[gn build] Port 6a1ac88f

llvm/utils/gn/secondary/libcxx/include/BUILD.gn

@@ -77,6 +77,7 @@ if (current_toolchain == default_toolchain) {
       "__memory/auto_ptr.h",
       "__memory/base.h",
       "__memory/pointer_traits.h",
+      "__memory/temporary_buffer.h",
       "__memory/utilities.h",
       "__mutex_base",
       "__node_handle",