1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/lang-items/issue-19660.rs b/tests/ui/lang-items/issue-19660.rs
new file mode 100644
index 000000000..400ac310b
--- /dev/null
+++ b/tests/ui/lang-items/issue-19660.rs
@@ -0,0 +1,15 @@
+// error-pattern: requires `copy` lang_item
+
+#![feature(lang_items, start, no_core)]
+#![no_core]
+
+#[lang = "sized"]
+trait Sized { }
+
+struct S;
+
+#[start]
+fn main(_: isize, _: *const *const u8) -> isize {
+    let _ = S;
+    0
+}