From adae6aa8520feb6abfcb7c0080a1d2845f701295 Mon Sep 17 00:00:00 2001
From: Greg Morenz <greg-morenz@droid.cafe>
Date: Fri, 21 Nov 2025 14:10:35 -0500
Subject: [PATCH] Add test for nfc-normalization of idents

---
 tests/ui/lexer/ident_normalization.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/ui/lexer/ident_normalization.rs

diff --git a/tests/ui/lexer/ident_normalization.rs b/tests/ui/lexer/ident_normalization.rs
new file mode 100644
index 000000000000..a16c52171106
--- /dev/null
+++ b/tests/ui/lexer/ident_normalization.rs
@@ -0,0 +1,20 @@
+//@check-pass
+//@edition:2021
+
+#![allow(non_snake_case)]
+
+// Tests that identifiers are NFC-normalized as per
+// https://rust-lang.github.io/rfcs/2457-non-ascii-idents.html
+
+// Note that in the first argument of each function `K` is LATIN CAPITAL LETTER K
+// and in the second it is K (KELVIN SIGN).
+
+fn ident_nfc<K>(_p1: K, _p2: K) {}
+
+fn raw_ident_nfc<K>(_p1: r#K, _p2: r#K) {}
+
+fn lifetime_nfc<'K>(_p1: &'K str, _p2: &'K str) {}
+
+fn raw_lifetime_nfc<'K>(_p1: &'r#K str, _p2: &'r#K str) {}
+
+fn main() {}