RFR 8200118: [test] String concat tests should test toString() application order

[Paul Sandoz]

Test looks good, but do you need to declare the source/target for compilation?

Paul.

> On Mar 22, 2018, at 10:56 AM, Aleksey Shipilev <shade at redhat.com> wrote:
> 
> Bug:
>  https://bugs.openjdk.java.net/browse/JDK-8200118
> 
> Webrev:
>  http://cr.openjdk.java.net/~shade/8200118/webrev.01/
> 
> This adds the relevant test to StringConcat family of tests, which asserts all strategies do the
> right thing. There was a bug in MH_* strategies caused by the already fixed bug in filterArguments
> [1], which this test was supposed to find, if existed before.
> 
> Testing: run-test with jdk/jdk, run-test before/after filterArguments fix in jdk-updates/jdk10u
> 
> Thanks,
> -Aleksey
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8194554
>