RFR (S) 8149459: StringConcatFactory should be synced up with LambdaMetafactory

[Paul Sandoz]

> On 10 Feb 2016, at 13:51, Aleksey Shipilev <aleksey.shipilev at oracle.com> wrote:
> 
> See new webrev that adds a few more tests:
> http://cr.openjdk.java.net/~shade/8149459/webrev.02/
> 

+1

Paul.