1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-cross-crate.rs b/src/test/ui/unboxed-closures/unboxed-closures-cross-crate.rs
new file mode 100644
index 000000000..39cc26072
--- /dev/null
+++ b/src/test/ui/unboxed-closures/unboxed-closures-cross-crate.rs
@@ -0,0 +1,14 @@
+// run-pass
+#![allow(non_camel_case_types)]
+
+// Test that unboxed closures work with cross-crate inlining
+// Acts as a regression test for #16790, #18378 and #18543
+
+// aux-build:unboxed-closures-cross-crate.rs
+
+extern crate unboxed_closures_cross_crate as ubcc;
+
+fn main() {
+    assert_eq!(ubcc::has_closures(), 2_usize);
+    assert_eq!(ubcc::has_generic_closures(2_usize, 3_usize), 5_usize);
+}