RFR (S) JDK-8025570: Naked oop in test/servicability/ParserTest

[Lois Foltan]

Please review the following fix:

Webrev:
     http://cr.openjdk.java.net/~coleenp/bug_jdk8025570/

Bug: Naked oop in test/servicability/ParserTest
     https://bugs.openjdk.java.net/browse/JDK-8025570

Summary of fix:
     First reported by Coleen Phillimore and uncovered as well during 
testing of -XX:+CheckUnhandledOops
     support on all platforms. WB_ParseCommandLine() contained two naked 
objArrayOop(s) causing test
     failure.

Tests:
     Testing with -XX:+CheckUnhandledOops specified:
         JTREG on Linux
         vm.quick.testlist on MacOS

Thank you, Lois