[aarch64-port-dev ] Rejected AArch64 jdk8u backports

[Nick Gasson]

>
> 8237512: AArch64: aarch64TestHook leaks a BufferBlob
>
> Only gets triggered in debug builds. Not important for 8u.
>

I think the leak is still there in release builds: the BufferBlob is
allocated in aarch64TestHook() which is called from
ICache::initialize(). That then calls into entry() in
assembler_aarch64.cpp which does nothing if ASSERT is not defined.

--
Thanks,
Nick