1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/panic-handler/panic-handler-duplicate.rs b/src/test/ui/panic-handler/panic-handler-duplicate.rs
new file mode 100644
index 000000000..bd99af999
--- /dev/null
+++ b/src/test/ui/panic-handler/panic-handler-duplicate.rs
@@ -0,0 +1,17 @@
+// compile-flags:-C panic=abort
+
+#![feature(lang_items)]
+#![no_std]
+#![no_main]
+
+use core::panic::PanicInfo;
+
+#[panic_handler]
+fn panic(info: &PanicInfo) -> ! {
+    loop {}
+}
+
+#[lang = "panic_impl"]
+fn panic2(info: &PanicInfo) -> ! { //~ ERROR found duplicate lang item `panic_impl`
+    loop {}
+}