1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/suggestions/use-type-argument-instead-of-assoc-type.rs b/src/test/ui/suggestions/use-type-argument-instead-of-assoc-type.rs
new file mode 100644
index 000000000..8b6e8cfd7
--- /dev/null
+++ b/src/test/ui/suggestions/use-type-argument-instead-of-assoc-type.rs
@@ -0,0 +1,13 @@
+pub trait T<X, Y> {
+    type A;
+    type B;
+    type C;
+}
+pub struct Foo {
+    i: Box<dyn T<usize, usize, usize, usize, B=usize>>,
+    //~^ ERROR must be specified
+    //~| ERROR this trait takes 2 generic arguments but 4 generic arguments were supplied
+}
+
+
+fn main() {}