Do not reparse token tree when it is not delimited by braces

1 files changed, 5 insertions, 0 deletions

diff --git a/crates/libsyntax2/tests/test/main.rs b/crates/libsyntax2/tests/test/main.rs
index 24058efa9..644df9f3c 100644
--- a/crates/libsyntax2/tests/test/main.rs
+++ b/crates/libsyntax2/tests/test/main.rs
@@ -85,6 +85,11 @@ pub enum A {
 foo!{a, b<|><|> d}
 ", ", c[3]");
     do_check(r"
+fn foo() {
+    vec![<|><|>]
+}
+", "123");
+    do_check(r"
 extern {
     fn<|>;<|>
 }