From e61917ce2dc71573248f5de54c5e1628d96648fc Mon Sep 17 00:00:00 2001
From: LLVM GN Syncbot <llvmgnsyncbot@gmail.com>
Date: Wed, 2 Jun 2021 01:47:33 +0000
Subject: [PATCH] [gn build] Port 924ea3bb53ca

---
 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 75627508eb18..a6e091a973d1 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -59,6 +59,7 @@ if (current_toolchain == default_toolchain) {
 
   copy("copy_headers") {
     sources = [
+      "__algorithm/unwrap_iter.h",
       "__availability",
       "__bit_reference",
       "__bits",