RFR(XXS): 8161651: Logic in ConnectionGraph::split_unique_types() wrongly assumes node always have memory input

[Vladimir Kozlov]

Looks good. Thank you for fixing it.

Vladimir

On 7/19/16 12:22 AM, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/8161651/webrev.00/
>
> There's a small bug in ConnectionGraph::split_unique_types() where edge
> MemNode::Memory of a node is being accessed even if it's not guaranteed
> to exist. It's harmless so far because the access always falls withing
> bounds but it's not guaranteed to stay that way with future code change.
>
> Roland.
>