ref: 8bc69a872883224675a55db51ac8f60ab5ed9e5a
dir: /third_party/boringssl/src/util/ar/testdata/sample/bar.cc/
extern "C" { void foo(); void bar() {} } namespace bar_namespace { void SomeExternalFunction(); void SomeFunction() { foo(); SomeExternalFunction(); } } // namespace bar_namespace