From 0a0e22235b7ad222be1aaa7765b580f4096c9aeb Mon Sep 17 00:00:00 2001
From: Kevin Mehall <km@kevinmehall.net>
Date: Sat, 20 Mar 2021 12:18:57 -0600
Subject: Make bare underscore token an Ident rather than Punct in proc-macro

---
 crates/mbe/src/tests/expand.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'crates/mbe/src/tests')

diff --git a/crates/mbe/src/tests/expand.rs b/crates/mbe/src/tests/expand.rs
index 9dd8ff75b..2cce62781 100644
--- a/crates/mbe/src/tests/expand.rs
+++ b/crates/mbe/src/tests/expand.rs
@@ -1079,6 +1079,12 @@ macro_rules! q {
     .assert_expand_items(r#"q![_]"#, r#"0"#);
 }
 
+#[test]
+fn test_underscore_lifetime() {
+    parse_macro(r#"macro_rules! q { ($a:lifetime) => {0}; }"#)
+        .assert_expand_items(r#"q!['_]"#, r#"0"#);
+}
+
 #[test]
 fn test_vertical_bar_with_pat() {
     parse_macro(
-- 
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