1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-ctypes-73747.rs b/src/test/ui/lint/lint-ctypes-73747.rs
new file mode 100644
index 000000000..293ffd5c2
--- /dev/null
+++ b/src/test/ui/lint/lint-ctypes-73747.rs
@@ -0,0 +1,14 @@
+// check-pass
+
+#[repr(transparent)]
+struct NonNullRawComPtr<T: ComInterface> {
+    inner: std::ptr::NonNull<<T as ComInterface>::VTable>,
+}
+
+trait ComInterface {
+    type VTable;
+}
+
+extern "C" fn invoke<T: ComInterface>(_: Option<NonNullRawComPtr<T>>) {}
+
+fn main() {}