From e860f8e68339bc7e9fd2d80b73ce5416c21e8765 Mon Sep 17 00:00:00 2001
From: Nikita Popov <npopov@redhat.com>
Date: Thu, 9 Dec 2021 14:04:15 +0100
Subject: [PATCH] Add test for issue #91490

---
 src/test/codegen/merge-functions.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/test/codegen/merge-functions.rs

diff --git a/src/test/codegen/merge-functions.rs b/src/test/codegen/merge-functions.rs
new file mode 100644
index 0000000000000..5eefc0f98f1fe
--- /dev/null
+++ b/src/test/codegen/merge-functions.rs
@@ -0,0 +1,14 @@
+// compile-flags: -O
+#![crate_type = "lib"]
+
+// CHECK: @func2 = {{.*}}alias{{.*}}@func1
+
+#[no_mangle]
+pub fn func1(c: char) -> bool {
+    c == 's' || c == 'm' || c == 'h' || c == 'd' || c == 'w'
+}
+
+#[no_mangle]
+pub fn func2(c: char) -> bool {
+    matches!(c, 's' | 'm' | 'h' | 'd' | 'w')
+}