RFR(XS): 8025562: [parfait] warnings from b13 for hotspot.src.share.vm.opto: null pointer dereference

[Morris Meyer]

Folks,

Could I get a review for this parfait issue in memory allocation? It has 
been through JPRT.

Thanks in advance,

         --morris meyer

WEBREV - http://cr.openjdk.java.net/~morris/8025562.01
JBS - https://jbs.oracle.com/bugs/browser/JDK-8025562