[llvm] [bazel] Add filegroup for builtin_headers (PR #67757)

[David Zbarsky via llvm-commits]

https://github.com/dzbarsky updated https://github.com/llvm/llvm-project/pull/67757

>From cea08b0c67372e40d1da98b9d7678e6756c54b46 Mon Sep 17 00:00:00 2001
From: David Zbarsky <dzbarsky at gmail.com>
Date: Fri, 23 Jan 2026 08:01:22 -0500
Subject: [PATCH] [bazel] Add filegroup for builtin_headers

---
 utils/bazel/llvm-project-overlay/clang/BUILD.bazel | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
index b9f022207da65..d6d77438a63be 100644
--- a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
@@ -1694,6 +1694,11 @@ builtin_headers = glob(
     "lib/Headers/riscv_vector.h",
 ]
 
+filegroup(
+    name = "builtin_headers_files",
+    srcs = builtin_headers,
+)
+
 genrule(
     name = "builtin_headers_gen",
     srcs = builtin_headers,