1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/closures/issue-84128.stderr b/tests/ui/closures/issue-84128.stderr
new file mode 100644
index 000000000..1cd8949b8
--- /dev/null
+++ b/tests/ui/closures/issue-84128.stderr
@@ -0,0 +1,24 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-84128.rs:13:13
+   |
+LL |         Foo(())
+   |         --- ^^ expected integer, found `()`
+   |         |
+   |         arguments to this struct are incorrect
+   |
+help: the type constructed contains `()` due to the type of the argument passed
+  --> $DIR/issue-84128.rs:13:9
+   |
+LL |         Foo(())
+   |         ^^^^--^
+   |             |
+   |             this argument influences the type of `Foo`
+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`.