1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-21837.stderr b/src/test/ui/issues/issue-21837.stderr
new file mode 100644
index 000000000..3d3852664
--- /dev/null
+++ b/src/test/ui/issues/issue-21837.stderr
@@ -0,0 +1,19 @@
+error[E0277]: the trait bound `T: Bound` is not satisfied
+  --> $DIR/issue-21837.rs:8:20
+   |
+LL | impl<T> Trait2 for Foo<T> {}
+   |                    ^^^^^^ the trait `Bound` is not implemented for `T`
+   |
+note: required by a bound in `Foo`
+  --> $DIR/issue-21837.rs:2:19
+   |
+LL | pub struct Foo<T: Bound>(T);
+   |                   ^^^^^ required by this bound in `Foo`
+help: consider restricting type parameter `T`
+   |
+LL | impl<T: Bound> Trait2 for Foo<T> {}
+   |       +++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.