add a jointness parser tests

cc https://github.com/rust-lang/rust/issues/64242

1 files changed, 5 insertions, 0 deletions

diff --git a/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rs b/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rs
new file mode 100644
index 000000000..cd204f65e
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rs
@@ -0,0 +1,5 @@
+type X = ();
+
+fn main() {
+    let ():::X = ();
+}