Add a test

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/ui/lint/lint-ctypes-non-recursion-limit.rs b/tests/ui/lint/lint-ctypes-non-recursion-limit.rs
new file mode 100644
index 00000000000..61e95dc5a46
--- /dev/null
+++ b/tests/ui/lint/lint-ctypes-non-recursion-limit.rs
@@ -0,0 +1,32 @@
+//@ check-pass
+
+#![recursion_limit = "5"]
+#![allow(unused)]
+#![deny(improper_ctypes)]
+
+#[repr(C)]
+struct F1(*const ());
+#[repr(C)]
+struct F2(*const ());
+#[repr(C)]
+struct F3(*const ());
+#[repr(C)]
+struct F4(*const ());
+#[repr(C)]
+struct F5(*const ());
+#[repr(C)]
+struct F6(*const ());
+
+#[repr(C)]
+struct B {
+    f1: F1,
+    f2: F2,
+    f3: F3,
+    f4: F4,
+    f5: F5,
+    f6: F6,
+}
+
+extern "C" fn foo(_: B) {}
+
+fn main() {}