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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 3230a08c276..8db1fd92530 100644
--- a/src/librustc/lint/builtin.rs
+++ b/src/librustc/lint/builtin.rs
@@ -157,7 +157,7 @@ declare_lint! {
 
 declare_lint! {
     pub TRANSMUTE_FROM_FN_ITEM_TYPES,
-    Warn,
+    Deny,
     "transmute from function item type to pointer-sized type erroneously allowed"
 }