RFR(S): 8209687: [lworld] C2 compilation crashes in AddPNode::Value

[Tobias Hartmann]

Hi,

please review the following patch:
https://bugs.openjdk.java.net/browse/JDK-8209687
http://cr.openjdk.java.net/~thartmann/8209687/webrev.00/

Parse::optimize_cmp_with_klass() needs to properly handle value types.

Thanks,
Tobias