1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/typeck/issue-75883.rs b/src/test/ui/typeck/issue-75883.rs
new file mode 100644
index 000000000..885acc482
--- /dev/null
+++ b/src/test/ui/typeck/issue-75883.rs
@@ -0,0 +1,22 @@
+// Regression test for #75883.
+
+pub struct UI {}
+
+impl UI {
+    pub fn run() -> Result<_> {
+        //~^ ERROR: this enum takes 2 generic arguments but 1 generic argument was supplied
+        //~| ERROR: the placeholder `_` is not allowed within types on item signatures for return types
+        let mut ui = UI {};
+        ui.interact();
+
+        unimplemented!();
+    }
+
+    pub fn interact(&mut self) -> Result<_> {
+        //~^ ERROR: this enum takes 2 generic arguments but 1 generic argument was supplied
+        //~| ERROR: the placeholder `_` is not allowed within types on item signatures for return types
+        unimplemented!();
+    }
+}
+
+fn main() {}