RFR(XS): 8080699: Assert failed: Not a Java pointer in JCK test

[Vladimir Kozlov]

Should it also return false if in(ArrayCopyNode::Src)->is_top()?

thanks,
Vladimir

On 5/20/15 7:03 AM, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/8080699/webrev.00/
>
> When an arraycopy node is eliminated (for a non escaping allocation), its control, src and dest arguments are set to top and it is no longer connected to the rest of the graph through its fall through outputs. It’s not entirely removed from the graph until the next igvn though, and it can be reached through its exception processing outputs. That’s what happens here and ArrayCopyNode::may_modify() assumes dest, that is top, is an oop.
>
> Roland.
>