1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/closures/issue-84128.stderr b/src/test/ui/closures/issue-84128.stderr
new file mode 100644
index 000000000..09c44d261
--- /dev/null
+++ b/src/test/ui/closures/issue-84128.stderr
@@ -0,0 +1,22 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-84128.rs:13:13
+   |
+LL |         Foo(())
+   |         --- ^^ expected integer, found `()`
+   |         |
+   |         arguments to this struct are incorrect
+   |
+note: return type inferred to be `{integer}` here
+  --> $DIR/issue-84128.rs:10:20
+   |
+LL |             return Foo(0);
+   |                    ^^^^^^
+note: tuple struct defined here
+  --> $DIR/issue-84128.rs:5:8
+   |
+LL | struct Foo<T>(T);
+   |        ^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.