LIBC {
  global:
    /* Work-around for http://b/20065774. */
    __clear_cache;
    _Unwind_Backtrace;
    _Unwind_GetIP;
  local:
    _ZSt7nothrow;
    _ZdaPv;
    _ZdaPvRKSt9nothrow_t;
    _ZdlPv;
    _ZdlPvRKSt9nothrow_t;
    _Znaj;
    _ZnajRKSt9nothrow_t;
    _Znwj;
    _ZnwjRKSt9nothrow_t;
};