1 files changed, 11 insertions, 1 deletions
diff --git a/src/test/ui/aligned_enum_cast.rs b/src/test/ui/aligned_enum_cast.rs
index 4b5776a6aa8..1ddf127172e 100644
--- a/src/test/ui/aligned_enum_cast.rs
+++ b/src/test/ui/aligned_enum_cast.rs
@@ -11,5 +11,15 @@ enum Aligned {
 fn main() {
     let aligned = Aligned::Zero;
     let fo = aligned as u8;
-    println!("foo {}",fo);
+    println!("foo {}", fo);
+    assert_eq!(fo, 0);
+    println!("{}", tou8(Aligned::Zero));
+    assert_eq!(tou8(Aligned::Zero), 0);
+}
+
+#[inline(never)]
+fn tou8(al: Aligned) -> u8 {
+    // Cast behind a function call so ConstProp does not see it
+    // (so that we can test codegen).
+    al as u8
 }