1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/overloaded/overloaded-calls-nontuple.rs b/src/test/ui/overloaded/overloaded-calls-nontuple.rs
new file mode 100644
index 000000000..07d44ff82
--- /dev/null
+++ b/src/test/ui/overloaded/overloaded-calls-nontuple.rs
@@ -0,0 +1,29 @@
+#![feature(fn_traits, unboxed_closures)]
+
+use std::ops::FnMut;
+
+struct S {
+    x: isize,
+    y: isize,
+}
+
+impl FnMut<isize> for S {
+    extern "rust-call" fn call_mut(&mut self, z: isize) -> isize {
+        self.x + self.y + z
+    }
+    //~^^^ ERROR functions with the "rust-call" ABI must take a single non-self argument
+}
+
+impl FnOnce<isize> for S {
+    type Output = isize;
+    extern "rust-call" fn call_once(mut self, z: isize) -> isize { self.call_mut(z) }
+    //~^ ERROR functions with the "rust-call" ABI must take a single non-self argument
+}
+
+fn main() {
+    let mut s = S {
+        x: 1,
+        y: 2,
+    };
+    drop(s(3))  //~ ERROR cannot use call notation
+}