1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/layout/transmute-to-tail-with-err.rs b/tests/ui/layout/transmute-to-tail-with-err.rs
new file mode 100644
index 000000000..6753ce15e
--- /dev/null
+++ b/tests/ui/layout/transmute-to-tail-with-err.rs
@@ -0,0 +1,8 @@
+trait Trait<T> {}
+
+struct Bar(Box<dyn Trait<T>>);
+//~^ ERROR cannot find type `T` in this scope
+
+fn main() {
+    let x: Bar = unsafe { std::mem::transmute(()) };
+}