*** old/src/share/vm/jvmci/jvmciRuntime.cpp	Thu Mar 10 16:05:12 2016
--- new/src/share/vm/jvmci/jvmciRuntime.cpp	Thu Mar 10 16:05:12 2016

*** 102,111 ****
--- 102,112 ----
  }
  
  JRT_BLOCK_ENTRY(void, JVMCIRuntime::new_instance(JavaThread* thread, Klass* klass))
    JRT_BLOCK;
    assert(klass->is_klass(), "not a class");
+   Handle holder(THREAD, klass->klass_holder()); // keep the klass alive
    instanceKlassHandle h(thread, klass);
    h->check_valid_for_instantiation(true, CHECK);
    // make sure klass is initialized
    h->initialize(CHECK);
    // allocate instance and return via TLS

*** 127,136 ****
--- 128,138 ----
    oop obj;
    if (array_klass->is_typeArray_klass()) {
      BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type();
      obj = oopFactory::new_typeArray(elt_type, length, CHECK);
    } else {
+     Handle holder(THREAD, array_klass->klass_holder()); // keep the klass alive
      Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
      obj = oopFactory::new_objArray(elem_klass, length, CHECK);
    }
    thread->set_vm_result(obj);
    // This is pretty rare but this runtime patch is stressful to deoptimization

*** 170,179 ****
--- 172,182 ----
  }
  
  JRT_ENTRY(void, JVMCIRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims))
    assert(klass->is_klass(), "not a class");
    assert(rank >= 1, "rank must be nonzero");
+   Handle holder(THREAD, klass->klass_holder()); // keep the klass alive
    oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
    thread->set_vm_result(obj);
  JRT_END
  
  JRT_ENTRY(void, JVMCIRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length))