[9] RFR(S) 8171807: 8170761 fix should be applied to ARM code after 8168503

[Vladimir Kozlov]

https://bugs.openjdk.java.net/browse/JDK-8171807

http://cr.openjdk.java.net/~kvn/8171807/webrev/

8168503: JEP 297: Unified arm32/arm64 Port moved closed code into open. 
It was pushed into jdk9/dev.

At the same time closed changes for 8170761 were pushed into jdk9/hs. 
After 8168503 changes merged into jdk9/hs closed changes for 8170761 
were not applied to simplify the merge.

8170761 closed changes should be applied to now open ARM code.

Note, 8170761 fixed warnings produced by code analysis tool.

Thanks,
Vladimir