1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/reachable/expr_cast.rs b/src/test/ui/reachable/expr_cast.rs
new file mode 100644
index 000000000..e8e477ea4
--- /dev/null
+++ b/src/test/ui/reachable/expr_cast.rs
@@ -0,0 +1,13 @@
+#![allow(unused_variables)]
+#![allow(unused_assignments)]
+#![allow(dead_code)]
+#![deny(unreachable_code)]
+#![feature(never_type, type_ascription)]
+
+fn a() {
+    // the cast is unreachable:
+    let x = {return} as !; //~ ERROR unreachable
+    //~| ERROR non-primitive cast
+}
+
+fn main() { }