RFR(S): JDK-8024985 com/sun/jdi/StepTest.java failed since jdk8b107

[Staffan Larsen]

All,

Please review this fix for a JDI test. The problem and fix is described in the 
bug report.

bug: https://bugs.openjdk.java.net/browse/JDK-8024985
webrev: http://cr.openjdk.java.net/~sla/8024985/webrev.00/

Thanks,
/Staffan