1 files changed, 8 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-58857.stderr b/tests/ui/issues/issue-58857.stderr
new file mode 100644
index 000000000..e2acec47e
--- /dev/null
+++ b/tests/ui/issues/issue-58857.stderr
@@ -0,0 +1,8 @@
+error: negative bounds are not supported
+  --> $DIR/issue-58857.rs:4:7
+   |
+LL | impl<A: !Valid> Conj<A>{}
+   |       ^^^^^^^^ negative bounds are not supported
+
+error: aborting due to previous error
+