1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs b/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs
new file mode 100644
index 000000000..a0d619c45
--- /dev/null
+++ b/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs
@@ -0,0 +1,20 @@
+// aux-build:issue-104884.rs
+
+use std::collections::BinaryHeap;
+
+#[macro_use]
+extern crate issue_104884;
+
+#[derive(PartialEq, Eq, PartialOrd, Ord)]
+struct PriorityQueueEntry<T> {
+    value: T,
+}
+
+#[derive(PartialOrd, AddImpl)]
+//~^ ERROR can't compare `PriorityQueue<T>` with `PriorityQueue<T>`
+//~| ERROR the trait bound `PriorityQueue<T>: Eq` is not satisfied
+//~| ERROR can't compare `T` with `T`
+
+struct PriorityQueue<T>(BinaryHeap<PriorityQueueEntry<T>>);
+
+fn main() {}