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-rw-r--r--compiler/rustc_lint/src/types.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs
index fec23354c91..aaba0c14b1c 100644
--- a/compiler/rustc_lint/src/types.rs
+++ b/compiler/rustc_lint/src/types.rs
@@ -196,7 +196,8 @@ declare_lint! {
     /// same address after being merged together.
     UNPREDICTABLE_FUNCTION_POINTER_COMPARISONS,
     Warn,
-    "detects unpredictable function pointer comparisons"
+    "detects unpredictable function pointer comparisons",
+    report_in_external_macro
 }
 
 #[derive(Copy, Clone, Default)]