--- swift/test/lit.cfg.orig	2026-05-11 06:18:21 UTC
+++ swift/test/lit.cfg
@@ -1854,6 +1854,7 @@ elif (run_os in ['linux-gnu', 'linux-gnueabihf', 'free
       config.target_cc_options = ""
     elif run_os == 'freebsd':
       lit_config.note("Testing FreeBSD " + config.variant_triple)
+      config.target_cxx_lib = "-lc++"
       config.target_object_format = "elf"
       config.target_shared_library_prefix = 'lib'
       config.target_shared_library_suffix = ".so"