1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/feature-gates/feature-gate-default_type_parameter_fallback.rs b/src/test/ui/feature-gates/feature-gate-default_type_parameter_fallback.rs
new file mode 100644
index 000000000..33038e24b
--- /dev/null
+++ b/src/test/ui/feature-gates/feature-gate-default_type_parameter_fallback.rs
@@ -0,0 +1,12 @@
+#![allow(unused)]
+
+fn avg<T=i32>(_: T) {}
+//~^ ERROR defaults for type parameters are only allowed
+//~| WARN this was previously accepted
+
+struct S<T>(T);
+impl<T=i32> S<T> {}
+//~^ ERROR defaults for type parameters are only allowed
+//~| WARN this was previously accepted
+
+fn main() {}