[gn build] Port 924ea3bb53ca

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 7562750..a6e091a 100644 (file)
--- 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",