1 files changed, 17 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-21160.stderr b/tests/ui/issues/issue-21160.stderr
new file mode 100644
index 000000000..266749376
--- /dev/null
+++ b/tests/ui/issues/issue-21160.stderr
@@ -0,0 +1,17 @@
+error[E0277]: the trait bound `Bar: Hash` is not satisfied
+  --> $DIR/issue-21160.rs:8:12
+   |
+LL | #[derive(Hash)]
+   |          ---- in this derive macro expansion
+LL | struct Foo(Bar);
+   |            ^^^ the trait `Hash` is not implemented for `Bar`
+   |
+   = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: consider annotating `Bar` with `#[derive(Hash)]`
+   |
+LL | #[derive(Hash)]
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.