Method template visibility ignored on explicit template instantiations (original) (raw)

Extended Description

% cat vis.cpp
template <class T> struct s {
  template <class U>
  __attribute__((__visibility__("hidden"))) U should_not_be_exported();
};

template <class T> template <class U> U s<T>::should_not_be_exported() {
  return U();
}

extern template struct __attribute__((__visibility__("default"))) s<int>;

int f() {
  s<int> o;
  return o.should_not_be_exported<int>();
}

% g++ -std=c++11 -fvisibility=hidden -fvisibility-inlines-hidden -shared -fPIC -o libvis.so vis.cpp &&
    nm -g --defined-only libvis.so | grep should_not_be_exported

% clang++ -std=c++11 -fvisibility=hidden -fvisibility-inlines-hidden -shared -fPIC -o libvis.so vis.cpp &&
    nm -g --defined-only libvis.so | grep should_not_be_exported
00000000000006b0 W _ZN1sIiE22should_not_be_exportedIiEET_v