RFR: JDK-8224028: loop initial declarations introduced by JDK-8184770

[Ao Qi]

Hi,

I found build is failed on CentOS 7.6, because of loop initial
declarations. Could I please get reviews for this?

Bug:
https://bugs.openjdk.java.net/browse/JDK-8224028

Webrev:
http://cr.openjdk.java.net/~aoqi/8224028/webrev.00/

Tested:
linux-x86_64-server-release tier1

Thanks,
Ao Qi