1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/consts/transmute-const.rs b/tests/ui/consts/transmute-const.rs
new file mode 100644
index 000000000..c5c3dfc4c
--- /dev/null
+++ b/tests/ui/consts/transmute-const.rs
@@ -0,0 +1,12 @@
+// run-pass
+
+use std::mem;
+
+#[repr(transparent)]
+struct Foo(#[allow(unused_tuple_struct_fields)] u32);
+
+const TRANSMUTED_U32: u32 = unsafe { mem::transmute(Foo(3)) };
+
+fn main() {
+    assert_eq!(TRANSMUTED_U32, 3);
+}