src/share/vm/ci/ciEnv.cpp

*** 411,420 ****
--- 411,421 ----
    } else {
      fail_type = _unloaded_ciinstance_klass;
    }
    KlassHandle found_klass;
    {
+     ttyUnlocker ttyul;  // release tty lock to avoid ordering problems
      MutexLocker ml(Compile_lock);
      klassOop kls;
      if (!require_local) {
        kls = SystemDictionary::find_constrained_instance_or_array_klass(sym, loader,
                                                                         KILL_COMPILE_ON_FATAL_(fail_type));