diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 439ef44425dd..d39a26ef0f40 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -163,12 +163,32 @@ if (current_toolchain == default_toolchain) {
       "__format/format_error.h",
       "__format/format_parse_context.h",
       "__function_like.h",
+      "__functional/binary_function.h",
+      "__functional/binary_negate.h",
+      "__functional/bind.h",
+      "__functional/bind_front.h",
+      "__functional/binder1st.h",
+      "__functional/binder2nd.h",
+      "__functional/default_searcher.h",
+      "__functional/function.h",
       "__functional/hash.h",
+      "__functional/identity.h",
+      "__functional/invoke.h",
+      "__functional/is_transparent.h",
+      "__functional/mem_fn.h",
+      "__functional/mem_fun_ref.h",
+      "__functional/not_fn.h",
+      "__functional/operations.h",
+      "__functional/perfect_forward.h",
+      "__functional/pointer_to_binary_function.h",
+      "__functional/pointer_to_unary_function.h",
+      "__functional/ranges_operations.h",
+      "__functional/reference_wrapper.h",
       "__functional/unary_function.h",
+      "__functional/unary_negate.h",
       "__functional/unwrap_ref.h",
-      "__functional_03",
+      "__functional/weak_result_type.h",
       "__functional_base",
-      "__functional_base_03",
       "__hash_table",
       "__iterator/advance.h",
       "__iterator/back_insert_iterator.h",
@@ -197,6 +217,7 @@ if (current_toolchain == default_toolchain) {
       "__memory/addressof.h",
       "__memory/allocation_guard.h",
       "__memory/allocator.h",
+      "__memory/allocator_arg_t.h",
       "__memory/allocator_traits.h",
       "__memory/auto_ptr.h",
       "__memory/compressed_pair.h",
@@ -208,6 +229,7 @@ if (current_toolchain == default_toolchain) {
       "__memory/temporary_buffer.h",
       "__memory/uninitialized_algorithms.h",
       "__memory/unique_ptr.h",
+      "__memory/uses_allocator.h",
       "__mutex_base",
       "__node_handle",
       "__nullptr",