 100644
--- a/src/librustc_lint/builtin.rs
+++ b/src/librustc_lint/builtin.rs
@@ -2051,7 +2051,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
 
 declare_lint! {
     pub CLASHING_EXTERN_DECLARATIONS,
-    Warn,
+    Allow,
     "detects when an extern fn has been declared with the same name but different types"
 }