VS2017 generates the following warning when linking jvm.dll

LINK : warning LNK4281: undesirable base address 0x8000000 for x64 image; set base address above 4GB for best ASLR optimization

According to:
https://developercommunity.visualstudio.com/content/problem/160970/upgrading-from-154-to-155-throw-lnk4281-warning.html
this is just a informational type warning that is now being generated for VS2017 version 15.5. It indicates that due to the use of -base set by JVM_LDFLAGS there is potential for ASLR missed optimization opportunity.

JVM_LDFLAGS can include a -ignore:4281 to have this warning supressed.