1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/traits/vtable-res-trait-param.rs b/src/test/ui/traits/vtable-res-trait-param.rs
new file mode 100644
index 000000000..3d7c2eb08
--- /dev/null
+++ b/src/test/ui/traits/vtable-res-trait-param.rs
@@ -0,0 +1,23 @@
+trait TraitA {
+    fn method_a(&self) -> isize;
+}
+
+trait TraitB {
+    fn gimme_an_a<A:TraitA>(&self, a: A) -> isize;
+}
+
+impl TraitB for isize {
+    fn gimme_an_a<A:TraitA>(&self, a: A) -> isize {
+        a.method_a() + *self
+    }
+}
+
+fn call_it<B:TraitB>(b: B)  -> isize {
+    let y = 4;
+    b.gimme_an_a(y) //~ ERROR `{integer}: TraitA` is not satisfied
+}
+
+fn main() {
+    let x = 3;
+    assert_eq!(call_it(x), 22);
+}