[clang-tools-extra] [clang-tidy] Enforce Unix line endings (PR #163650)

[Baranov Victor via cfe-commits]

https://github.com/vbvictor created https://github.com/llvm/llvm-project/pull/163650

With https://github.com/llvm/llvm-project/pull/161460 merged, we should also enforce it in CI (although nothing changed for current files)

>From 9e77e748b8ca170ad1c5ca986be855c0da2a8b03 Mon Sep 17 00:00:00 2001
From: Victor Baranov <bar.victor.2002 at gmail.com>
Date: Thu, 16 Oct 2025 01:23:41 +0300
Subject: [PATCH] [clang-tidy] Enforce Unix line endings

---
 clang-tools-extra/clang-tidy/.clang-format | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang-tools-extra/clang-tidy/.clang-format b/clang-tools-extra/clang-tidy/.clang-format
index d18cf7c108ca6..5b5066116bbaa 100644
--- a/clang-tools-extra/clang-tidy/.clang-format
+++ b/clang-tools-extra/clang-tidy/.clang-format
@@ -1,2 +1,3 @@
 BasedOnStyle: LLVM
 QualifierAlignment: Left
+LineEnding: LF