RFR: 8231567: minimal build failed after JDK-8226690

[Jie Fu]

Thanks Aleksey.

On 2019/9/27 下午4:54, Aleksey Shipilev wrote:
> On 9/27/19 10:26 AM, Jie Fu wrote:
>> JBS:    https://bugs.openjdk.java.net/browse/JDK-8231567
>> Webrev: http://cr.openjdk.java.net/~jiefu/8231567/webrev.01/
> Looks fine, as it matches what has_redefined_a_class() already does. The current uses of
> JvmtiExport::redefinition_count() seem innocuous to handle 0.
>