[llvm] [gn build] Port 3a7c0eba9bf8 (PR #197056)

[Nico Weber via llvm-commits]

https://github.com/nico created https://github.com/llvm/llvm-project/pull/197056

None

>From 76ef5a518026155dcef462c869b2e8fe5c05cb10 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis at chromium.org>
Date: Mon, 11 May 2026 19:01:24 -0400
Subject: [PATCH] [gn build] Port 3a7c0eba9bf8

---
 llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
index 9b02e64161ba2..f1d7b37ae6d88 100644
--- a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
@@ -173,6 +173,7 @@ copy("Headers") {
     "amxmovrsintrin.h",
     "amxtf32intrin.h",
     "andes_vector.h",
+    "arm64_neon.h",
     "arm64intr.h",
     "arm_acle.h",
     "arm_cmse.h",