From c7d5e40f7e2ea739c27a652ad6c9d990852500af Mon Sep 17 00:00:00 2001
From: Yuki Okushi <jtitor@2k36.org>
Date: Tue, 10 May 2022 20:52:01 +0900
Subject: [PATCH] Add regression test for #68408

---
 .../dead-code/issue-68408-false-positive.rs   | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/test/ui/lint/dead-code/issue-68408-false-positive.rs

diff --git a/src/test/ui/lint/dead-code/issue-68408-false-positive.rs b/src/test/ui/lint/dead-code/issue-68408-false-positive.rs
new file mode 100644
index 0000000000000..7ee6b5d72889f
--- /dev/null
+++ b/src/test/ui/lint/dead-code/issue-68408-false-positive.rs
@@ -0,0 +1,22 @@
+// check-pass
+
+// Make sure we don't have any false positives here.
+
+#![deny(dead_code)]
+
+enum X {
+    A { _a: () },
+    B { _b: () },
+}
+impl X {
+    fn a() -> X {
+        X::A { _a: () }
+    }
+    fn b() -> Self {
+        Self::B { _b: () }
+    }
+}
+
+fn main() {
+    let (_, _) = (X::a(), X::b());
+}