RFR(S): fix System.arraycopy() C2 intrinsics with arrays of value types

[Tobias Hartmann]

Hi Roland,

On 13.12.2017 15:00, Roland Westrelin wrote:
> Not sure that one is safe:
> 
>> callGenerator.cpp
>> - line 442: You can use 't'
> as t could be __Value? I will apply all other suggestions but this one.

Right, better leave this one as it is.

Best regards,
Tobias