1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/iterators/issue-28098.rs b/tests/ui/iterators/issue-28098.rs
new file mode 100644
index 00000000000..80c77edae9e
--- /dev/null
+++ b/tests/ui/iterators/issue-28098.rs
@@ -0,0 +1,31 @@
+fn main() {
+    let _ = Iterator::next(&mut ());
+    //~^ ERROR `()` is not an iterator
+    //~| ERROR `()` is not an iterator
+    //~| ERROR `()` is not an iterator
+
+    for _ in false {}
+    //~^ ERROR `bool` is not an iterator
+
+    let _ = Iterator::next(&mut ());
+    //~^ ERROR `()` is not an iterator
+    //~| ERROR `()` is not an iterator
+
+    other()
+}
+
+pub fn other() {
+    // check errors are still reported globally
+
+    let _ = Iterator::next(&mut ());
+    //~^ ERROR `()` is not an iterator
+    //~| ERROR `()` is not an iterator
+    //~| ERROR `()` is not an iterator
+
+    let _ = Iterator::next(&mut ());
+    //~^ ERROR `()` is not an iterator
+    //~| ERROR `()` is not an iterator
+
+    for _ in false {}
+    //~^ ERROR `bool` is not an iterator
+}