[gn build] Port 7eba4856c702

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 4d6eaf0..22c1ca6 100644 (file)
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -110,6 +110,7 @@ if (current_toolchain == default_toolchain) {
       "__ranges/empty_view.h",
       "__ranges/enable_borrowed_range.h",
       "__ranges/enable_view.h",
+      "__ranges/ref_view.h",
       "__ranges/size.h",
       "__ranges/subrange.h",
       "__ranges/view_interface.h",