1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/error-codes/E0374.rs b/src/test/ui/error-codes/E0374.rs
new file mode 100644
index 000000000..41fcedc32
--- /dev/null
+++ b/src/test/ui/error-codes/E0374.rs
@@ -0,0 +1,11 @@
+#![feature(coerce_unsized)]
+use std::ops::CoerceUnsized;
+
+struct Foo<T: ?Sized> {
+    a: i32,
+}
+
+impl<T, U> CoerceUnsized<Foo<U>> for Foo<T> //~ ERROR E0374
+    where T: CoerceUnsized<U> {}
+
+fn main() {}