[aarch64-port-dev ] 8u backport: 8155015: Aarch64: bad assert in spill generation code

[Roland Westrelin]

I'd like to backport 8155015 that I just pushed to 9:

http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/9fca65b0a9a1

Can I go ahead?

Roland.