[12] RFR(XS): 8215755: ZGC: split_barrier_thru_phi: check number of inputs of phi

[Per Liden]

Looks good!

/Per

On 2019-01-09 13:31, Nils Eliasson wrote:
> Hi,
> 
> This fix adds a check of number of inputs before a check of a specific 
> input.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8215755
> 
> Webrev: http://cr.openjdk.java.net/~neliasso/8215755
> 
> Please review,
> 
> Nils
> 
>