1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/unsafe/union_wild_or_wild.rs b/src/test/ui/unsafe/union_wild_or_wild.rs
new file mode 100644
index 000000000..52a0a7abf
--- /dev/null
+++ b/src/test/ui/unsafe/union_wild_or_wild.rs
@@ -0,0 +1,12 @@
+// check-pass
+// revisions: mir thir
+// [thir]compile-flags: -Z thir-unsafeck
+
+union X { a: i8 }
+
+fn main() {
+    let x = X { a: 5 };
+    match x {
+        X { a: _ | _ } => {},
+    }
+}