[aarch64-port-dev ] RFR: GensrcMisc.gmk linker issue on windows

[Michal Vala]

> Have you tested that reverting this to the upstream jdk8u version doesn't break aarch64?
>
> I did a comparison of upstream jdk8u121-b14 with the current state of aarch64/jdk8u (attached)
> and all other changes do seem to be necessary for aarch64 (the test issue is a merge issue
> already resolved in the main jdk8u tree, but not jdk8u121-b14).
>

Haven't tried on aarch64, but I'll do.

-- 
-Michal