1 files changed, 35 insertions, 0 deletions

diff --git a/tests/ui/parser/issues/issue-20616-4.rs b/tests/ui/parser/issues/issue-20616-4.rs
new file mode 100644
index 000000000..a71f47ca4
--- /dev/null
+++ b/tests/ui/parser/issues/issue-20616-4.rs
@@ -0,0 +1,35 @@
+// We need all these 9 issue-20616-N.rs files
+// because we can only catch one parsing error at a time
+
+type Type_1_<'a, T> = &'a T;
+
+
+//type Type_1<'a T> = &'a T; // error: expected `,` or `>` after lifetime name, found `T`
+
+
+//type Type_2 = Type_1_<'static ()>; // error: expected `,` or `>` after lifetime name, found `(`
+
+
+//type Type_3<T> = Box<T,,>; // error: expected type, found `,`
+
+
+type Type_4<T> = Type_1_<'static,, T>;
+//~^ error: expected one of `>`, a const expression, lifetime, or type, found `,`
+
+
+type Type_5_<'a> = Type_1_<'a, ()>;
+
+
+//type Type_5<'a> = Type_1_<'a, (),,>; // error: expected type, found `,`
+
+
+//type Type_6 = Type_5_<'a,,>; // error: expected type, found `,`
+
+
+//type Type_7 = Box<(),,>; // error: expected type, found `,`
+
+
+//type Type_8<'a,,> = &'a (); // error: expected ident, found `,`
+
+
+//type Type_9<T,,> = Box<T>; // error: expected ident, found `,`