1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/issue-79825.rs b/src/test/ui/proc-macro/issue-79825.rs
new file mode 100644
index 000000000..f628469ce
--- /dev/null
+++ b/src/test/ui/proc-macro/issue-79825.rs
@@ -0,0 +1,10 @@
+// check-pass
+// aux-build:issue-79825.rs
+#![feature(trait_alias)]
+
+extern crate issue_79825;
+
+#[issue_79825::assert_input]
+trait Alias = Sized;
+
+fn main() {}