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-rw-r--r--src/test/ui/lint/auxiliary/external_extern_fn.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/test/ui/lint/auxiliary/external_extern_fn.rs b/src/test/ui/lint/auxiliary/external_extern_fn.rs
new file mode 100644
index 000000000..c2a8cadc6
--- /dev/null
+++ b/src/test/ui/lint/auxiliary/external_extern_fn.rs
@@ -0,0 +1,3 @@
+extern "C" {
+ pub fn extern_fn(x: u8);
+}