1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/generics/generic-tag-corruption.rs b/src/test/ui/generics/generic-tag-corruption.rs
new file mode 100644
index 000000000..35de3c1f7
--- /dev/null
+++ b/src/test/ui/generics/generic-tag-corruption.rs
@@ -0,0 +1,10 @@
+// run-pass
+#![allow(non_camel_case_types)]
+
+
+// This used to cause memory corruption in stage 0.
+// pretty-expanded FIXME #23616
+
+enum thing<K> { some(#[allow(unused_tuple_struct_fields)] K), }
+
+pub fn main() { let _x = thing::some("hi".to_string()); }