1 files changed, 15 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-28600.rs b/tests/ui/issues/issue-28600.rs
new file mode 100644
index 000000000..52db0d5fd
--- /dev/null
+++ b/tests/ui/issues/issue-28600.rs
@@ -0,0 +1,15 @@
+// build-pass
+// #28600 ICE: pub extern fn with parameter type &str inside struct impl
+
+struct Test;
+
+impl Test {
+    #[allow(dead_code)]
+    #[allow(unused_variables)]
+    #[allow(improper_ctypes_definitions)]
+    pub extern "C" fn test(val: &str) {
+
+    }
+}
+
+fn main() {}