RFR: 8224211:[lworld] Reflective method invocation fails with assert(sender_sp != sp()) failed: must have changed

[Roland Westrelin]

One more tweak:

http://cr.openjdk.java.net/~roland/8224211/webrev.02/

Call result->set_jobject() right before the call itself. There could be
a gc between the allocation and the call that would not update the
result JavaValue.

Roland.