RFR (XS): 8145707: 4 Null pointer dereference defect groups in compileBroker.cpp

[Rahul Raghavan]

Hi,

Please review following patch proposal to avoid possible null pointer dereference warnings / errors for internal tests.

webrev: http://cr.openjdk.java.net/~thartmann/8145707/webrev.02/

Confirmed no issues with jprt run (-testset hotspot).

Thanks,
Rahul