[Bug c++/102988] ice during GIMPLE pass: hardcbr

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102988

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
Reduced C++ code is:

inline namespace __cxx11 {}
template <typename _Tp> _Tp *__addressof(_Tp);
namespace __cxx11 {
class basic_string {
  void _M_set_length();

public:
  ~basic_string();
  void operator=(basic_string __str) {
    if (this != __addressof(__str))
      _M_set_length();
  }
};
} // namespace __cxx11
class vector {
public:
  basic_string operator[](long);
};
class PersistException {};
class PersistEngine {
  const basic_string readClass() throw(PersistException);
  vector myClassVector;
};
const basic_string PersistEngine::readClass() throw(PersistException) {
  basic_string className;
  className = myClassVector[0];
  return className;
}