From 4a8b52b53de640022a7eca0dbcefa61802cf63b0 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Wed, 21 Oct 2020 12:43:01 -0400
Subject: [PATCH] [gn build] (manually) port 54fa9ecd3088

---
 llvm/utils/gn/secondary/libcxx/include/BUILD.gn | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index e30622f..bf1da70 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -80,6 +80,7 @@ copy("include") {
     "any",
     "array",
     "atomic",
+    "barrier",
     "bit",
     "bitset",
     "cassert",
@@ -157,6 +158,7 @@ copy("include") {
     "iostream",
     "istream",
     "iterator",
+    "latch",
     "limits",
     "limits.h",
     "list",
@@ -176,6 +178,7 @@ copy("include") {
     "ratio",
     "regex",
     "scoped_allocator",
+    "semaphore",
     "set",
     "setjmp.h",
     "shared_mutex",
-- 
2.7.4