RFR(XS): 8161907: adlc: Fix crash in cisc_spill_match if _rChild == NULL"

[Vladimir Kozlov]

Looks good.

Thanks,
Vladimir

On 7/20/16 3:39 AM, Lindenmaier, Goetz wrote:
> Hi,
>
>
>
> Please review and sponsor this tiny, rather obvious change:
>
> http://cr.openjdk.java.net/~goetz/wr16/8161907-adlc/
>
>
>
> _rChild is never checked for NULL, but it is dereferenced.
>
> We have a rule that causes a crash here.
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>
>
> Best regards,
>
>   Goetz.
>
>
>