RFR (S): 8144714 Add extension point to G1 evacuation closures

[Kim Barrett]

On Dec 4, 2015, at 12:42 PM, Jon Masamitsu <jon.masamitsu at oracle.com> wrote:
> 
> http://cr.openjdk.java.net/~mgerdin/8144714/webrev.0/src/share/vm/gc/g1/g1ParScanThreadState_ext.cpp.frames.html
> 
> Lines 39 and 40 not particularly useful?
> 
> 37 template void G1ParScanThreadState::do_oop_ext<oop>(oop* ref);
> 38 template void G1ParScanThreadState::do_oop_ext<narrowOop>(narrowOop* ref);
> 39
> 40

These are explicit instantiations of the immediately preceding definition.