[Bug c++/69621] extern std::string used as reference template-argument does not have [abi:cxx11] tag applied

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69621

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Here is a reduced testcase:
inline namespace [[gnu::abi_tag("mytag")]] a {
  class string{};
}

template<string&> struct S { static void f(); };
extern string s;
void g() { S<s>::f(); }