1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/box/box-patterns-feature-usage-6557.rs b/tests/ui/box/box-patterns-feature-usage-6557.rs
new file mode 100644
index 00000000000..e0d9b25c366
--- /dev/null
+++ b/tests/ui/box/box-patterns-feature-usage-6557.rs
@@ -0,0 +1,9 @@
+// https://github.com/rust-lang/rust/issues/6557
+//@ check-pass
+#![allow(dead_code)]
+
+#![feature(box_patterns)]
+
+fn foo(box (_x, _y): Box<(isize, isize)>) {}
+
+pub fn main() {}