[PING] RFR(s): 8176894 Provide specialized implementation for default methods putIfAbsent, computeIfAbsent, computeIfPresent, compute, merge in TreeMap

[Florian Weimer]

* Thomas Stüfe:

> Hi Tagir,
>
> nice work. Only a partwise review for TreeMap.java, did not yet look at the
> tests.
>
> remapValue:
>
>  711         } else {
>  712             // replace old mapping
>  713             t.value = newValue;
>  714             return newValue;
>  715         }
>
> Should we increase the modification count here?

It's not a structural modification, is it?  Only structural
modifications increase the modification count, as far as I can see.