1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/generics/generic-type-less-params-with-defaults.rs b/src/test/ui/generics/generic-type-less-params-with-defaults.rs
new file mode 100644
index 000000000..6b877ab8a
--- /dev/null
+++ b/src/test/ui/generics/generic-type-less-params-with-defaults.rs
@@ -0,0 +1,11 @@
+use std::marker;
+
+struct Heap;
+
+struct Vec<T, A = Heap>(
+    marker::PhantomData<(T,A)>);
+
+fn main() {
+    let _: Vec;
+    //~^ ERROR missing generics for struct `Vec`
+}