1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/extern-flag/auxiliary/panic_handler.rs b/tests/ui/extern-flag/auxiliary/panic_handler.rs
new file mode 100644
index 000000000..a625761a8
--- /dev/null
+++ b/tests/ui/extern-flag/auxiliary/panic_handler.rs
@@ -0,0 +1,17 @@
+#![feature(lang_items)]
+#![no_std]
+
+// Since `rustc` generally passes `-nodefaultlibs` to the linker,
+// Rust programs link necessary system libraries via `#[link()]`
+// attributes in the `libc` crate. `libc` is a dependency of `std`,
+// but as we are `#![no_std]`, we need to include it manually.
+#![feature(rustc_private)]
+extern crate libc;
+
+#[panic_handler]
+pub fn begin_panic_handler(_info: &core::panic::PanicInfo<'_>) -> ! {
+    loop {}
+}
+
+#[lang = "eh_personality"]
+extern "C" fn eh_personality() {}