1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/missing/missing-derivable-attr.rs b/tests/ui/missing/missing-derivable-attr.rs
new file mode 100644
index 00000000000..58c94de5059
--- /dev/null
+++ b/tests/ui/missing/missing-derivable-attr.rs
@@ -0,0 +1,16 @@
+trait MyEq {
+    fn eq(&self, other: &Self) -> bool;
+}
+
+struct A {
+    x: isize
+}
+
+impl MyEq for isize {
+    fn eq(&self, other: &isize) -> bool { *self == *other }
+}
+
+impl MyEq for A {}  //~ ERROR not all trait items implemented, missing: `eq`
+
+fn main() {
+}