1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/symbol-names/foreign-types.rs b/src/test/ui/symbol-names/foreign-types.rs
new file mode 100644
index 000000000..8f5b07769
--- /dev/null
+++ b/src/test/ui/symbol-names/foreign-types.rs
@@ -0,0 +1,19 @@
+// build-fail
+// compile-flags: -C symbol-mangling-version=v0
+
+#![feature(extern_types)]
+#![feature(rustc_attrs)]
+
+extern "C" {
+    type ForeignType;
+}
+
+struct Check<T: ?Sized>(T);
+
+#[rustc_symbol_name]
+//~^ ERROR symbol-name(_RMCs
+//~| ERROR demangling(<foreign_types[
+//~| ERROR demangling-alt(<foreign_types::Check<foreign_types::ForeignType>>)
+impl Check<ForeignType> {}
+
+fn main() {}