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-rw-r--r--library/core/src/macros/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs
index fe3eff04b4a..4999933fee5 100644
--- a/library/core/src/macros/mod.rs
+++ b/library/core/src/macros/mod.rs
@@ -2,6 +2,7 @@
 #[macro_export]
 #[allow_internal_unstable(core_panic, const_caller_location)]
 #[stable(feature = "core", since = "1.6.0")]
+#[rustc_diagnostic_item = "core_panic_macro"]
 macro_rules! panic {
     () => (
         $crate::panic!("explicit panic")