[11u] RFR: 8248845: AArch64: stack corruption after spilling vector register

[Nick Gasson]

Hi,

Is anyone able to sponsor this backport for me?

Bug: https://bugs.openjdk.java.net/browse/JDK-8248845
Original change: https://hg.openjdk.java.net/jdk/jdk15/rev/d5be95758352
Review thread: https://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2020-July/038886.html

The patch does not apply cleanly on 11u as the ScheduleAndBundle
function has been moved and renamed. I've prepared another webrev that
applies on 11u:

http://cr.openjdk.java.net/~ngasson/8248845/webrev.11u.0/

Tested tier1 on AArch64.

--
Thanks,
Nick