From 0dfce025c4109b3112a58ee09b71183f178eb751 Mon Sep 17 00:00:00 2001
From: LLVM GN Syncbot <llvmgnsyncbot@gmail.com>
Date: Wed, 18 Aug 2021 14:02:48 +0000
Subject: [PATCH] [gn build] Port 38812f4ac122

---
 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 ccc7be9d192a..e1629b5db70b 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -160,6 +160,7 @@ if (current_toolchain == default_toolchain) {
       "__bsd_locale_defaults.h",
       "__bsd_locale_fallbacks.h",
       "__compare/common_comparison_category.h",
+      "__compare/compare_three_way_result.h",
       "__compare/ordering.h",
       "__concepts/arithmetic.h",
       "__concepts/assignable.h",