1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/missing_lifetime_args.rs b/src/test/ui/generic-associated-types/missing_lifetime_args.rs
new file mode 100644
index 000000000..cd918157f
--- /dev/null
+++ b/src/test/ui/generic-associated-types/missing_lifetime_args.rs
@@ -0,0 +1,22 @@
+#![feature(generic_associated_types)]
+
+trait X {
+    type Y<'a, 'b>;
+}
+
+struct Foo<'a, 'b, 'c> {
+    a: &'a u32,
+    b: &'b str,
+    c: &'c str,
+}
+
+fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {}
+//~^ ERROR missing generics for associated type
+
+fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {}
+//~^ ERROR this struct takes 3 lifetime arguments but 2 lifetime
+
+fn f<'a>(_arg: Foo<'a>) {}
+//~^ ERROR this struct takes 3 lifetime arguments but 1 lifetime
+
+fn main() {}