1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/repr/transparent-enum-too-many-variants.rs b/tests/ui/repr/transparent-enum-too-many-variants.rs
new file mode 100644
index 00000000000..0dd4b4e6846
--- /dev/null
+++ b/tests/ui/repr/transparent-enum-too-many-variants.rs
@@ -0,0 +1,10 @@
+use std::mem::size_of;
+
+#[repr(transparent)]
+enum Foo { //~ ERROR E0731
+    A(u8), B(u8),
+}
+
+fn main() {
+    println!("Foo: {}", size_of::<Foo>());
+}