src/hotspot/share/oops/cpCache.cpp

*** 157,167 ****
    // updated it and we don't want to overwrite that value.  Don't
    // bother trying to update it once it's nonzero but always make
    // sure that the final parameter size agrees with what was passed.
    if (_flags == 0) {
      intx newflags = (value & parameter_size_mask);
!     Atomic::cmpxchg(newflags, &_flags, (intx)0);
    }
    guarantee(parameter_size() == value,
              "size must not change: parameter_size=%d, value=%d", parameter_size(), value);
  }
  
--- 157,167 ----
    // updated it and we don't want to overwrite that value.  Don't
    // bother trying to update it once it's nonzero but always make
    // sure that the final parameter size agrees with what was passed.
    if (_flags == 0) {
      intx newflags = (value & parameter_size_mask);
!     Atomic::cmpxchg(&_flags, (intx)0, newflags);
    }
    guarantee(parameter_size() == value,
              "size must not change: parameter_size=%d, value=%d", parameter_size(), value);
  }