From 269d0e223aee440f84292560ee6d96b3cad87bfa Mon Sep 17 00:00:00 2001
From: LLVM GN Syncbot <llvmgnsyncbot@gmail.com>
Date: Tue, 12 Oct 2021 10:50:41 +0000
Subject: [PATCH] [gn build] Port f4c1258d5633

---
 llvm/utils/gn/secondary/libcxx/include/BUILD.gn | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 44e6f32..3768bce 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -270,6 +270,7 @@ if (current_toolchain == default_toolchain) {
       "__iterator/wrap_iter.h",
       "__libcpp_version",
       "__locale",
+      "__mbstate_t.h",
       "__memory/addressof.h",
       "__memory/allocation_guard.h",
       "__memory/allocator.h",
-- 
2.7.4