1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/opt-in-copy.rs b/tests/ui/opt-in-copy.rs
new file mode 100644
index 000000000..0b48418e4
--- /dev/null
+++ b/tests/ui/opt-in-copy.rs
@@ -0,0 +1,22 @@
+struct CantCopyThis;
+
+struct IWantToCopyThis {
+    but_i_cant: CantCopyThis,
+}
+
+impl Copy for IWantToCopyThis {}
+//~^ ERROR the trait `Copy` may not be implemented for this type
+
+enum CantCopyThisEither {
+    A,
+    B,
+}
+
+enum IWantToCopyThisToo {
+    ButICant(CantCopyThisEither),
+}
+
+impl Copy for IWantToCopyThisToo {}
+//~^ ERROR the trait `Copy` may not be implemented for this type
+
+fn main() {}