1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/generics/generic-non-trailing-defaults.rs b/tests/ui/generics/generic-non-trailing-defaults.rs
new file mode 100644
index 000000000..16ea71d48
--- /dev/null
+++ b/tests/ui/generics/generic-non-trailing-defaults.rs
@@ -0,0 +1,10 @@
+struct Heap;
+
+struct Vec<A = Heap, T>(A, T);
+//~^ ERROR generic parameters with a default must be trailing
+
+struct Foo<A, B = Vec<C>, C>(A, B, C);
+//~^ ERROR generic parameters with a default must be trailing
+//~| ERROR generic parameters with a default cannot use
+
+fn main() {}